Originally posted by Not a Number I'm for this. We can always enter the min and max f stops manually as you do with the lens length for shake reduction. No need to rely on the A contacts for this. Maybe people will stop mangling the mounts on the old glass to use on their Canon bodies if the value on old glass goes up for Pentax users.
If not on a Pentax body perhaps un-cripple the mount for a K-mount sensor module for the Ricoh GXR.
Originally posted by Eulogy If you could develop a way to add an "A" setting to old M lenses, Pentax would probably sell it just to make the money. But decrippling the K mount at this point would primarily reduce sales of new lenses(Which are already low, thanks to the absurd pricing currently)
Not saying I wouldn't like it. They could also make it detect when aperture data isn't be transmitted, and stop it down to meter when you halfway depress the shutter.(Much like AF, but instead AE) Would probably cost less to implement, and give more accurate results in the end.
Originally posted by Tanzer I'm all for it, but I can't believe Pentax will really do this as there isn't enough upside potential (i.e., $$) for them. The only thing that might force this to happen, is if people really started hacking their lenses left and right to work on Canon or some other body (hence threatening body sales) or if someone came up with a Magic Lantern hack to automate the stop-down metering sequence. Then they would spend the $5 in plastic parts to bring back the aperture coupler, just to negate the external threats.
the ability to program max and min aperture and shoot like an A series has been hashed to death, it won;t work reliably because before A lenses the lever was an on off switch with the aperture linkage movement proportional to the diameter of the aperture not the area, so resolution would be sketchy at best. it would also not help on M42 lenses
but the point is, dual flash metering existed in the digital world, and was great on the *istD, worked with all lenses even M42. a pro camera at least should have it because there are times when TTL is still better, including wild life. (my specific interest)