Sign in Registration We’re creating the largest and most complete database of photographic lenses in the world! Join us!

All About Photographic Lenses.
Specifications, comparison, reviews,
MTF-charts for lenses by Canon,
Nikon, Sony, Pentax, Olympus,
Sigma, Tamron, Carl Zeiss, etc.

Glossary of Terms (23)

Add Term

A regularly updated collection of terms, definitions, abbreviations and acronyms related to photographic lenses. You must be logged in to add a term.

Sorted in Alphabetical Order

a b c d e f g h i j k l m n o p q r s t u v w x y z

Paging: 1 [ 2 ]

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: Sigma product description
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 16:31:38

Fisheye lens

Lens with a viewing angle of 180 degrees diagonally or horizontally without distortion correction.

Posted by: Sergei Borodin 23.05.2012 16:29:38

Paging: 1 [ 2 ]

Official mobile app "All Photo Lenses" for Android

Official mobile app "All Photo Lenses" for iOS

Glossary of Terms (23)