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2019-10-06 Comparing Sony A7R IV to Sony A7R III Resolution: Pine Creek Mining Buildings

2019-09-27 Jaw-Dropping Image Quality: Sony A7R IV with Sigma 14-24mm f/2.8 DG DN Art Examples: Eastern Sierra

2019-09-20 Upscaling/Uprezzing Images: Gigapixel AI Stuns Versus Photoshop Upscaling

2019-09-19 Frame Averaging for Ultra Low Noise with the Nikon D850 Monochrome (but works for any camera, color or monochrome): Moots MootoX YBB 29er

2019-09-14 Reader Comment: Nikon Z7 vs Nikon Z6 for Focusing Tracking and Noise

2019-08-18 Image Quality: Fujifilm GFX100 vs Fujifilm GFX 50S/R

2016-04-24 Rumors of High Megapixels True or Not, Oversampling for Image Quality Makes Sense: 109 Megapixel Tulips via Sony RX100

2015-11-23 Photoshop and GPU: Blurry Image Scaling Damages Image Assessment Workflow

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

2015-07-05 Canon 5DS / 5DS R: sRAW vs Full-Res RAW Downsampled.

Most recent pages at other diglloyd sites:

See also 6 pages at macperformanceguide.com

2023-05-02 2022 MacBook Pro M2 Max: Image Scaling, Topaz Gigapixel AI

2023-02-17 TESTED, Apple 2022 MacBook Pro M2 Max: Image Scaling with Topaz Gigapixel AI

2021-04-24 Automatic Image Downsizing in Apple Mail Wrecks Image Readability

2020-01-09 2019 Mac Pro: Image Scaling with Topaz Labs Gigapixel AI

2014-01-16 2013 Mac Pro: Image Scaling with PhotoZoom Pro

2011-03-09 Image Scaling With PhotoZoom Pro

Digital Sensor Technology

Digital capture technology is discrete, and not the same as film..

1. Are More Pixels Better?
2. Are More Pixels Better at High ISO?
3. Oversampling for High Image Quality (Sony NEX-7)

Workflow Tips and technique

An introduction to digital workflow and best practices. .

1. RAW Conversion: Adobe Camera RAW vs DXO Optics Pro

Photoshop How-To

Working with Photoshop for raw conversion and more. .

1. How to Downsample and Sharpen an Image

Panasonic S1R Multi-Shot High-Res Mode

Evaluating Multi-Shot High-Res Mode..

1. Workflow for Multi-Shot High-Res Mode Images in Adobe Camera Raw (Panasonic S1R, Leica SL2)

Panasonic Lumix S PRO 50mm f/1.4

Premium fast normal lens for L-Mount..

1. Distortion for Panasonic Lumix S PRO 50mm f/1.4

Leica 50mm f/1.4 Summilux-SL ASPH

Fast apochromatic prime lens for L-Mount cameras..

1. Distortion for Leica 50mm f/1.4 Summilux-SL ASPH, with Examples

Leica 16-35mm f/3.5-4.5 Super-Vario-Elmar-SL ASPH

Ultra wide angle premium zoom lens relying on distortion correction..

1. Distortion @ 16mm for Leica 16-35mm f/3.5-4.5 Super-Vario-Elmar-SL ASPH

Nikon D800E

36 megapixels in a compact full-frame DSLR..

1. Staircasing on Sharply Defined Edges
2. Examples — Downsampling to Competing Sizes
3. ISO Series from 50 to 25600 (Flowers)
4. ISO Series from 50 to 12800 (Mosaic)
5. ISO Series from 50 to 25600 (Brass Doors)

Overview of Video with Nikon D800, D800E, D4, Canon 5DM3

How does video quality compare with crop of mid-2012 DSLRs?.

1. Overview of Nikon/Canon DSLR Video

Nikon D850 Monochrome Conversion by MaxMax.com

D850 with the RGB Bayer matrix removed for a true monochrome sensor..

1. Compared: Nikon D850 Monochrome to unmodified Nikon D850: Mining Warning Sign
2. Examples: Eastern Sierra
3. Examples: Eastern Sierra Man-Made Structures
4. Frame Averaging, Camera vs Photoshop (Moots MootoX YBB 29er)

Nikon D3200

24-megapixel APS-C consumer DSLR..

1. D3200 Sharpness from ƒ/4 - ƒ/45

Canon EOS 5DS / 5DS R

50 megapixel successor to the 22 megapixel Canon 5D Mark III..

1. RAW vs mRAW and sRAW: Camera Cropping and Downsampling and File Size
2. RAW vs mRAW: Sharpness, Tone, Color
3. RAW vs sRAW: Sharpness, Tone, Color
4. Sharpness: 5DS R vs 5DS vs 5D Mark III (Zeiss Siemens Chart)
5. Noise at ISO 100, Native Resolution and at Canon 5DM3 Resolution (Dolls)
6. ISO Series from 50 to 12,800 in Color and Black and White (Cabin Interior)
7. Canon 5DS R Noise vs Canon 5D Mark III (Fruit)
8. Monochrome Potential, thoughts vs Leica MM246 (Dolls)

Nikon D3s

Nikon D3s low-light versatile DSLR..

