Archived posting to the Leica Users Group, 2000/07/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Austin, its now obvious you are trolling. So have fun. You are now alone on the lake. Rene - ----- Original Message ----- From: "Austin Franklin" <austin@darkroom.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: Monday, July 17, 2000 9:23 AM Subject: RE: [Leica] optical excellence and the human error factor > > W.R.T. to EV being used for Autofocus detection capability they are and I > > quote from the owner's manual. > > > F5 - "Autofocus detection range EV-1 to +19" > > " Metering range EV0 to 20 in 3D colour Matrix, EV2 to 20 in > spot" > > > EOS 1V " AF working range EV0 to 18" > > " Metering range EV0-20 for all metering modes" > > That's all well and good, but these are numbers that for optimal conditions > for the particular system the manufacturer has deployed. The actual real > world range of the autofocus system can vary considerably from the numbers > you (they) quote, depending on scene conditions. Metering is completely > different, and is far more accurate to characterize and give a spec for. > > If you want to discuss this further, perhaps you ought spend some time > learning how the different systems work, and what their shortcomings are. > I have used many autofocus (and autoexposure) systems, and I have found > shortcomings of every one in real world situations. If you understand how > the particular one you are using works, you can then understand how best to > use it, and avoid possible situations that will cause that system to fail. > >