Sharpness and Blur by Optics
Blur from optical behavior or subject-related issue..
See also: optics
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2015-09-17 King of Bokeh, well-controlled SLOCA?
2015-09-13 On Secondary Color: Collective Context-Dropping regarding Zeiss Milvus 50/1.4 Distagon
2014-06-07 Sigma 50mm f/1.4 DG HSM: Discussing Optical and Autofocus Expectations, LOCA
2014-04-08 Color Correction (LOCA, Secondary LOCA, LACA)
2012-07-16 Understanding Longitudinal Chromatic Aberration with the Zeiss 100mm f/2 Makro-Planar
2012-05-21 Filtration for Leica M Monochrom to Improve Image Sharpness and Tonal Separation
Blur from optical behavior or subject-related issue..
Understanding Longitudinal (Axial) chromatic aberration (LOCA)..
Secondary Longitudinal Chromatic Aberration (SLOCA)..
How to verify a good sample and assess all aspects of lens performance..
Illuminating examples of lens behavior..
Medium telephoto with world-class chromatic correction..
Telephoto with world-class chromatic correction..
Sigma’s fast high performance normal lens..
Sigma’s fast telephoto APO macro lenses..
Nikon’s High performance normal lens.
An ultra-fast older design still offers appeal on modern digital..
A superlative multi-spectral lens with perfect color correction..
A fast moderate wide angle lens with some practical difficulties..
An artist’s drawing tool..
Strokes of a master..
Fast high performance APO wide angle..
Ultra high performance apochromatic normal lens, first in the Otus line..
Rendering style, bokeh and 'transparency' without peer..
True-to-life imagery..
King of bokeh! Corner-to-corner sharpness, world class..
Beautiful bokeh, razor sharp, superb color correction..
Fast and gorgeous moderate wide angle Zeiss design..
Compact normal lens for full-frame Sony mirrorless..
Ultra high grade performer at a modest price..
A bright short telephoto lens..
Autofocus wide angle for Sony full-frame mirrorless..
All-around slightly wide angle/normal with close focus..
Autofocus portrait lens for Sony full-frame mirrorless..
Leica’s fast 28mm..
The world’s best 50mm lens is outstanding, but with some limits..
2015-09-17 King of Bokeh, well-controlled SLOCA?
2015-09-13 On Secondary Color: Collective Context-Dropping regarding Zeiss Milvus 50/1.4 Distagon
2014-06-07 Sigma 50mm f/1.4 DG HSM: Discussing Optical and Autofocus Expectations, LOCA
2014-04-08 Color Correction (LOCA, Secondary LOCA, LACA)
2012-07-16 Understanding Longitudinal Chromatic Aberration with the Zeiss 100mm f/2 Makro-Planar
2012-05-21 Filtration for Leica M Monochrom to Improve Image Sharpness and Tonal Separation