Re: K10 and Sigma HSM

2007-01-04 Thread Sylwester Pietrzyk
Why should Sigma do it? They didn't do that for Minolta A mount, althought Minolta (now Sony) SSM lenses has existed for about ten years. On 04.01.2007, at 00:41 , Thibouille wrote: * I really don't think Sigma will go that route. If they do SDM lenses, they will be SDM-only. Cheers, Sylwek

Re: K10 and Sigma HSM

2007-01-04 Thread Thibouille
In the end they will because if they do they will be able to develop lens with only one AF system... lower costs - they will do it IMO. 2007/1/4, Sylwester Pietrzyk [EMAIL PROTECTED]: Why should Sigma do it? They didn't do that for Minolta A mount, althought Minolta (now Sony) SSM lenses has

Re: K10 and Sigma HSM

2007-01-03 Thread Adam Maas
Sandy Harris wrote: The dpreview.com page on the Pentax K10D has this text: Supersonic motors have been available in Canon and Nikon lenses for a while but not yet to Pentax, the K10D is fully compatible with upcoming Supersonic Direct-drive motor lenses, the first of which are expected to

Re: K10 and Sigma HSM

2007-01-03 Thread P. J. Alling
No, the spec. for Pentax's version didn't exist when the lenses were made, so the Pentax versions won't have an in lens motor. Newer ones will eventually appear, most likely. Sandy Harris wrote: The dpreview.com page on the Pentax K10D has this text: Supersonic motors have been

Re: K10 and Sigma HSM

2007-01-03 Thread Dario Bonazza
Current Sigma lenses for Pentax are not HSM, while current Sigma HSM lenses are not for Pentax. If/when they will be released in Pentax KAF-2 mount, they should work. Dario - Original Message - From: Sandy Harris [EMAIL PROTECTED] To: PDML@pdml.net Sent: Wednesday, January 03, 2007

Re: K10 and Sigma HSM

2007-01-03 Thread Thibouille
That's said we will have to check for a couple things: * Pentax DA* with SDM motors are *rumored* to be compatible with usual screwdriver drive. * I really don't think Sigma will go that route. If they do SDM lenses, they will be SDM-only. Weight the pros and cons and decide but of course this

RE: K10 and Sigma HSM

2007-01-03 Thread John Sessoms
From: Sandy Harris The dpreview.com page on the Pentax K10D has this text: Supersonic motors have been available in Canon and Nikon lenses for a while but not yet to Pentax, the K10D is fully compatible with upcoming Supersonic Direct-drive motor lenses, the first of which are expected to