Often the quality of faster glass is better than that of slower (larger aperture number) lenses, although that's not always the case. Also, you can shoot and focus better in low light situations.
IAC, of course you can "compensate" with longer exposures or slower shutter speeds. Shel > [Original Message] > From: eric > Been looking at some wide angle lenses for my DL, and been noticing that > while any truly wide angle lense is awfully expensive (yeah, I know, > photography is an expensive hobby), the ones with big aperatures are > noticeably cheaper than those with small aperatures, numerically > speaking (i.e a 1:2.8 is more than one with 1:3.5). > > I know the aperature controls how much light enters the lens (along with > shutter speed), and a smaller aperature number means more light can > enter. Other than making it easier to get an in-focus picture while > hand holding the camera, what other reason would I want to get a smaller > number aperature? Considering 90%+ of my photography is done of > non-moving subjects, and using a tripod, can I compensate with a slower > shutter speed, or longer exposures? -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
