Re: *ist/*istD are crippled because Pentax kneecapped them (was: *ist D revisited

2003-06-07 Thread Peter Alling
to make it possible to at least limp by with K/M lenses. You want to defend Pentax that's fine but what we are seeing is what happens when second rate marketers take over control of a company. At 05:23 PM 6/7/03 +0200, you wrote: To: <[EMAIL PROTECTED]> Subject: Re: *ist/*istD are cr

Re: *ist/*istD are crippled because Pentax kneecapped them (was: *ist D revisited)

2003-06-06 Thread Anthony Farr
With onboard computers in todays cameras it would be simple to have a different protocol for different lens series, after all we know what protocol an *ist selects for K/M series lenses. If that is the case, the *ist could possibly use one protocol for A and F lenses, another for FA lenses to hand

*ist/*istD are crippled because Pentax kneecapped them (was: *ist D revisited)

2003-06-06 Thread Anthony Farr
OK, so without an aperture simulator the camera doesn't know what the working aperture is unless it's set to "A", when the camera tells the lens what to do, rather than the lens telling the camera what it's done. This exchange is made electrically through the A contacts on the face of the camera a