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2023-11-20 Fujifilm GF 55/1.7: Flare, Shaded and Unshaded

2021-09-13 Leica 50mm f/2 APO-Summicron-SL: Veiling Flare, Ghosting Flare, Ray Flare

2021-09-05 Leica 35mm f/2 APO-Summicron-SL ASPH: Severe Veiling Flare Problems

2021-01-25 Leica 28mm f/1.4 Summilux-M ASPH: Flare Behaviors

2021-01-25 Leica 50mm f/2 APO-Summicron-M ASPH: Has Its Flare Control Been Improved after Six Years?

2020-06-10 Hasselblad XCD 35-75mm f/3.5-4.5: Veiling Flare with the Sun Outside the Frame

2019-09-06 Sigma 14-24mm F/2.8 DG DN Art: Evaluating Flare Control

2019-04-25 Leica 16-35mm f/3.5-4.5 Elmarit-SL ASPH: Severe Flare Issues on Panasonic S1R

2017-10-25 Zeiss Milvus 25mm f/1.4 Aperture Series:Flare with Sun Just Out of the Frame

2017-09-01 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Sunstars and Flare (Sunstar Palm)

2015-12-21 Sony RX1R II: Evaluating Flare

2015-11-13 Zeiss 21mm f/2.8 Distagon: Arc Flare vs Zeiss Milvus 21mm f/2.8

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

2015-05-17 Leica 90mm f/2.4 Summarit-M Flare Series: Barn Interior, Angle of Light

2015-04-09 Leica 75mm f/2.4 Summarit-M: Veiling Flare, and Bokeh

2015-03-27 Sigma 24mm f/1.4 DG HSM Art Flare Control: Aperture Series 'Extreme Backlighting, Cherry Blossoms'

2015-03-19 Canon 11-24mm f/4L Aperture Series: Ghosting Flare Series at 24mm

2014-11-09 Flare: Zeiss Loxia 35mm f/2 Biogon and Loxia 50mm f/2 Planar

2014-10-02 Zeiss Otus 85mm f/1.4 APO-Planar: Flare Control

2014-07-06 Sigma dp2 Quattro: Lens Hood and Lens Flare

2014-07-02 Sunstars and Flare with the Canon 16-35mm f/4L IS USM

2014-06-22 Leica 50mm f/2 APO-Summicron-M ASPH: Evaluating Flare with Late 2013 Production Sample

2014-03-26 Leica 16-18-21mm f/4 Tri-Elmar-M ASPH: Flare Assessment

2014-03-16 Panasonic Nocticron 42.5/1.2: Flare

2014-03-03 Leica 24mm f/3.8 Elmar-M ASPH: Aperture Series 'DeChambeau Ranch House

2014-03-03 Leica 18mm f/3.8 Super-Elmar-M ASPH: Aperture Series 'Beaver Pond Meadow'

2014-03-02 Leica 24mm f/3.8 Elmar-M ASPH: Aperture Series 'DeChambeau Yellow Wagon'

2014-03-01 Leica 24mm f/3.8 Elmar-M ASPH: Aperture Series 'Glistening Rocks Waterfall'

2014-02-28 Leica 18mm f/3.8 Super-Elmar-M ASPH: Flare Behavior over Aperture Range

2013-11-25 Leica 75mm f/2 APO-Summicron-M ASPH: Flare Examples

Diffraction

Getting peak performance from your lens.

How to Test A Lens

How to verify a good sample and assess all aspects of lens performance..

Image Contrast With a Polarizer

Pros and cons of using a polarizer..

Image Quality Issues

Unique challenges of digital infrared..

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

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

Leica 28mm f/2 APO-Summicron-SL ASPH

Fast short wide angle lens for L-Mount cameras..

Leica 35mm f/2 APO-Summicron-SL ASPH

Fast apochromatic prime/wide lens for L-Mount cameras..

Leica 50mm f/1.4 Summilux-SL ASPH

Fast apochromatic prime lens for L-Mount cameras..

