Even if all else is being held equal due to other factors, a faster lens is still better than a slower lens in terms of viewfinder brightness because your eyes always have the same sensitivity even if the crappy 4/3 sensor doesnt...
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Boris Liberman Sent: Friday, March 09, 2007 12:01 AM To: Pentax-Discuss Mail List Subject: Re: Sigma DP1 I understand... However at minimal ISO the noise is about as good as regular APS cameras, right? Then, for this case only, the f/2 zoom would be beneficial, isn't it? Boris Dario Bonazza wrote: > Adam Maas wrote: > >> It's pretty simple. The 4/3rds cameras are noisy at moderate ISO's. >> 400 >> on a 4/3rds body is as noisy as 800-1600 on a larger sensor. So you need >> faster lenses to be able to shoot in the same light with similar amounts >> of noise. Thus the f2 zooms get you no real boost in speed, since they >> only make up for the lower ISO necessary due to the noisy sensor. > > My thought exactly. > > Dario > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
