Quoting Perry Pellechia <[EMAIL PROTECTED]>: > On 3/7/06, Adam Maas <[EMAIL PROTECTED]> wrote: > > Perry Pellechia wrote: > > > > >On 3/7/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > > > > > > > >>Quoting Perry Pellechia <[EMAIL PROTECTED]>: > > >> > > >> > > >> > > >>>On 3/7/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > >>> > > >>> > > >>>>I have two mirror lenses and they both work fine on the DS > > >>>> > > >>>>http://members.iinet.net.au/~derbyc/index4/05_09_moon/01.htm > > >>>> > > >>>>They just work like M lenses (with one f-stop), so you use the AE-L > (or > > >>>> > > >>>> > > >>>green > > >>> > > >>> > > >>>>button on the D) method. > > >>>> > > >>>>D > > >>>> > > >>>> > > >>>Derby, > > >>>They are actually easier to use in AV mode. Since they have only one > > >>>aperture setting, setting the camera to AV mode will force open > > >>>aperture metering. The camera will adjust the shutter for each > > >>>exposure by pressing the shutter button. There is no need for the > > >>>extra "manual" step of measure the exposure (green button or AE-L). > > >>> > > >>>Perry. > > >>> > > >>> > > >>> > > >>Ah, very true > > >> > > >>But I still like M. It's useful if the metered exposure is out by more > than two > > >>stops (happens often when taking moonlight shots, and you want to keep > lunar > > >>detail). > > >> > > >>D > > >> > > >> > > > > > >Sure there is a use for M mode but the camera is not going to meter > > >any differently using green-button/M mode and AV mode. > > > > > > > > > > > > Actually it will, Av meters continuously and M sets and holds. > > > > -Adam > > > > > Yes, I know that, but if you are going to set the shutter using the > green button/M mode then I do not see how you would get a different > exposre value than just using AV mode. >
The metering will be the same. But I take a shot, chimp, and if the exposure is out, I adjust the shutter speed. If the metered exposure is out by more than 2 stops, you can't adjust for this using exposure compensation if in Av. Sorry, I should have chosen my words better. D

