On 22/12/06, Adam Maas <[EMAIL PROTECTED]> wrote: > Actually, you're missing something in your comparison. The mirror. SLR > wide angle lens designs are very different from RF designs. Leica SLR > lenses actually have one of the longest register distances and Canon one > of the shortest. And Leica couldn't go FF on the M because of the issue > of corner illumination, but this was due to the very close distance > between the rear element of some M lenses and the sensor (this is also > the reason for the thin and less effective IR filter on the M8) and even > then they had to do some magic (offset microlenses) to get it to work right. > > Also there's the issue that Canon's ultra-wide lens designs aren't the > greatest. They're competent but not up to the better designs from the > competition. > > That said, I suspect K mount won't have severe issues on full frame, > given how well adaptor-mounted wide-angle lenses from Nikon and Contax > perform on the 5D and 1Ds's (C/Y mount and F mount both have similar > throat sizes and longer registers than K mount).
Spot on Adam, well said. All the naysayers are beleaguered by FUD injected by marketeers knowing that they simply have no FF products to sell or others touting why they do and others don't. -- Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://home.swiftdsl.com.au/~distudio//publications/ Pentax user since 1986, PDMLer since 1998 -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
