On Tue, Jul 22, 2008 at 8:11 PM, Bruce Walker <[EMAIL PROTECTED]> wrote: > P. J. Alling wrote: >> >> Lucas Rijnders wrote: >> >>> Op Mon, 21 Jul 2008 17:03:28 +0200 schreef Scott Loveless >>> <[EMAIL PROTECTED]>: >>> >>> >>>> Is anyone else starting to wonder why Pentax isn't making Ltd lenses in >>>> other mounts? >>>> >>>> >>> Tokina suspiciously has a 35/2.8 macro, all of a sudden... >>> >>> >>> >> >> It looks like a very different design cosmetically. >> >> > > That's really strange (to me anyway). I have one of the Pentax 35mm > Ltds, and quite clearly the outward appearance of the Tokina is nothing > like the Pentax. The Tokina's filter size is different (52mm vs Pentax' > 49mm), and it weighs a fair bit more too (340g vs Pentax @ 215g). I > guess the extra weight is the addition of an AF motor req'd by Nikon and > Canon. The Ltd assumes the Pentax body's screw drive. > > But all the optical characteristics match *very* closely between the two > lenses -- pretty much one-to-one. Is it possible that Tokina is using > the identical glass (minus SMC) and has wrapped their own casing around > it all? > > -bmw
Almost assuredly so, they're already doing that for the 50-135, 16-50 and 10-17 (and Pentax does the same for the Tokina 12-24). Same optical design, different coatings and physical design. -- M. Adam Maas http://www.mawz.ca Explorations of the City Around Us. -- 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.
