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2023-09-12 Fujifilm GFX100 II: Many Improvements Even for Still Photography

2023-08-24 Fujifilm GFX100S: IBIS Screwups can Also Destroy a Focus BKT Series

2023-08-18 Fujifilm GFX100S: Severe Blurring from IBIS

2023-08-03 Nikon NIKKOR Z 70-20mm f/2.8S Aperture Series @ 200mm: Snow Field + Overflowing Creek (Z8)

2023-05-24 New! Leica Q3 with the Same Extreme-Barrel-Distortion Lens

2022-10-26 Sony Debuts AI Technology in Sony A7R V

2022-09-07 Announced: Hasselblad X2D-100C with 100 Megapixel Sensor, IBIS, Phase-Detect AF

2022-02-17 Fujifilm GFX100S: Which Mid-Range Lenses?

2022-02-11 Compact, Enjoyable Medium Format that Might Surprise and Delight — Fujifilm GFX-50R just $2999

2021-12-12 Interest in Nikon Z9 and the Newer Nikon NIKKOR Z Lenses? (UPDATED with reader comments)

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2019-01-06 OWC Unveils the Mercury Helios FX 650 eGPU for Massive Gaming, VR and Professional Graphics Processing Power

2018-03-06 Just Arrived: Lightweight Autobahn VR Front Wheel with Ceramic Speed Bearings, Schwarz Edition

2014-07-25 Truck Runs Me Off the Road on Old La Honda, Autobahn VR Damage

2014-03-30 Lightweight Autobahn VR Riding 1000 Miles Later: My All-Time Favorite Wheel

2014-03-30 Lightweight Autobahn VR Riding Notes

2014-03-06 Lightweight Autobahn VR Riding Impressions: Is it Faster?

2014-03-06 Lightweight Autobahn VR Aerodynamic Performance

2014-02-26 Lightweight Autobahn VR Carbon Fiber 8-Spoke Front Wheel

2014-02-20 Lightweight Autobahn VR on Moots Vamoots RSL

2014-02-14 Lightweight Autobahn VR 8-Spoke Carbon Fiber Front Wheel

2013-07-25 Coming for Review: Lightweight Autobahn 8-Spoke Time Trial Wheel

2012-11-04 In Praise of Lightweight (brand) Wheels

2012-03-31 A Lightweight Standard Rear Wheel

2012-01-24 Lightweight VR8 Aero Front Wheel Makes a Great Ride Every Day

2011-12-03 Look 695 SR with the Lightweight VR8 8-Spoke Time Trial Wheel

Sharpness and Blur by Optics

Blur from optical behavior or subject-related issue..

1. Blur Caused by Lens Optics

Blur from Camera or Support

Sharpness loss by camera or support or technique..

1. Blur Caused by Image Stabilization

Understanding Modulation Transfer Function (MTF)

Understanding resolution and contrast graphs..

1. Nikon MTF Examples

Research — Handheld Shooting

Research into sharpness of handheld images with and without image stabilization.

1. Handheld Sharpness
2. Comparing VR “Active” and VR “Normal”
3. Handheld vs. VR Shootout
4. Handheld vs. VR Shootout — Images

Research — Tripods and Camera Technique

Stability of tripods and ballheads, controlling camera vibration, selecting equipment..

1. Mirror lockup vs Exposure Delay, focal length
2. Sharpness on Light/Medium/Heavy Tripods
3. Sharpness with Mirror Lockup, Exposure Delay, VR
4. Shooting Technique: Steadying the Lens
5. Tripod Collars: Wimpy or Strong

Cameras and Examples

Infrared camera choices with examples.

1. Examples: Nikon D70–IR

Shooting Considerations

All about shooting in infrared..

1. Autofocus

Nikon Lenses vs Infrared

How Nikon-compatible lenses perform for infrared use..

1. Nikon 200mm f/2G ED-IF AF-S VR

Panasonic S1R

High-resolution L-mount full-frame from Panasonic..

1. Overview of Panasonic S1R

Panasonic Lumix S 24-105mm f/4 Macro OIS

All-arounder entry-level mid-range zoom for L-Mount..

1. Overview of Panasonic Lumix S 24-105mm f/4 Macro OIS
2. Optical Distortion Across the Zoom Range, with/without Distortion Correction
3. Aperture Series @ 24mm: Mosaic
4. Aperture Series @ 35mm: Mosaic
5. Aperture Series @ 71mm: Mosaic

Panasonic Lumix S PRO 70-200mm f/2.8 OIS

Fast image-stabilized telephoto zoom for L-Mount..

1. Overview of Panasonic Lumix S PRO 70-200mm f/2.8 OIS

Panasonic Lumix S PRO 70-200mm f/4 OIS

Image stabilized classic 70-200mm for L-Mount..

1. Overview of Panasonic Lumix S PRO 70-200mm f/4 OIS
2. Aperture Series @ 135mm: Mosaic (Panasonic S1R, HighRes)

Panasonic Lumix S 70-300mm f/3.5-5.6 Macro OIS

Image-stabilized telephoto zoom for L-Mount..

1. Overview of Panasonic Lumix S 70-300mm f/3.5-5.6 Macro OIS

Leica 24-90mm f/2.8-4 Vario-Elmarit-SL ASPH OIS

All-arounder zoom with dubious optical compromises..

1. Distortion @ 24mm, Uncorrected and Corrected (DeChambeau Barn)
2. Aperture Series @ 24mm: Fresh June Snow on White Mountain Road (Leica SL)
3. Aperture Series @ 24mm: Bristlecone Canyon (Leica SL)
4. Aperture Series @ 46mm: Downed Aspen Trunks in Creek (Panasonic S1R)
5. @35mm Shootout vs Zeiss ZM 35/1.4 Distagon: Fresh June Snowfall on White Mountains (Leica SL)

Nikon D800E

36 megapixels in a compact full-frame DSLR..

