S Dilworth wrote: ...I\'d argue the EF 24-105mm f/4L is the equivalent full-frame lens to the EF-S 17-55mm f/2.8. ...it provides images with approximately the same field of view, depth of field, shutter speed, and noise characteristics; in other words, equivalent images.
I\'ll have to disagree about providing the same shutter speed. For a given exposure level, an f/2.8 lens will yield a faster shutter speed than an f/4 lens, regardless of the sensor size.
My Sekonic L-758DR light meter has a lot of modes and settings, but \"What sensor size?\" isn\'t one of them.
Jan 28, 2012 at 04:56 PM
Previous versions of BrianO's message #10289115 « Why no IS on the 24-70 f2.8? »
