----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, October 03, 2003 7:12 AM Subject: *ist-D K Mount Question
> I was playing with an *ist-D and a K lens (the SMC 135 2.5). Shots made wide > open seemed to be exposed pretty well. If I set the lens to a smaller > aperture, I could see it stop down when the shutter was released. But the > exposure and depth of field on the picture appeared to be the same as when > the lens was wide open -- that is, as if the picture was not taken at the > same time that the lens was stopped down. > > Has anyone else noticed the same thing? (Or perhaps my judgment of exposure > and depth of filed was just plain wrong, but I'd expect to see a pretty > obvious difference between shooting at 2.5 and 32). > This is what caused me to think the lens wasn't stopping down during exposure on automatic. It's because it isn't. OTOH, on manual, it seems to work. William Robb
