Rob is right. An often overlooked fact. Regards Ralph W. Lambrecht On 9/13/04 9:46 PM, "Rob Champagne" <psps@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Ah but as the focal length gets shorter and the "depth of field" gets longer > the "depth of focus" at the film plane gets shorter so what you gain in one > hand you lose in the other making film plane and focus accuracy critical. > > rob > > At 13/09/2004 13:29 -0500, you wrote: >> Michael Healy wrote: >>> >>> (snipped)...Speaking of FWIW, you should see what the 6-1/2x8-1/2 >>> Bausch+Lomb 158mm Zeiss >>> Protar Series V does on an 8x10... >>> >> >> Drool, drool. 210 is my short 8x10 lens, and I love >> what 90 does to the world on 4x5, so I salivate at the >> thought of something this short. And as the lens gets >> shorter we fortunately find the depth of sharp focus >> improving, so it's maybe not so necessary to part with >> massive cash for a larger image circle for corrections. >> >> John - I should have mentioned, re our older slower >> lenses. Close the dark cloth below the camera too, >> shut out all extraneous light so your eyes will open up >> more. Poor man's fast lens. >> >> Regards... Dick Gifford >> >> >> ============================================================================= >> ================================ >> To unsubscribe from this list, go to www.freelists.org and logon to your >> account (the same e-mail address and password you set-up when you >> subscribed,) and unsubscribe from there. > > ============================================================================== > =============================== > To unsubscribe from this list, go to www.freelists.org and logon to your > account (the same e-mail address and password you set-up when you subscribed,) > and unsubscribe from there. ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.