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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..

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..

Voigtlander 20mm f/3.5 Color-Skopar

Very compact ultra wide angle..

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 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..

Canon EF 16-35mm f/2.8L III

Is the 3rd time the charm?.

Hasselblad HC Macro 120mm f/4 II

High performance all-arounder macro lens.

Hasselblad XCD 35-75mm f3.5-4.5

Normal lens equivqlent to 53mm..

Pentax 645 Lenses (645D tests)

A variety of 645 lens tests on the 645D.

18mm f/3.5 Distagon

A brilliant, but also colorful character..

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..

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 M 50mm Lenses

Six models to choose from..

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-Summicron-M ASPH

The world’s best 50mm lens is outstanding, but with some limits..

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..

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

2020

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

2015

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

2013

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

2011

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

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