1. Autofocus AF-S Accuracy: Nikon 70-200mm f/2.8 VR II (Various)
2. LENS: D800 + AF-S 105/2.8G ED-IF VR Macro
3. LENS: D800 + AF-S 70-200mm f/2.8G ED VR II @ 70mm, 135mm
4. LENS: D800 + 180/2.8D ED-IF vs AF-S 70-200/2.8G VR II @ 185mm

Nikon D4

Nikon’s pro-body high speed low light wonder..

1. Examples with Leica 180/2.8 APO-Elmarit-R (Zoo Animals, etc)

Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR

Nikon’s finest 70-200 zoom as of 2017..

1. Overview of Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR
2. Aperture Series @ 70mm: Mosaic (Nikon D810)
3. Aperture Series @ 70mm: Tailings Piles (Nikon D810)
4. Aperture Series @ 75mm: American Hotel, Cerro Gordo (Nikon D810)
5. Aperture Series @ 95mm: Tailings Piles (Nikon D810)
6. Aperture Series @ 120mm: Yellow Bike at Night (Nikon D810)
7. Aperture Series @ 130mm: Mosaic (Nikon D810)
8. Aperture Series @ 135mm: 'The Claw' Fountain at Night (Nikon D810)
9. Aperture Series @ 135mm: White Truck at Night (Nikon D810)
10. Aperture Series @ 135mm: Rodin Burghers of Calais (Nikon D810)
11. Aperture Series @ 150mm: Cala Lillies (Nikon D810)
12. Aperture Series @ 160mm: Penetrating Power at Night, Tower (Nikon D810)
13. Aperture Series @ 165mm: Bikes at Night (Nikon D810)
14. Aperture Series @ 170mm: Mosaic (Nikon D810)
15. Aperture Series @ 180mm: Rush Creek Waterfall (Nikon D810)
16. Focus Shift @ 200mm at Close Range
17. Nikon D810 Autofocus Compensation for Focus Shift
18. vs Sigma 135mm f/1.8 DG HSM Art (White Flowers, Nikon D810)
19. vs Sigma 135mm f/1.8 DG HSM Art (Cerro Gordo Bunkhouse, Nikon D810)

Nikon AF-S 70-200mm f/4 ED VR and 70-200mm f/2.8 ED VR II

Which speed zoom for the Nikon D800/D800E?.

1. Comparison: Actual Focal Length at Close Range (Breathing)
2. Comparison: Focus Shift at Close Range
3. Distortion: 200mm, 160mm
4. Comparison: 70-200/4 VR vs 70-200/2.8 VR II (170mm)

Nikon AF-S 70-200mm f/2.8G ED VR II

Nikon’s bread and butter telephoto zoom.

1. Main page
2. Loss of Focal Length at Close Range
3. Central Hot Spot Issue

Sony A900

The 24.6 megapixel Sony A900 digital SLR is compared with Canon’ top-of-the-line 21.1MP EOS 1Ds Mark III. A field report including two comparisons with the Canon 1Ds Mark IIII, example images in color and black and white, and the Zeiss ZA 135mm f/1.8 Sonnar. Anti-Shake (SteadyShot) is assessed, as is noise behavior..

1. Anti-Shake

Nikon AF-S Nikkor 200mm f/2G ED VR II

Ultra fast 200mm with gorgeous bokeh and high resolving power..

1. Overview of Nikon 200mm f/2G ED VR II
2. Sharpness and Focus Shift at Close Range, Dolls (Nikon D810)
3. Conclusions
4. Reader Comments on Nikon 200mm f/2 ED VR II

Special Report: Nikon AF-S VR Zoom-Nikkor 70-200mm f/2.8G ED-IF

Evaluates performance of the Nikon 70-200mm f/2.8 VR on the Nikon D3. Comparison with the Nikon 180mm f/2.8D ED-IF..

1. Comparison with Nikon 180/2.8D ED

Pentax K-3 II (APS-C)

24-megapixel APS-C DSLR with SuperResolution true-color..

1. Pentax K-3 II Overview

Canon 85mm f/1.4L IS USM

Canon’s best-ever medium telephoto and with image stabilization..

1. Canon EF 85mm f/1.4L IS USM

Canon 100mm f/2.8L Macro IS

Canon 100mm f/2.8L Macro IS .

1. Canon 100mm f/2.8L: Main Page
2. Canon 100mm f/2.8L: Examples
3. Canon 100mm f/2.8L: IS Glitch

Canon 200-400mm f/4L IS

Canon’s versatile super telephoto..

1. Examples: Silver Canyon Bighorn Sheep

Tamron SP 15-30mm f/2.8 Di VC USD

Tamron’s ultra wide to medium fast zoom..

1. Overview of Tamron SP 15-30mm f/2.8 Di VC USD
2. Tamron 15-30mm vs Nikon 14-24/2.8G [Bad Sample] (Pescadero Creek, Nikon D810)
3. Image Stabilization on Tripod Destroys Sharpness (Nikon D810, Dark Rocks)

Sigma 40mm f/1.4 DG HSM Art

Extraordinary optical efforts for outstanding performance..

1. Examples: Laws Railroad Museum

Sigma 135mm f/1.8 DG HSM Art

Fastest 135mm lens yet, with ultra high performance..

1. vs Nikon 70-200mm f/2.8 FL ED VR (White Flowers, Nikon D810)
2. vs Nikon 70-200/2.8E FL ED VR (Cerro Gordo Bunkhouse, Nikon D810)

Sigma Telephoto APO Macro Lenses: 150mm, 180mm

Sigma’s fast telephoto APO macro lenses..

1. Image Stabilization
2. APO.chromatic: Sigma 180 and 150 + Leica 180/2.8, Voigtlander 180/4 + Nikon 70-200/2.8 VRII

Nikon AF-S 24-120mm f/4G VR

Nikon’s latest wide range zoom with vibration reduction and fixed f/4 aperture..

1. Flare Into The Sun
2. Mosaic Comparison 70mm — Nikon 24-70/2.8G, 70-200/2.8G VR II
3. Mosaic Comparison 85mm — Nikon 70-200/2.8G VR II, 85/1.4G
4. Mosaic Comparison 120mm — Nikon 70-200/2.8G VR II

Nikon AF-S Nikkor 24-70mm f/2.8E ED VR

Versatile image-stabilized mid-range zoom..