1. Detailed Comparison with D3x

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. Sony A900 vs Canon 1Ds Mark III at 135mm

Nikon D3x 24.4-megapixel DSLR review

Includes: D3x resolution comparisons (res chart) with Nikon D3, Canon EOS 1Ds Mark III, resolution comparison on outdoor shot with Nikon D3, large examples, large wildlife examples, Nikon 200mm f/2 VR on D3x, long exposure noise ISO series, D3x sensitivity on diffraction, D3x dynamic range at ISO 100 vs ISO 50, D3x vs D3 color and noise..

1. D3x vs D3 Matched Resolution
2. ISO Series
3. Noise, Color and ISO
4. D3x vs D3 and EOS 1DsM3

Noise ×4: Nikon D3x, Nikon D3, Canon 5D Mark II, & Canon 1Ds Mark III

Noise performance of early 2009’ premier digital SLRs. ISOs from 50 through 25600, dark area noise, noise reduction effects, noise versus resolution. Can more smaller pixels beat fewer large ones?.

1. Big pixels or small?

Sigma 70-200mm f/2.8 DG OS HSM Sports

Extraordinary optical efforts for outstanding performance..

1. Examples: Mt Whitney and Alabama Hills, Pre-Dawn to Early Sun

Medium Format Magazine

Articles written for MediumFormat.com..

1. Incredible Image Upscaling with Gigapixel AI (October 2019)

Fujifilm GFX100S/100 Comparisons

Is 100 better than 45/50/60 megapixels?.

1. SHOOTOUT: Fujifilm GF 23mm f/4 on GFX100S vs Sony FE 12-24mm f/2.8 GM on Sony A1
2. SHOOTOUT: Fujifilm GFX100S vs Sony A1: Deck and Roof
3. SHOOTOUT @ 43mm/35mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Huge Laurel at Bend in Alpine Creek
4. SHOOTOUT @ 43mm/35mm: Fujifilm GFX100S vs Sony A7R V 16-shot Pixel Shift: Huge Laurel at Bend in Alpine Creek
5. SHOOTOUT: Fujifilm GFX100S vs Leica SL2 + Leica SL 50/2 APO: Deck and Roof

Fujifilm GFX100 Image Quality

Aspects of image quality..

1. Fujifilm GFX100: Quality at ISO 100 to ISO 12800 (Mosaic)

Fujifilm GF 35-70mm f/4.5-5.6

Compact wide angle.

1. Examples: Tigger the Formerly-Feral Feline Friend
2. SHOOTOUT @ 43/35mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Huge Laurel at Bend in Alpine Creek
3. SHOOTOUT: Fujifilm GFX100S vs Sony A1: Deck and Roof

Pentax 645 Lenses (645D tests)

A variety of 645 lens tests on the 645D.

1. Comparison vs Canon 5D Mark II

Rolleiflex Hy6 Mod 2 Medium Format System

Lens performance at 80 megapixels..

1. Aperture Series: Up the Creek (Rolleiflex AFD 80mm f/2.8 Apogon PQS)

Leica S Examples

Examples and comparison from the various lenses.

1. Examples: High ISO
2. Comparison: Leica S2 vs Nikon D3x (Mosaic)

Milvus 35mm f/1.4

Highest performing 35mm from Zeiss ever..

1. Examples: Eastern Sierra and White Mountains (Nikon D850 monochrome)

Reading the publications.

Tips for getting the most out of diglloyd publications..

1. Reading diglloyd.com on the Apple iPhone / iPad

Grab Bag

Various articles..

1. Good Pixels Go Big—Canon EOS 1Ds Mark III and Genuine Fractals

Nikon D200 vs D2x

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

1. DynamicRange

Sony A7R V

5th Generation standard-setting camera..

1. Pixel Shift: 16-Shot vs 4-Shot vs Single-Shot: Dolls
2. Pixel Shift vs Single Shot: Moots MootoX RSL 29er

Sony Alpha A7R IV

4th Generation standard-setting camera..

1. Shootout of Sony A7R IV vs Sony A7R III: Pine Creek Mining Buildings

Sony Alpha A7R II

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

1. IBIS (In Body Image Stabilization) Handheld at 280mm

Sony Alpha A7R

Full frame compact mirrorless with interchangeable lenses..

1. Shootout: A7R vs A7 (Red Barn)

Sony Alpha A7R Shutter Vibration

Vibration from the shutter highly damaging to image sharpness..

1. Sony A7R Shutter Vibration at 90mm with Mass Mitigation (Chart)

Sigma FE 14-24mm f/2.8 DG DN Art

Native-mount ultra wide angle high performance zoom for mirrorless..

1. Examples: Pine Creek (Sony A7R IV)

Voigtlander FE 65mm f/2 Macro APO-Lanthar Aspherical

Ultra high grade macro all-arounder..

1. Aperture Series: Music Box in Miners Cabin

Sony Cybershot RX1R II

Diminutive full-frame camera with 35mm f/2 fixed lens..

