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Digital Sensor Technology

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

Optical Aberrations and Behaviors

Understanding the various optical aberrations and behaviors..

Fujifilm GF 45mm f/2.8 R WR

Moderate wide angle equivalent to 37mm f/2.3..

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..

21mm f/2.8 Distagon

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

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..


Blog posts, reverse chronological

2018

2018-09-21 Zeiss Loxia 35mm f/2 Biogon: its Point Spread Function, and Why a Classic Balanced Optical Performance Might be Just Right

2014

2014-12-31 Nikon 20mm f/1.8G ED Aperture Series: Sparkling Lake (Point Spread Function, Aberrations, Sunstars)

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