Leica 50mm f/2 APO-Summicron-SL ASPH

Fast short normal lens for L-Mount cameras..

Leica 90mm f/2 APO-Summicron-SL ASPH

Fast short telephoto lens for L-Mount cameras..

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

Nikon’s bread and butter telephoto zoom.

Canon 14mm f/2.8L II

In-depth review of the Canon EF 14mm f/2.8L II including flare, distortion, field curvature, resolution charts, numerous field examples and comparison to the Nikon 14-24mm f/2.8G. The Canon EF 14/2.8L II is a superb lens, but with some peculiarities which may enhance or degrade its appeal for different uses. The review is as much a “user guide” as a review; even if you use this lens it’s well worth your time to read this review..

Canon TS-E 17/4L

Ultra wide angle tilt shift with tremendous versatility.

Canon TS-E 135mm f/4L Macro

Medium-long telephoto tilt/shift lens.

28mm Shift Lenses for Nikon

[Archive] In-depth review on the Nikon D2x of the Nikon 28mm f/3.5 PC-Nikkor, Nikon 28mm f/4 PC-Nikkor and the Schneider 28mm f/2.8 PC-Super-Angulon. Flare, distortion, color fringing, color rendition, sharpness, ergonomics, aligmnent, sample variation..

Sigma 35mm f/1.4 DG HSM Art

Sigma’s fast and affordable moderate excellent wide angle..

Sigma 40mm f/1.4 DG HSM Art

Extraordinary optical efforts for outstanding performance..

Sigma 50mm f/1.4 EX DG HSM on Canon EOS 1Ds Mark III

The Sigma 50mm f/1.4 is a worthy contender in the crowded 50mm area. See how it performs compared to the Canon EF 50/1.4 and EF 50/1.2L..

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

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

Nikon AF-S Nikkor 50mm f/1.4G

Nikon’s latest 50mm lens compared with the Zeiss ZF 50/1.4, Nikon 50/1.4D and Sigma 50/1.4..

Canon 24mm f/1.4L II

State of the art design in a fast ultra wide angle lens..

Canon EF 11-24mm f/4L USM

Extreme wide angle zoom..

Canon EF 16-35mm f/2.8L III

Is the 3rd time the charm?.

Canon EF 16-35mm f/4L IS

Canon’s compact image stabilized wide angle zoom..

Nikon AF-S 85mm f/1.4G

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

Fujifilm GF 55mm f/1.7

State of the art normal lens..

Hasselblad HC Macro 120mm f/4 II

High performance all-arounder macro lens.

Hasselblad XCD 30mm f/3.5

25mm equivalent..

Hasselblad XCD 35-75mm f3.5-4.5

Normal lens equivqlent to 53mm..

Milvus 25mm f/1.4

Highest performing 25mm from Zeiss ever..

Milvus 50mm f/1.4

Outstanding build and optical quality in a normal lens..

Milvus 85mm f/1.4

Outstanding build and optical quality in a medium tele..

15mm f/2.8 Distagon

Ultra high performance in an extreme wild wide angle lens..

18mm f/3.5 Distagon

A brilliant, but also colorful character..

ZF.2/ZE 21mm f/2.8 Distagon

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

28mm f/2 Distagon

An artist’s drawing tool..

Otus 28mm f/1.4 APO-Distagon

Fast high performance APO wide angle..

Otus 55mm f/1.4 APO-Distagon

Ultra high performance apochromatic normal lens, first in the Otus line..

Otus 85mm f/1.4 APO-Planar

Ultra high performance apochromatic medium telephoto, overview and technical..

Understanding optics

Understanding lens performance..

Ask Lloyd Chambers

Questions and answers on photography and computers and more..

Zeiss ZF.2 and Zeiss ZE Lenses For Canon and Nikon

Zeiss ZF.2 and Zeiss ZE Lenses For Canon and Nikon.

15mm f/2.8 Distagon Zeiss Interview

Q&A on the 15/2.8 Distagon with Dr. Hubert Nasse.