1. Introduction to Nikon AF-S Nikkor 24-70mm f/2.8E ED VR
2. Nikon 24-70/2.8E VR vs 24/1.8G: Snowy White Mountain Road

Nikon AF-S Nikkor 24mm f/1.8G

Versatile autofocus wide angle..

1. Nikon 24/1.8G vs Nikon 24-70/2.8E VR: Snowy White Mountain Road

Nikon AF-S 85mm f/1.4G

State of the art design in a fast 85mm lens..

1. Comparison with Nikon 70-200mm f/2.8G VR II

Nikon AF-S 300mm f/2.8 VR II

Does high price guarantee quality control and superb images?.

1. Examples

Nikon AF-S 300mm f/4E PF ED VR

Compact and lightweight travel-friendly telephoto..

1. Overview: Nikon AF-S 300mm f/4E PF ED VR
2. MTF for Nikon AF-S 300mm f/4E PF ED VR

Nikon AF-S 200-500mm f/5.6E ED VR

Relatively compact super-telephoto zoom..

1. Introduction to Nikon AF-S 200-500mm f/5.6E ED VR

Nikon Ultra Wide Zooms

Comparing Nikon 16-35mm f/4 VR, 17-35mm f/2.8, 14-24mm f/2.8, 18-35mm, 24-70mm f/2.8 along with Nikon 20mm f/3.5, 24mm f/2, 28mm f/2, 35mm f/1.4 AIS, and more..

1. Overview of Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR
2. Distortion of Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR
3. Vignetting of Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR
4. Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR— Crops at 18mm
5. Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR— Crops at 21mm
6. Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR— Crops at 24mm
7. Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR— Crops at 28mm
8. Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR— Crops at 35mm
9. Nikon 18-35mm f/3.5-5.6 vs Nikon 16-35 f/4 VR— Conclusions
10. Conclusions

Canon 800mm f/5.6L IS Super Telephoto

A review of Canon’s 800m f/5.6L IS super telephoto, with high performance that demands technical mastery to use well..

1. Image Stabilization: Not Always a Win

Canon 200mm f/2L IS USM

A review of Canon’s 200mm f/2L mini super telephoto. Not just for sports, it makes a great landscape lens..

1. Image Stabilization (IS) on a Tripod

Medium Format Magazine

Articles written for MediumFormat.com..

1. Incredible Detail with the Fujifilm GFX100: Focus Stacking for Immersive Imagery (September 2019)

Fujifilm GFX100 II

Updated everything-better after 5 years..

1. Fujifilm GFX100 II: Overview

Fujifilm GFX100S

100 megapixels in a body the size of a 35mm DSLR!.

1. Overview of Fujifilm GFX100S

Fujifilm GFX100 Sensor Stabilization / IBIS

Sharp images at low shutter speeds..

1. Fujifilm GFX100: Making of a Handheld Panorama with IBIS at 1/10 Second: Earth Shadow From Above Barcroft
2. Fujifilm GFX100S: Severe Blurring from IBIS, Partial Frame
3. Fujifilm GFX100: Focus Stacking Handheld with IBIS
4. Fujifilm GFX100: Image Stabilization (IBIS) Destroys or Damages Images on Tripod

Fujifilm GF 35-70mm f/4.5-5.6

Compact wide angle.

1. Examples: Tigger the Formerly-Feral Feline Friend
2. Examples: an August Hike from Saddlebag Lake to Twenty Lakes Basin
3. Examples: White Mountains Snow

Fujifilm GF 45-100mm f/4 R LM OIS WR

Slightly long zoom lens equivalent to 37-82mm f/3.3..

1. Overview of Fujifilm GF 45-100mm f/4 R LM OIS WR
2. Aperture Series @ 100mm: Sagebrush Hillside to Wind-Whipped Whitney

Fujifilm GF 50mm f/3.5 R LM WR

Slightly wide compact normal lens equivalent to 41mm f/2.9..

1. Examples: Backyard (GFX100S)

Fujifilm GF 120mm f/4 Macro R LM OIS WR

High performance macro photography on medium format, equivalent to 99mm f/3.3..

1. Overview of Fujifilm GF 120mm f/4 Macro R LM OIS WR
2. MTF for Fujifilm GF 120mm f/4 R LM OIS WR Macro
3. Aperture Series @ 1:10: Dolls (GFX 50S)
4. Aperture Series: Baseball Diamond (GFX 50S)
5. Aperture Series: Mosaic (GFX 50S)
6. Aperture Series: Rodin Burghers of Calais (GFX 50S)

Fujifilm GF 250mm f/4 OIS R WR

Telephoto equivalent to 200mm lens. .

1. MTF for Fujifilm GF 250mm f/4 R LM OIS WR
2. Stitched Panorama: High Peaks over May Lundy Mine (GFX 50R)
3. Examples: Eastern Sierra, White Mountains (GFX 50R)

Hasselblad X2D 100C

Mirrorless large format with leaf shutter lenses, 3rd generation..

1. Press Release Hasselblad X2D 100C

Pentax 645Z Image Quality

High end image quality, but what about lenses?.

1. Pentax 645Z Examples: Portraits (90/2.8)

ZF.2/ZE 21mm f/2.8 Distagon

Brilliant imaging, even wide open, but with a few quirks. (Review in progress) .

1. vs Nikon 14-24/2.8G and Nikon 16-35/4G VR

28mm f/2 Distagon

An artist’s drawing tool..

1. 28/2 Distagon vs Nikon 24-70/2.8G, Nikon 16-35/4G VR, Nikon 28/2

35mm f/2 Distagon

Balance and poise..

1. vs Nikon 24-70/2.8G, Nikon 16-35/4G VR, Nikon 35/1.4

Otus 28mm f/1.4 APO-Distagon

Fast high performance APO wide angle..

