300mm 2.8 AF: Sigma vs Pentax

[Digital Image Studio]

On 13/08/07, P. J. Alling <webster26 at mindspring.com> wrote:
> That's not what Robb is screaming, about and Pentax's crop factor is
> more like 1.55, and Canon's small sensor is closer to 1.64, though it
> varies from camera model to camera model.

The Pentax is CF 1.53 if you want to get pedantic ;-)

-- 
Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110 UTC(GMT) +10 Hours
pdml at swiftdsl.com.au
http://picasaweb.google.com/distudio/PESO
http://home.swiftdsl.com.au/~distudio//publications/
Pentax user since 1986, PDMLer since 1998