1. Noise from ISO 100 - ISO 102K (Pescadero Creek, Downstream)

Sony DSC-RX100

Stunningly high image quality in a 20MP point and shoot tiny camera..

1. Sensor Size and Resolution

Olympus OM-D E-M5 Mark II

Updated model with HighRes sensor shift mode..

1. Processing EM5 Mark II HighRes RAW with Adobe Camera Raw
2. HighRes Sensor Shift Mode vs Standard Resolution, NOISE (Mining Artifacts)

Olympus OM-D E-M1 Mark II

Flagship model for 2017..

1. HiRes Mode: Camera JPEG vs raw Single Shot (Dolls)

Sony NEX-7 and NEX-5N

24 or 16 megapixels in a compact body with APS-C sensor..

1. Noise at ISO 100 - Downsampled to 12MP
2. Noise Reduction by Downsampling

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..

1. Examples: White Mountains Bristlecones (Sony A7R IV)

Panoramas with the iPhone 6s Plus

Shooting + post processing tips with high-res examples..

1. iPhone 6s Plus: General Discussion
2. iPhone 6s Plus: Sharpening and Downsampling
3. iPhone 6s Plus: Example Panoramas

Leica M11

Leica M 60 Megapixels..

1. Leica M11 ISO from 64 to 50000, 36MP M-DNG vs 60MP L-DNG

Leica M Typ 240 Compared To Full Frame Cameras

Relative sharpness and performance across cameras..

1. M240 + 50/2 APO ASPH vs Nikon D800E + Zeiss 50/2 Makro-Planar

Leica M Typ 240 Compared To APS-C Cameras

Relative sharpness and performance vs APS-C cameras..

1. M240 at 28mm vs Sigma DP1 Merrill: Downsampled Resolution
2. M240 + 50/2 APO ASPH vs Sigma DP2 Merrill
3. M240 + 50/2 APO ASPH vs Nikon D7100 + Sigma 35/1.4 DG HSM A

Leica M Monochrom In the Field

Field shooting the Leica MM, and comparisons..

1. Leica MM vs Nikon D800E (Dolls, Downsampled)
2. Leica MM vs Nikon D800E (Dolls, Upsampled)
3. Leica MM vs Nikon D800E (35mm, Pine Creek Tungsten Mine)

Leica 16-18-21mm f/4 Tri-Elmar-M ASPH

Leica’s ultra wide angle zoom lens..

1. Aperture Series, 18mm: California Poppies and Pots (Sony A7R)

Processing DNG in Adobe Camera RAW (ACR)

Sharpening, etc..

1. Sharpening Images After Downsampling

Blog posts, reverse chronological

2019

2019-10-06 Comparing Sony A7R IV to Sony A7R III Resolution: Pine Creek Mining Buildings

2019-09-27 Jaw-Dropping Image Quality: Sony A7R IV with Sigma 14-24mm f/2.8 DG DN Art Examples: Eastern Sierra

2019-09-20 Upscaling/Uprezzing Images: Gigapixel AI Stuns Versus Photoshop Upscaling

2019-09-19 Frame Averaging for Ultra Low Noise with the Nikon D850 Monochrome (but works for any camera, color or monochrome): Moots MootoX YBB 29er

2019-09-14 Reader Comment: Nikon Z7 vs Nikon Z6 for Focusing Tracking and Noise

2019-08-18 Image Quality: Fujifilm GFX100 vs Fujifilm GFX 50S/R

2016

2016-04-24 Rumors of High Megapixels True or Not, Oversampling for Image Quality Makes Sense: 109 Megapixel Tulips via Sony RX100

2015

2015-11-23 Photoshop and GPU: Blurry Image Scaling Damages Image Assessment Workflow

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

2015-07-05 Canon 5DS / 5DS R: sRAW vs Full-Res RAW Downsampled.

2015-02-28 Oversampling for Image Quality: 109 Megapixel Sony RX100 tulips

2014

2014-11-02 Photoshop and GPU: Blurry Image Scaling

2013

2013-09-24 iPhone 5s vs Nokia Lumia 1020 Camera Phones (Oversampling and Downsampling)

2013-03-07 Oversampling for Image Quality (109 Megapixel Sony RX100 tulips)

2012

2012-12-09 Fujifilm X-E1 (and X-Pro1) Artifacting Issue — Reader Comments

2012-09-15 Compared: 18-megapixel Leica M Monochrom vs 36-megapixel Nikon D800E — UPSAMPLED

2012-08-20 How to Downsample an Image, Convert from RAW to TIF, Use Curves

2012-07-13 Why Not 68 Megapixels in a Nikon or Canon DSLR?

2012-05-29 Reader Comments: Lens Choices, Infrared, Downsampling

2012-04-08 Nikon D800 Quality at ISO 1100 when Downsampled to Nikon D3x, Canon 5D Mark III, Nikon D3s Resolution

2012-02-10 Reader Comments: Is Pixel Binning an Option in RAW for D800? What About Computer Speed for 36MP?

2012-02-09 Downsampling and Pixel Binning

2012-01-08 Sony NEX-7: Zeiss ZM 25/2.8 Biogon and 35/2 Biogon Examples + Noise Reduction by Downsampling