1. Examples: Lundy Canyon (Nikon Z7)

100mm f/2 Makro-Planar

King of bokeh! Corner-to-corner sharpness, world class..

1. Comparison to Nikon 105mm f/2.8G VR
2. In-depth Comparison to Nikon AF-S 105mm f/2.8 VR ED-IF

135mm f/2 APO-Sonnar

Beautiful bokeh, razor sharp, superb color correction..

1. vs Sigma 135mm f/1.8 Art and Nikon 70-200mm f/2.8 FL ED VR: White Flowers (Nikon D810)

Binoculars

What to look for in a binocular, plus reviews..

1. Canon 10x42L IS WP Image Stabilized
2. Canon 18x50 IS WP Image Stabilized

Understanding optics

Understanding lens performance..

1. Understanding Lens Flare

Misc Reviews

Miscellaneous reviews..

1. Nikon 70-200mm f/2.8 VR: Mush In the Corners

Brand-new Blur

Blurry lenses right out of the box..

1. Blurry Nikon AF-S 70-200mm f/2.8G VR II
2. Blurry Nikon AF-S 300mm f/2.8G VR II

Overview of Zeiss Touit Lenses

High performance prime lenses for Sony NEX and Fujifilm X..

1. Touit Optics: Manual / Autofocus, Lens Design

Nikon lenses

Overview and assessments of Nikon lenses.

1. Nikon AF-S Nikkor 16-35mm f/4G ED VR
2. Nikon AF-S VR Nikkor 24-120mm f/4G ED
3. Nikon AF-S 300mm f/2.8G ED VR II

Nikon D200 vs D2x

Vintage 2006 comparative review of Nikon D200 vs Nikon D2x..

1. Resolution-Forest105

Canon EOS R5

Canon’s high-res mirrorless..

1. Introduction to Canon EOS R5
2. Destruction of Image Sharpness by Image Stabilization

Nikon Z7 Overview, Setup, General

Setup, IBIS performance, focusing..

1. Nikon Z7 Usage Notes

Nikon Z7 IBIS and Focusing

Setup, IBIS performance, focusing..

1. Autofocus Accuracy: Zone of Focus Error, Example and Mitigation
2. Examples, Handheld Very Slow Shutter: Lundy Canyon (Zeiss Otus 28/1.4)
3. Examples, Handheld Very Slow Shutter: Lundy Canyon, Various
4. Handheld A/B Comparison With/Without IBIS (Vibration Reduction)

Nikon Z7 Image Quality

Image quality..

1. Examples, Handheld: Mt Conness Basin East

Nikon NIKKOR Z 26mm f/2.8

Ultra-wide zoom lens..

1. Examples: Backyard (Z8)

Nikon NIKKOR Z 70-200mm f/2.8 S

Fast portrait telephoto for Nikon Z..

1. Introduction to Nikon NIKKOR Z 70-200mm f/2.8
2. Aperture Series @ 70mm: Eastern Sierra Mixed Forest (Z8)
3. Aperture Series @ 145mm: Glowing Aspen Trunks at Dusk (Z8)
4. Aperture Series @ 200mm: Snow Field (Z8)
5. Aperture Series @ 200mm: Overflowing Creek in Meadow, View from Above (Z8)

Sony A1 Setup and Configuration

Menus, buttons, customization..

1. PASM Mode Dial Settings Groups for Landscape vs Sports/Action/Portraiture

Sony Alpha A7R III

Attention to details: a solid upgrade over the A7R II..

1. Introduction to Sony A7R III
2. Sony A7R III: Programming the Custom Function Buttons C1/C2/C3/C4, etc

Sony Alpha A7R II

Attention to details: a big upgrade over the A7R..

1. Button Customization for Sony A7R II and Siblings
2. IBIS (In Body Image Stabilization) Handheld at 280mm
3. IBIS (In Body Image Stabilization) Handheld at 25mm
4. Examples: Dana Lake, Dana Glacier Part 1, 'Approach' (Zeiss Batis)
5. Examples: Dana Lake, Dana Glacier Part 2, 'Glacier' (Zeiss Batis)
6. Examples: Dana Lake, Dana Glacier Part 3, 'Return' (Zeiss Batis)

Sony Alpha A9

Blackout-free 20 fps speed demon..

1. Introduction to Sony A9
2. Examples: Autofocus, Image Stabilization, Ad-Hoc Findings

Sony Alpha A7 II

Sensor stabilized 24MP full-frame..

1. Sensor Image Stabilization in Less Stable Shooting Position (Backyard Frosty)
2. Sony A7 II @ 180mm: Focusing and Field Shooting (Leica 180/2.8 APO)

Sony FE 50mm f/1.2 GM

High performance, high speed..

1. Examples: Lundy Canyon, Dawn and Dusk

Sony FE 55mm f/1.8 ZA Sonnar

Compact normal lens for full-frame Sony mirrorless..

1. Portrait Examples (low light handheld, Sony A7 II IS)

Sony FE 100mm f/2.8 STF GM

Razor sharp medium telephoto with apodization filter..

1. Introduction to Sony FE 100mm f/2.8 STF GM

Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

Comapact ultra-wide zoom for Sony full frame mirrorless..

1. Introduction to Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

Sony FE 24-70mm f/4 OSS Vario-Tessar

Comapact mid-range zoom for Sony full frame mirrorless.

1. Sony FE 24-70mm f/4 OSS Vario-Tessar Introduction

Sony FE 24-105mm f/4 G OSS

Wide angle to telephoto zoom with optical stabilization..

1. Introduction to Sony FE 24-105mm f/4 G OSS

Sony FE 24-240mm f/3.5-6.3 OSS

10X superzoom..

1. Overview of Sony FE 24-240mm f/3.5-6.3 OSS

Sony FE PZ 28-135mm f/4G OSS

Wide mid-range zoom targeted at video shooters..

1. Overview of Sony FE PZ 28-135mm f/4G OSS

Sony FE 70-200mm f/2.8 GM OSS II

Barely good-enough telephoto zoom for Sony full frame mirrorless.

