That's because the sensor in the Canon is slightly different in size to that in the Pentax (at least I think that's the case). Mark was referring to the Pentax when he mentioned a factor of 1.5. A factor of 1.6 applies to the Canon.
Cheers Brian ++++++++++++++++++++++++++++++++++ Brian Walters Western Sydney Australia http://members.westnet.com.au/brianwal/SL/ Quoting ann sanfedele <[EMAIL PROTECTED]>: > Hey, Mark > > Adam called it 1.6 in another post :) > > > > Mark Cassino wrote: > > >Assuming you are using a Pentax DSLR - the focal > >length compared to a 35mm camera is 1.5x greater. So > >the 28mm is a 42mm - quite a nice angle of view IMO. > >Someday I hope to find a fast 28 prime to use as a > >normal lens... > > > >Your 100mm macro is like a 150. The lenses don't > >magnify any more that on 35mm, but because the sensor > >is smaller the angle of view is narrower. It's like > >cropping a full framed 35 shot down. > > > >HTH - > > > >MCC ---------------------------------------------------------------------- Get a free email address with REAL anti-spam protection. http://www.bluebottle.com/tag/1 -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
