Fast lens

From Camera-wiki.org
Revision as of 09:23, 4 October 2014 by U. kulick (talk | contribs)
Jump to: navigation, search

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(>

"fast" classification

format benchmark quite fast lens common fast lens notes about the "very fast" definition given above
large f2.5 f3.5 f6.3 f2.5 equals the benchmark set by the Kodak Aero in 1940
medium f1.8 f2.8 f3.5 f2.0 pushed the available light photography with the Ernostar in 1924
35mm f0.95 f1.4 f1.7 f1.6, because faster than f1.7, a lens speed which is almost average for the SLR normal lenses since the 1960s which were also the kit lenses. Fast lenses for leaf shutter SLRs reach only f1.9 max. lens speed.
APS-C f0.95 f1.8 f2.8 f1.4 because smaller format than 35mm requires faster lenses for achieving almost similar depth of field
Micro Four Thirds f0.95 f1.8 f2.8
cine lens (C-mount) f0.95 f1.4 f1.7

large format


medium format

35mm

                                   

APS-C format

average "fast lens" samples