1. Introduction to Sony FE 70-200mm f/2.8 GM II

Sony FE 70-200mm f/2.8 GM OSS

Barely good-enough telephoto zoom for Sony full frame mirrorless.

1. Sony FE 70-200mm f/2.8 GM Introduction

Sony FE 70-300mm f/4.5-5.6 G OSS

Compact long range telephoto zoom for Sony full frame mirrorless.

1. Sony FE 70-300mm f/4.5-5.6 G OSS Introduction

Sony FE 100-400mm f/4.5-5.6 GM OSS

Hand-holdable super telephoto zoom..

1. Introduction to Sony FE 100-400mm f/4.5-5.6 GM OSS

Sony FE 200-600mm f/5.6-6.3 G OSS

Hand-holdable super telephoto zoom..

1. Introduction to Sony FE 200-600mm f/5.6-6.3 G OSS

Sony FE 600mm f/4 GM OSS

Hand-holdable super telephoto zoom..

1. Introduction to Sony FE 600mm f/4 GM OSS

Olympus M.Zuiko Digital ED 300mm f/4 IS PRO

Super telephoto with superb bokeh and color correction..

1. Olympus Zuiko Digital ED 300mm f/4 IS PRO Overview

Panasonic Lumix G LEICA DG MACRO-ELMARIT 45mm f/2.8 ASPH MEGA O.I.S

A macro lens with high performance..

1. Panasonic MACRO-ELMARIT 45mm f/2.8 Overview

Panasonic Leica Summilux 12mm f/1.4 ASPH

Fast, bright and well corrected wide angle..

1. Examples: Around the Neighborhood

Panasonic Lumix G X Vario 12-35mm f/2.8 ASPH

Mid range zoom..

1. Panasonic Lumix G X Vario 12-35mm f/2.8 ASPH

Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH

Fast, bright and highly corrected medium telephoto..

1. Examples: Las Vegas Strip (Olympus OM-D E-M1 Mark II)

Panasonic Leica DG Elmarit 200mm f/2.8 POWER O.I.S.

High performance super telephoto..

1. Overview of Panasonic Leica DG Elmarit 200mm f/2.8 POWER O.I.S.

Olympus OM-D E-M5

Superb ergonomic design in a compact camera..

1. Effectiveness of Image Stabilization

Olympus OM-D E-M5 Mark II

Updated model with HighRes sensor shift mode..

1. HighRes Sensor Shift Mode vs Standard Resolution, NOISE (Mining Artifacts)

Panasonic G-1 micro-4/3 camera

Panasonic G-1 especially compared to the Olympus E-P1. Intriguing results with RAW vs in-camera JPEG. RAW file included for your own analysis..

1. Overview

Fujifilm XF 10-24mm f/4 R OIS

Wide angle zoom equivalent to 15-36mm.

1. Overview of Fujifilm XF 10-24mm f/4 R OIS

Zeiss Batis 18mm f/2.8 Distagon

Autofocus extreme wide angle for Sony full-frame mirrorless..

1. Examples: Church Interior Handheld
2. Examples: Eastern Sierra Hall Natural Area (Sony A7R II)

Zeiss Batis 40mm f/2

All-around slightly wide angle/normal with close focus..

1. Examples, handheld: Bishop Creek, Dusk

Zeiss Batis 85mm f/1.8 Sonnar

Autofocus portrait lens for Sony full-frame mirrorless..

1. Overview of Zeiss Batis 85mm f/1.8 Sonnar
2. On a Tripod With SteadyShot / Image Stabilization = Damaged Sharpness (Sony A7R, Through the Boulders)

Leica Q2

47-megapixel fixed lens compact full-frame..

1. Examples: Initial Evaluation Around the House

Leica 180mm f/2.8 APO-Elmarit-R

World’s best mid-range telephoto lens..

1. vs Sigma 150/2.8 APO, 180/2.8 APO, Voigtlander 180/4 APO, Nikon 70-200 VR2 (D800E, Rulers)

Zeiss ZM 35mm f/1.4 Distagon on Leica SL

A star performer sets the standard on the SL..

1. Zeiss ZM 35/1.4 Distagon vs Leica 24-90mm, Fresh June Snowfall on White Mountains (Leica SL)

Blog posts, reverse chronological

2023

2023-09-12 Fujifilm GFX100 II: Many Improvements Even for Still Photography

2023-08-24 Fujifilm GFX100S: IBIS Screwups can Also Destroy a Focus BKT Series

2023-08-18 Fujifilm GFX100S: Severe Blurring from IBIS

2023-08-03 Nikon NIKKOR Z 70-20mm f/2.8S Aperture Series @ 200mm: Snow Field + Overflowing Creek (Z8)

2023-05-24 New! Leica Q3 with the Same Extreme-Barrel-Distortion Lens

2022

2022-10-26 Sony Debuts AI Technology in Sony A7R V

2022-09-07 Announced: Hasselblad X2D-100C with 100 Megapixel Sensor, IBIS, Phase-Detect AF

2022-02-17 Fujifilm GFX100S: Which Mid-Range Lenses?

2022-02-11 Compact, Enjoyable Medium Format that Might Surprise and Delight — Fujifilm GFX-50R just $2999

2021

2021-12-12 Interest in Nikon Z9 and the Newer Nikon NIKKOR Z Lenses? (UPDATED with reader comments)

2021-11-07 Canon EOS R5: Long Exposures and Image Stabilization are a Destructive Combination

2021-04-09 Reader Comments: Fujifilm GFX100S

2021-01-27 Fujifilm GFX100S Chops $4000 Off Fujifilm GFX100, Cuts Size and Weight, Costs Less than Sony A1! Plus Commentary

2021-01-26 Sony A1 Initial Impressions

2020

2020-10-18 Analyzing Swing and Tilt of Sony A7R IV with Two Samples of Sony FE 12-24mm f/2.8 GM

2020-07-09 Canon EOS R5 Ships Soon + Canon RF 85mm f/2 Macro IS STM, Canon RF 100-500mm F4.5-7.1 L IS USM, Canon RF 600mm f/11 IS STM, Canon RF 800mm f/11 IS STM

