Difference between revisions of "Fast lens"

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|image_text= [[Kodak Lenses|Kodak Aero Ektar]] f2.5 7" lens
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|image_text= Kowa 1:1.4 f=50mm Prominar
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Revision as of 13:10, 3 October 2014

This article is a gallery of very fast lenses (see also lens speed) beyond average "fast" definition.

For APS-C format these are lenses with max. aperture of at least f1.4!<br(> For 35mm film frame format these are lenses faster than max. aperture f1.7 since
the average 50mm SLR system standard lens already has a speed of f1.7 or f1.8!
For medium format these are lenses with max. aperture of at least f2.0!<br(> For large format these are lenses with max. aperture of at least f2.5!<br(>

large format


medium format

35mm

                                   

APS-C format