Sony FE 135mm f/1.4 GM

Top-grade telephoto..

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

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

Sigma FE 105mm f/1.4 DG HSM Art

Highly corrected medium telephoto..

Voigtlander FE Nokton 40mm f/1.2 Aspherical

Fast lens speed for versatile rendering..

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

Ultra high grade macro all-arounder..

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

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

Sony Cybershot RX1R II

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

Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH

Fast, bright and highly corrected medium telephoto..

Zeiss Loxia 35mm f/2 Biogon

Manual focus moderate wide angle for full-frame mirrorless..

Zeiss Loxia 50mm f/2 Planar

Manual focus normal lens for full-frame mirrorless..

Zeiss Loxia 85mm f/2.4 Sonnar

Manual focus telephoto lens for full-frame mirrorless..

Zeiss Touit 12mm f/2.8 Distagon

Ultra wide angle lens for Sony NEX or Fujifilm X..

Panoramas with the iPhone 6s Plus

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

Sigma dp0 Quattro

21mm f/5.6 equivalent FOV lens..

Sigma dp2 Quattro

45mm f/2.8 equivalent FOV lens..

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

Leica’s ultra wide angle zoom lens..

Leica 18mm f/3.8 Super-Elmar-M ASPH

Leica’s widest prime lens..

Leica 21mm f/3.4 Super-Elmar-M ASPH

Leica’s best-performing 21mm..

Leica 24mm f/3.8 Elmar-M ASPH

Leica’s best-performing 24mm, and with a flat field..

Leica 28mm f/1.4 Summilux-M ASPH

Leica’s fast 28mm..

Leica 28mm f/2 Summicron-M ASPH (pre-2016)

Leica’s widest lens utilizing built-in frame lines..

Leica 28mm f/2.8 Elmarit-M ASPH (pre-2016)

Leica’s smallest and lightest M lens with superlative performance..

Leica 35mm f/1.4 Summilux-M ASPH (2010 FLE)

Leica’s superlative and most natural lens for the M..

Leica 50mm f/0.95 Noctilux-M ASPH

World’s fastest 50mm full-frame lens..

Leica 50mm f/1.4 Summilux-M ASPH

Leica’s superlative normal lens..

Leica 50mm f/2 APO Flare

Ghosting and veiling and ring flare pre/post production fix..

Leica 75mm f/2 APO-Summicron-M ASPH

Leica’s medium tele for Leica M..

Leica 75mm f/2.4 (2.5) Summarit-M

Leica’s budget 75mm medium telephoto..

Leica 90mm f/2.4 (2.5) Summarit-M

Leica’s compact 90mm for the M..

Zeiss ZM 35mm f/2 Biogon

All around razor sharp performer..

Zeiss ZM 50mm f/2 Planar

Pleasing and relatively inexpensive normal lens.

Voigtlander M 50mm f/1.1

A slightly slower, but smaller and lighter alternative to the Noctilux, at 1/10 the price..



Blog posts, reverse chronological

2023

2023-11-20 Fujifilm GF 55/1.7: Flare, Shaded and Unshaded

2021

2021-09-13 Leica 50mm f/2 APO-Summicron-SL: Veiling Flare, Ghosting Flare, Ray Flare

2021-09-05 Leica 35mm f/2 APO-Summicron-SL ASPH: Severe Veiling Flare Problems

2021-01-25 Leica 28mm f/1.4 Summilux-M ASPH: Flare Behaviors

2021-01-25 Leica 50mm f/2 APO-Summicron-M ASPH: Has Its Flare Control Been Improved after Six Years?