2020-04-17 Reader Comment/Question: Image Stabilization and Sharpness, Monopod vs Tripod

2020-04-04 Astrophography with Fujifilm GF 50mm f/3.5 R WR LM and Fujifilm GF 45-100mm f/4 R LM OIS WR

2019

2019-09-15 Demands on Lens Performance with the Sony A7R IV are More Pronounced than I had Anticipated

2019-08-23 Fujifilm GFX100 Sensor Stabilization (IBIS): Beware Destruction of Image Sharpness on a Tripod

2019-08-20 Fujifilm GFX100 Focus Stacking Handheld with Sensor Stabilization (IBIS)

2019-08-19 How Good is Fujifilm GFX100 Sensor Stabilization? “Earth Shadow Rising Above Barcroft Research Station”, 1/10 Second Handheld

2019-08-15 Fujifilm GF 120mm f/4 Macro R LM OIS WR Focus Stacking Examples

2019-07-02 Shootout: Panasonic Lumix S PRO 70-200mm f/4 OIS vs Panasonic Lumix S PRO 24-105mm f/4 OIS @ ~74mm: Painted Rock

2019-05-25 Panasonic Lumix S PRO 70-200mm f/4 OIS Aperture Series @ 87mm: Mosaic (Panasonic S1R, High-Res)

2019-05-24 Panasonic Lumix S PRO 70-200mm f/4 OIS Aperture Series @ 200mm: Mosaic (Panasonic S1R, High-Res)

2019-05-24 Panasonic Lumix S PRO 70-200mm f/4 OIS Aperture Series @ 135mm: Mosaic (Panasonic S1R, High-Res)

2019-04-09 Panasonic LUMIX S 24-105mm f/4 Macro OIS Aperture Series @ 35mm: Mosaic (Panasonic S1R)

2019-04-09 Panasonic LUMIX S 24-105mm f/4 Macro OIS Aperture Series @ 35mm: Mosaic (Panasonic S1R)

2019-04-08 Panasonic LUMIX S 24-105mm f/4 Macro OIS Aperture Series @ 24mm: Mosaic (Panasonic S1R)

2019-04-06 Panasonic LUMIX S 24-105mm f/4 Macro OIS: Evaluating Distortion and the Effects of Distortion Correction

2019-04-05 Panasonic LUMIX S 24-105mm f/4 Macro OIS Aperture Series @ 71mm: Mosaic (Panasonic S1R)

2019-01-30 Fujifilm GF 250mm f/4 R LM OIS WR Exmples: Lundy Lake Area (Fujifilm GFX-50R)

2019-01-29 Fujifilm GF 250mm f/4 R LM OIS WR Aperture Series: Last Light on High Peaks (Fujifilm GFX-50R)

2019-01-27 Fujifilm GF 250mm f/4 R LM OIS WR Aperture Series: Headlight Closeup (Fujifilm GFX-50R)

2019-01-27 Fujifilm GF 250mm f/4 R LM OIS WR Aperture Series: Painted Rock (Fujifilm GFX-50R)

2019-01-24 Fujifilm GF 250mm f/4 R LM OIS WR: Making a 155-Megapixel Panorama “High Peaks Over May Lundy Mine” (Fujifilm GFX-50R)

2019-01-20 Fujifilm GF 250mm f/4 R LM OIS WR Examples: Eureka Dunes (Fujifilm GFX-50R)

2019-01-20 Fujifilm GF 250mm f/4 R LM OIS WR: Making a 91-Megapixel Panorama “Winter Solstice Sunrise on Mt Whitney” (Fujifilm GFX-50R)

2018

2018-10-31 Zeiss Batis 40mm f/2 CF Examples: Bishop Creek at Dusk, Handheld

2018-10-21 Nikon Z7: Validating Focus Accuracy, Exposure, Handheld with IBIS and Nikon NIKKOR Z 35mm f/1.8 (Bishop Creek)

2018-10-11 Nikon Z7: Examples, Handheld with IBIS, Very Slow Shutter: Lundy Canyon (Various)

2018-10-10 Nikon Z7: Examples, Handheld with IBIS, Very Slow Shutter: Lundy Canyon (Zeiss Otus 28/1.4)

2018-10-09 Nikon Z7: Shooting Handheld with and Without IBIS

2018-10-08 Nikon NIKKOR Z 24-70mm f/4 S Examples Using IBIS, Conness Lakes Area

2018-10-03 Reader Comments: Nikon Z7 Focusing and IBIS vs Sony Mirrorless

2018-06-22 Sigma DG HSM Art Lenses Now Available for Sony Mirrorless

2017

2017-10-25 Sony Announces Sony Alpha A7R III

2017-07-23 Reader Comment: Nikon 70-200mm f/2.8E FL ED and Image Stabilization on a Tripod

2017-07-21 Sony A7R II Tripod Use: IBIS Damages Image Sharpness as it Always Has

2017-06-15 Shootout: Sigma 135mm f/1.8 DG HSM Art vs Nikon 70-200mm f/2.8E FL ED VR: Cerro Gordo Bunkhouse (Nikon D810)

2017-06-12 Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR Aperture Series @ 75mm: American Hotel, Cerro Gordo (Nikon D810)

2017-06-12 Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR Aperture Series @ 180mm: Rush Creek Waterfall (Nikon D810)

2017-06-11 Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR Aperture Series @ 95mm: Tailings Piles (Nikon D810)

2017-06-11 Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR Aperture Series @ 70mm: Tailings Piles (Nikon D810)

2017-05-18 Really Right Stuff LCF-11 Replacement Tripod Foot for Nikon 70-200mm f/2.8E FL ED VR

2017-05-18 Nikon 70-200mm f/2.8E FL ED VR Aperture Series:Mosaic at 70mm, 130mm, 170mm

2017-05-18 Nikon 70-200mm f/2.8E FL ED VR Aperture Series: 'The Claw' Fountain at Night

2017-05-18 Nikon 70-200mm f/2.8E FL ED VR Aperture Series: Yellow Bike at Night, White Truck at Night

