FWIW - I have the FA 300mm f4.5, Its a wonderful lens even if it doesn't have a tripod mount.
Unless you absolutely, positively need the extra light a 2.8 aperture provides, I find it very hard to justify the extra cost of the 2.8 300mm over the 4.5 300mm. Kenneth Waller http://tinyurl.com/272u2f ----- Original Message ----- From: "John Sessoms" <[EMAIL PROTECTED]> Subject: re: 300mm 2.8 AF: Sigma vs Pentax > From: > "syb vis" >> I really love the 300mm (actually 450mm) focus distance on a dslr. >> >> But which one is better value for money? The 300mm F2.8 Autofocus by >> Sigma or by Pentax? >> Or can i stick to my smc tak 300/4 m42-mount with m42-pk-adaptall? (I >> have already bought that one, so that will not be very expensive any >> more...) > The Sigma 300 f/2.8 [PKAF mount] is an excellent lens, giving good value > for the price. > > I have one, and it cost me less than half the quoted price for the > Pentax FA-300 f/2.8. A moot point actually, because at the time I bought > the Sigma lens, no one I could find had the Pentax FA-300 f/2.8 lens in > stock or was able to order it. I took what I could get. > > One drawback to the Sigma lens ... since it's not a Pentax lens, you > won't be able to submit photos taken with it to the Pentax Gallery, even > if you do mount it on a Pentax DSLR. > > -- > 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
