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
2014-05-31 Zeiss 85mm f/1.4 Planar: Dual-Focus Aperture Series 'Radio Towers' (D800E)
2014-04-08 Color Correction (LOCA, Secondary LOCA, LACA)
2013-04-10 Leica M Monochrome with Color Filters and Leica 50mm f/2 APO-Summicron-M ASPH
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..
Diffuse haze at wide apertures..
Understanding lateral chromatic aberration (color fringing)..
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..
Medium telephoto tilt/shift lens.
Canon’s best-ever medium telephoto and with image stabilization..
Sigma’s fast high performance wide angle..
Sigma’s fast and affordable moderate excellent wide angle..
Sigma’s fast high performance normal lens..
Sigma’s fast telephoto APO macro lenses..
Nikon’s High performance normal lens.
Nikon’s fast ultra wide angle..
State of the art design in a fast 24mm lens. Includes full-resolution images at f/1.4..
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..
State of the art design in a fast 35mm lens..
Compact wide angle.
State of the art normal lens..
Normal lens equivqlent to 45mm..
Highest performing 25mm from Zeiss ever..
Outstanding build and optical quality in a normal lens..
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..
Ultra-wide zoom lens..
High performance wide angle..
Fast wide angle..
Fast and gorgeous moderate wide angle Zeiss design..
Compact normal lens for full-frame Sony mirrorless..
Ultra high grade macro all-arounder..
Comapact ultra-wide zoom for Sony full frame mirrorless..
Full frame camera in an ultra-compact body with or without anti-aliasing filter..
Fast, bright and highly corrected medium telephoto..
Superb ergonomic design in a compact camera..
A bright short telephoto lens..
Manual focus moderate wide angle for full-frame mirrorless..
Manual focus normal lens for full-frame mirrorless..
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..
Moderate telephoto macro lens for Sony NEX or Fujifilm X. Useful on full frame too!.
Ultimate resolution in black and white..
Leica’s fast 28mm..
Leica’s superlative and most natural lens for the M..
High performance but flawed 50mm normal lens..
Leica’s medium tele for Leica M..
World’s best mid-range telephoto lens..
Fast and ultra high performance moderate wide angle rangefinder lens..
Compact high performance medium telephoto..
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
2014-05-31 Zeiss 85mm f/1.4 Planar: Dual-Focus Aperture Series 'Radio Towers' (D800E)
2014-04-08 Color Correction (LOCA, Secondary LOCA, LACA)
2013-04-10 Leica M Monochrome with Color Filters and Leica 50mm f/2 APO-Summicron-M ASPH
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