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See also: longitudinal chromatic aberration, optics
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Nikon AF-S Nikkor 200mm f/2G ED VR II

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

Sigma 50mm f/1.4 DG HSM Art

Sigma’s fast high performance normal lens..

Nikon AF-S Nikkor 58mm f/1.4G

Nikon’s High performance normal lens.

Sony FE 35mm f/1.4 Distagon ZA

Fast and gorgeous moderate wide angle Zeiss design..

Sony Planar T* FE 50mm f/1.4 ZA

Fast high performance normal lens of Zeiss design..

Sony FE 55mm f/1.8 ZA Sonnar

Compact normal lens for full-frame Sony mirrorless..

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

Ultra high grade performer at a modest price..

Zeiss Batis 40mm f/2

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

Zeiss Batis 135mm f/2.8 APO-Sonnar

Apochromatic pin-sharp medium telephoto for Sony full-frame mirrorless..

Panoramas with the iPhone 6s Plus

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


Blog posts, reverse chronological

2018

2018-10-19 Zeiss Batis 40mm f/2 CF Aperture Series: Evaluating Secondary Color

2018-07-31 Zeiss Milvus 100mm f/2M Color Correction Shootout vs Nikon 105mm f/2 DC and Sigma 105mm f/1.4 DG HSM Art: Glacial erratic and eroded pine stump

2018-07-11 Reader Question: Color Rendition of Lenses

2016

2016-08-11 Sony Planar T* 50mm f/1.4 ZA Examples at f/1.4 + Color Correction Evaluation

2015

2015-09-17 King of Bokeh, well-controlled SLOCA?

2015-09-16 Leica 28mm f/1.4 Summilux-M ASPH: Analysis/Example of SLOCA (Secondary Longitudinal Chromatic Aberration)

2015-09-13 On Secondary Color: Collective Context-Dropping regarding Zeiss Milvus 50/1.4 Distagon

2015-05-19 Sony FE 28mm f/2: Assessing Focus Shift and Color Correction and Sharpness at Close Range (Dolls, Sony A7R)

2015-04-11 Sony FE 35mm f/1.4 Distagon: Assessing Focus Shift and Color Correction (Dolls, Sony A7R)

2014

2014-04-08 Color Correction (LOCA, Secondary LOCA, LACA)

2014-04-02 Zeiss Otus 55mm f/1.4 APO-Distagon: Secondary Color Correction Comparison (Canon 5D Mark III)

2014-03-31 Secondary Color Correction with Leica 90/2 APO, Zeiss ZM 85mm f/4 Tele-Tessar, ZM 85/2 Sonnar: Barn Interior (Leica M240)

2013

2013-07-26 Leica 35mm f/1.4 Summilux-M ASPH: Glacial Erratics and Focus Placement (Leica M Typ 240)

2011

2011-05-02 Focal Length (Working Distance) and Color Correction With Nikon AF-S 60mm f/2.8G ED Macro

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