2017-05-18 Nikon 70-200mm f/2.8E FL ED VR Aperture Series: Penetrating Power at Night, Tower

2017-05-18 Nikon 70-200mm f/2.8E FL ED VR Aperture Series: Bikes at Night, Rodin Burghers of Calais

2017-05-16 Nikon 70-200mm f/2.8E FL ED VR: Focus Shift at Close Range @ 70mm, 130mm, 200mm

2017-05-14 Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR Aperture Series: Calla Lillies

2017-05-10 Sigma 135mm f/1.8 DG HSM Art Shootout vs Nikon 70-200/2.8 FL ED VR vs Zeiss 135/2 APO-Sonnar

2017-04-19 Sony’s New α9 Camera Appears to Target the High-End Sport Shooter Market

2016

2016-10-19 Nikon 70-200mm f/2.8E FL ED VR

2016-10-11 Shootout: Nikon AF-S 105mm f/1.4E ED vs Nikon AF-S VR Micro-Nikkor 105mm f/2.8G ED: Beaver-Gnawed Dead Aspen

2016-09-19 Olympus OM-D E-M1 Mark II: Major Improvements and New Features

2016-09-09 Sony 50mm f/1.4 ZA: Examples in Hall Natural Area at Dusk

2016-08-25 Sony A7R II IBIS (In Body Image Stabilization) Destroys Sharpness on a Tripod

2016-07-22 Shootout on Leica SL: Leica 24-90/2.8-4 Vario-Elmarit-M ASPH OIS vs Zeiss ZM 35/1.4 Distagon, 'Fresh June Snow on White Mountains'

2016-06-01 Reviewed: Nikon AF-S 200mm f/2G ED VR II

2016-05-09 Nikon 200mm f/2 VR: Examples at the Zoo

2016-05-05 Shipping: Sony FE 70-300mm f/4.5-56 G OSS

2016-04-27 Poking the Hornet’s Nest... Sony vs Fujifilm: Which is the Better Deal?

2016-04-05 Panasonic Lumix DMC-GX85 Mirrorless Micro Four Thirds Powerhouse

2016-04-02 REVIEWED: Fujifilm XF 10-24mm f/4 OIS: Examples and More (Carrizo Plain, X-Pro2)

2016-03-31 Sony FE 70-300mm f/4.5-56 G OSS

2016-02-03 Sony FE 70-200mm f/2.8 GM OSS

2016-01-16 Nikon 200-500mm f/5.6E ED VR Aperture Series at 500mm: Pomegranate

2016-01-12 Nikon 200-500mm f/5.6E ED VR Evaluated at 200mm, 340mm, 500mm

2015

2015-12-23 Nikon 24-70mm f/2.8E ED VR Aperture Series @ 70mm: Frosted Hillside (Nikon D810)

2015-12-22 Compared: Nikon 24mm f/1.8G vs 24-70mm f/2.8E ED VR : Snowy White Mountain Road (Nikon D810)

2015-12-21 Nikon 24-70mm f/2.8E ED VR Aperture Series @ 38mm: Bristlecone and Earth Shadow at Dusk (Nikon D810)

2015-08-23 Sony In-Body-Image-Stabilization (IBIS) aka SteadyShot: Is There a Downside?

2015-08-22 Sony A7R II: Evaluating SteadyShot (IBIS) Handheld at 1/20 Second at 25mm

2015-08-21 Sony A7R II, Sony Lenses: Reader Comments

2015-08-08 Sony A7R II: Assessing IBIS at 280mm: Is Handheld Shooting at 42 Megapixels at 1/125 Second Viable?

2015-08-04 Readers Write on the Sony A7R II: is there a quality issue with the EVF?

2015-06-10 Announced: Sony RX10 Mark II, Sony RX100 Mark IV

2015-06-10 Announced: Sony A7R II with 42-Megapixel sensor, In-Body-Image-Stabilization, 4K Video

2015-05-24 Zeiss Batis 85mm f/1.8 Sonnar Caution: Sony SteadyShot Destroys Sharpness on a Tripod

2015-05-15 Nikon AF-S 300mm f/4E PF ED VR: Aperture Series 'Oak Tree at Dusk'

2015-05-14 Nikon AF-S 300mm f/4E PF ED VR: Aperture Series 'Oil Field Cogeneration Plant'

2015-05-13 Nikon AF-S 300mm f/4E PF ED VR: Aperture Series 'Looped Oil Pipes'

2015-05-11 Nikon AF-S 300mm f/4E PF ED VR

2015-04-22 Pentax K3 II: Out-Innovating Nikon and Canon

2015-04-01 Tamron SP 15-30mm f/2.8 Di VC USD: Image Stabilization Aperture Series on Tripod, Showing Sharpness Damage

2015-03-25 Olympus OMD E-M5 Mark II: Hi-Res Sensor Shift Mode vs Standard-res, NOISE Compared

2014

2014-11-25 Sony Image Stabilization and the Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

2014-11-21 Sony Image Stabilization

2013

2013-10-25 Sigma 24-105mm f/4 DG HSM OIS zoom for Nikon, Canon, Sony, Sigma DSLRs

2013-10-09 Nikon D610 Makes Solid But Incremental Gains in Performance

2013-04-26 APS-C Emerges as “the new full frame quality” + the Sagging Momentum of Micro Four Thirds (m4/3)

2013-03-31 Sigma 180mm f/2.8 APO-Macro DG HSM: Focusing and Image Stabilization

2013-03-24 APO.chromatic: + Sigma 180/2.8 APO Macro DG HSM + Sigma 150/2.8 APO Macro DG HSM + Leica 180/2.8 APO-Elmarit-R + Voigtlander 180/4 APO-Lanthar + Nikon 70-200/2.8G VR II

2013-03-22 Nikon AF-S 80-400mm f/4.5-5.6 ED VR

2013-02-06 Shoot It While You Can

2012

2012-12-13 Nikon 70-200mm f/4G ED VR Aperture Series (Church Door, Tiled Arch)

