[MF3D.FORUM:1339] Re: Larger aperture size for twin rig shots?

["Don Lopp" <dlopp@xxxxxxxxxxxxxxx>]

Sorry I forgot to say that with a stereo base of  24 inches the stereo depth
with 75 mm lenses is aproximately--130 feet to about 4000 feet assuming good
optics and a clear day ? DON
----- Original Message -----
From: "Abram Klooswyk" <abram.klooswyk@xxxxxx>
To: "Medium Format 3D Photography" <MF3D.Forum@xxxxxxxxxxxxx>
Sent: Tuesday, November 14, 2000 2:36 PM
Subject: [MF3D.FORUM:1337] Re: Larger aperture size for twin rig shots?


> Don Lopp 12 Nov 2000:
> >I am at a loss to understand how one can successfully
> >utilize a 7 ft window with M F stereo. Depth of focus
> >requires at least f 32 or f 45 ...
>
> Not all pictures need reaching to infinity, in fact
> the best part of normal (about 65 mm) base stereopictures
> is often between 7 and 10 feet (2 to 3 m).
> When depth of field is restricted, it is better to cut
> at the far end of the scene than at the near end, in
> my opinion. At infinity there is no stereoperception...
> (Not specific for MF.)
>
> Abram Klooswyk
>
>