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MTF-charts for lenses by Canon,
Nikon, Sony, Pentax, Olympus,
Sigma, Tamron, Carl Zeiss, etc.
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Glossary of Terms (23)
A regularly updated collection of terms, definitions, abbreviations and acronyms related to photographic lenses. You must be logged in to add a term.
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OS
Abbreviation used by Sigma to mark Optical Stabilizer Function in their lenses. Usually contained in lens name eg. (18-50mm F2.8-4.5 DC OS HSM) Translated to Canon terminology it equals to IS (Image Stabilizer)
Source:Posted by: Radovan 24.02.2013 18:12:43
Soft lens
Special portrait lens that allows for taking softened photos without additional filters thanks to its special optical design.
Posted by: Sergei Borodin 23.05.2012 16:31:38Fisheye lens
Lens with a viewing angle of 180 degrees diagonally or horizontally without distortion correction.
Posted by: Sergei Borodin 23.05.2012 16:29:38Paging: 1
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