2012-12-13 Compared on D800: Nikon 70-200mm f/4G ED VR vs Nikon 70-200mm f/2.8G VR II

2012-12-12 Nikon 70-200mm f/4G ED VR Aperture Series (Tower)

2012-12-12 Nikon 70-200/4: Torque on the Lens Mount vs 70-200/2.8

2012-12-11 Nikon 70-200mm f/4G ED VR — More Testing Comments

2012-12-11 Nikon 70-200mm f/4G ED VR Distortion

2012-12-10 Nikon 70-200mm f/4G ED VR Testing Comments

2012-12-08 Nikon 70-200mm f/4G ED VR: More Examples

2012-12-08 Comparison: Nikon 70-200mm f/4G ED VR vs 70-200mm f/2.8G ED VR II

2012-12-07 Nikon 70-200mm f/4G ED VR Examples

2012-12-06 Close Range Focal Length: Nikon 70-200mm f/4G ED VR versus Nikon 70-200mm f/2.8G ED VR II

2012-12-05 Nikon AF-S 70-200mm f/4G VR

2012-12-04 Nikon AF-S 70-200mm f/4G VR

2012-11-09 Nikon AF-S 70-200mm f/4G ED VR

2012-10-15 An Open Letter to Sigma on the DP1 Merrill

2012-09-28 Thoughts on Mirrorless Cameras For Travel, Cycling, All Around Use

2012-07-11 Olympus OM-D E-M5 Image 5-axis Stabilization

2012-05-27 Nikon D4 with Leica 180mm f/2.8 APO-Elmarit-R (+ comments on Nikon 200/2 VR II)

2012-05-13 Nikon D800 Lens Evaluation: Nikon AF-S 70-200mm f/2.8G VR II @ 70mm, 135mm

2012-05-12 Nikon D800 Lens Evaluation: Nikon AF-D 180mm f/2.8D ED-IF vs Nikon AF-S 70-200mm f/2.8G VR II

2012-05-10 Nikon D800 Lens Evaluation: Nikon 105mm f/2.8G ED-IF VR Macro

2012-04-18 Nikon D800: AF-S Autofocus with Nikon 70-200mm f/2.8G VR II

2012-03-16 Reader Asks: Leica R 180/2 APO vs Nikon 200/2 VR II?

2012-02-14 Lens Performance: What Matters

2010

2010-11-29 Reviewed: Nikon AF-S 24-120mm f/4G VR

2010-11-25 Nikon 70-200mm f/2.8G VR II sharpness

2010-11-13 Nikon 24-120mm f/4G VR comments

2010-11-07 Nikon 24-120mm f/4G VR comments

2010-10-12 Nikon AF-S 85mm f/1.4G compared to AF-S 70-200mm f/2.8G VR II

2010-05-09 Zeiss 100mm f/2 Makro-Planar vs Nikon 105mm f/2.8 VR

2010-05-01 Update: Nikon AF-S 300mm f/2.8G ED VR II

2010-04-29 Reviewed: Nikon AF-S 300mm f/2.8G ED VR II

2010-04-07 Nikon 18-35mm f/3.5-4.5 reviewed against the 16-35mm f/4 VR

2010-03-25 New Nikon 300mm f/2.8G VR II

2010-03-18 Nikon bundle deal on D3x or D700 — save $700 through Mar 27

2010-03-10 Nikon 16-35mm f/4 VR comparison

2010-02-19 Order the Nikon AF-S 16-35mm f/4G ED VR

2010-02-11 Bad lighting, Nikon D3s, Nikon 70-200mm f/2.8G VR II

2010-02-09 Nikon’s new AF-S Nikkor 16-35mm f/4G ED VR

2010-01-09 Zeiss 100mm f/2 Makro-Planar compared to Nikon AF-S VR 105mm f/2.8G

2009

2009-12-28 Nikon 70-200/2.8G VR II flare examples

2009-12-27 Nikon 70-200mm f/2.8G VR II — flare

2009-12-26 Nikon 70-200mm f/2.8G VR II — sharpest aperture?

2009-12-26 Nikon 70-200mm f/2.8G VR II — new examples on D3s

2009-12-26 Nikon 70-200mm f/2.8G VR II good sample

2009-12-23 New sample of Nikon 70-200/2.8G VR II

2009-12-15 Nikon 70-200mm f/2.8 VR II review updated

2009-12-14 Two serious issues in Nikon 70-200/2.8G VR II

2009-12-14 Reader comments on DAP, D3s, Nikon 70-200mm VR II

2009-12-12 Nikon D3s at ISO 1600, 3200 — wow!

2009-12-12 Nikon 70-200mm f/2.8G ED VR II review published!

2009-12-10 Nikon 70-200/2.8G VR II bad sample

2009-12-07 Nikon 70-200/2.8 VR II examples

2009-12-05 Nikon 70-200mm f/2.8G ED VR II

2009-12-03 Nikon 70-200mm f/2.8G ED VR II in progress

2009-12-02 New Nikon 70-200mm f/2.8G ED VR II coming tomorrow

2009-11-25 New Nikon 70-200 VR II coming

2009-10-25 Nikon AF-S VR Micro-Nikkor 105mm f/2.8 IF-ED

2009-08-02 New AF-S NIKKOR 70-200mm f/2.8G ED VR II

2009-01-05 How to carry a Nikon 200mm f/2 VR or other Super Telephoto Lens

2008

2008-10-15 Nikon 70-200 VR sharpness workaround

2008-09-03 Nikon 70-200VR Special Report

2008-08-24 Nikon 70-200 VR corner mush in the corners

2008-08-12 Puff piece — Rangefinder mag on the Nikon 24-70

2008-04-17 Nikon 70-200/2.8 VR on Nikon D3

2007

2007-08-04 Followup on AppleTV/Motorola DVR energy waste

2007-08-02 Apple TV and Motorola DVR power usage

2006

2006-07-11 Is the Nikon 18-200/f3.5-5.6G ED-IF AF-S VR DX zoom good enough?