Canon doesn't use an APS-H format, Canon uses a 1.3 crop sensor with actual physical dimensions of 29x19mm roughly the same 3:2 aspect ratio as APS-C and DX. In fact actual APS-C would be 25.1mm x 16.7mm which is a bit larger than the canon "APS-C" sensor which is actually 22x15mm as well. A real APS-H would be an aspect ration of 16:9 the same as HDTV with actual dimensions of 30.2x16.7mm. If you're going to be pedantic get it right.
Adam Maas wrote: >The new 40 is smaller, although the 21 and 70's are closer to the old 40 >in size. The new 40 covers FF, but is billed as a DA lens, the 21 is DA, >the 70 is unknown at this time. > >DA is Pentax's term for lenses for the DX format, which is not APS. >(Canon uses the APS-H and APS-C formats) DX is a Nikon-derived format >slightly larger than APS-C. Pentax and Sony/Minolta also use DX format >due to using sensors originally designed to Nikon's specs. > >-Adam > > >J. C. O'Connell wrote: > > >>I wasn't aware that they had added a new pancake and already >>Stated that. Is it as small as the original pancake? I still >>Am not clear as to whether the new one is APS or FF? >>jco >> >>-----Original Message----- >>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of >>gfen >>Sent: Tuesday, October 10, 2006 2:18 PM >>To: Pentax-Discuss Mail List >>Subject: RE: Well, that's it, I cracked. >> >>On Tue, 10 Oct 2006, J. C. O'Connell wrote: >> >> >> >>>Sorry for my error, isnt this a APS only format lens? >>> >>> >>He zigs, he zags! >> >>Wasn't that the topic of discussion here? Refusal to buy a Pentax DSLR >>because you can't use your K mount lenses the way that God intended them >> >>to be? That Pentax "professional" DSLRs should include this option (and >>for the record, I'm not disagreeing with you, no sir, I agree completely >> >>on this, but even I relented and am attempting to move on)? >> >>And then, to back it up, you offered us the inability to use the >>M40/2.8, >>only to be stymied when you realized there wasn't just an updated >>40/2.8, >>but additional pancake lenses in the line? >> >>Maybe your argument gets easier to follow upon subsequent readings, but >>on >>our maiden voyage here, I'm not sure I can figure out the destination >>we're piloting to. >> >> >> >> >> >> > > > > > -- Things should be made as simple as possible -- but no simpler. --Albert Einstein -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
