But I know Sigma plays without any license. Maybe Tokina/Tamron did buy license and as such do not have compatibility problems ?
2006/10/15, Adam Maas <[EMAIL PROTECTED]>: > William Robb wrote: > > ----- Original Message ----- > > From: "David Mann" > > Subject: Re: Pentax Japan delays K10D release date > > > > > > > >> That business model would be a complete disaster in the photographic > >> industry. Most people are only going to use their DSLR with the kit > >> lens(es), which are often third-party anyway. > >> > >> > > > > In most of the world, the kit lens is the same brand as the body. > > Australia/New Zealand seem to be the odd ones out here. > > Canon has the best idea going, they force third party lens makers to do > > a lot more reverse engineering, and from what I have been told by a few > > Canon users, third party lenses have a lot of operational difficulties > > on Canon bodies that were manufactured after the third party lens. > > It's like they are deliberately changing their firmware to screw their > > camera body customers if they choose to use non Canon lenses. > > > > William Robb > > > > That's not entirely true. Both Tamron and Tokina have pretty much nailed > the EF protocols, and they don't normally have issues with newer bodies > unless the lenses are from the early years of EOS. It's Sigma that > continues to have problems with anything electronic (Ironic since their > Sigma AF mount is actually a clone of EOS electrically). > > -Adam > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- Thibault Massart aka Thibouille ---------------------- *ist-D,Z1,SuperA,KX,MX, P30t and KR-10x ;) ... -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