2020

2020-06-10 Hasselblad XCD 35-75mm f/3.5-4.5: Veiling Flare with the Sun Outside the Frame

2019

2019-09-06 Sigma 14-24mm F/2.8 DG DN Art: Evaluating Flare Control

2019-04-25 Leica 16-35mm f/3.5-4.5 Elmarit-SL ASPH: Severe Flare Issues on Panasonic S1R

2017

2017-10-25 Zeiss Milvus 25mm f/1.4 Aperture Series:Flare with Sun Just Out of the Frame

2017-09-01 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Sunstars and Flare (Sunstar Palm)

2015

2015-12-21 Sony RX1R II: Evaluating Flare

2015-11-13 Zeiss 21mm f/2.8 Distagon: Arc Flare vs Zeiss Milvus 21mm f/2.8

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

2015-05-17 Leica 90mm f/2.4 Summarit-M Flare Series: Barn Interior, Angle of Light

2015-04-09 Leica 75mm f/2.4 Summarit-M: Veiling Flare, and Bokeh

2015-03-27 Sigma 24mm f/1.4 DG HSM Art Flare Control: Aperture Series 'Extreme Backlighting, Cherry Blossoms'

2015-03-19 Canon 11-24mm f/4L Aperture Series: Ghosting Flare Series at 24mm

2014

2014-11-09 Flare: Zeiss Loxia 35mm f/2 Biogon and Loxia 50mm f/2 Planar

2014-10-02 Zeiss Otus 85mm f/1.4 APO-Planar: Flare Control

2014-07-06 Sigma dp2 Quattro: Lens Hood and Lens Flare

2014-07-02 Sunstars and Flare with the Canon 16-35mm f/4L IS USM

2014-06-22 Leica 50mm f/2 APO-Summicron-M ASPH: Evaluating Flare with Late 2013 Production Sample

2014-03-26 Leica 16-18-21mm f/4 Tri-Elmar-M ASPH: Flare Assessment

2014-03-16 Panasonic Nocticron 42.5/1.2: Flare

2014-03-03 Leica 24mm f/3.8 Elmar-M ASPH: Aperture Series 'DeChambeau Ranch House

2014-03-03 Leica 18mm f/3.8 Super-Elmar-M ASPH: Aperture Series 'Beaver Pond Meadow'

2014-03-02 Leica 24mm f/3.8 Elmar-M ASPH: Aperture Series 'DeChambeau Yellow Wagon'

2014-03-01 Leica 24mm f/3.8 Elmar-M ASPH: Aperture Series 'Glistening Rocks Waterfall'

2014-02-28 Leica 18mm f/3.8 Super-Elmar-M ASPH: Flare Behavior over Aperture Range

2013

2013-11-25 Leica 75mm f/2 APO-Summicron-M ASPH: Flare Examples

2013-10-24 Leica 50mm f/0.95 Noctilux-M ASPH: Flare

2013-09-15 Leica 50mm f/2 APO-Summicron-M ASPH: Update on the Flare Issue—Leica Confirms “4 Minor Issues” with respect to Lens Flare

2013-08-15 Leica 50mm f/2 APO-Summicron-M ASPH Update on the Flare Issue

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Circular Ring Flare

2013-08-04 Leica 50mm f/2 APO-Summicron-M ASPH: Will Leica Address the Flare Issue?

2013-08-04 Leica 50/2 APO-Summicron-M ASPH vs 50/0.95 Noctilux-M ASPH: Orange Bark Pine, Yosemite (Leica M240)

2013-06-25 Flare Control with Leica M Lenses and Especially the Leica 50/2 APO-Summicron-M ASPH

2013-06-12 Leica 50/2 APO-Summicron-M ASPH: Concentric Flare Rings Plausible Explanation

2013-06-03 Zeiss 15mm f/2.8 Distagon vs Nikon 14-24/2.8 Under Difficult Lighting (Flare)

2013-04-22 Leica 50/2 APO-Summicron-M ASPH: Flare Control

2013-02-25 Flare Assessment — Sigma 35/1.4 DG HSM A1

2012

2012-07-19 Nikon 85mm f/1.4G vs 85/1.8G Veiling and Ghosting Flare

2011

2011-12-05 Leica 21mm f/3.4 Super-Elmar-M ASPH Examples and Flare

2011-10-25 Veiling Flare With and Without a Polarizer

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

2007

2007-10-01 Flare control

2006

2006-07-22 Infrared flare with the 85/f1.2L II USM

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