Mailinglist Archives:
Infrared
Panorama
Photo-3D
Tech-3D
Sell-3D
MF3D

Notice
This mailinglist archive is frozen since May 2001, i.e. it will stay online but will not be updated.
<-- Date Index --> <-- Thread Index --> [Author Index]

T3D Re: Film plane mark on SLRs (TECH-3D digest 365)

  • From: bobh@xxxxxxxxxxxxxxxxxx
  • Subject: T3D Re: Film plane mark on SLRs (TECH-3D digest 365)
  • Date: Thu, 24 Sep 1998 21:30:07 -0700
RE: Bruce Springstein's question...the measuring from the film 
plane is only correct WHEN USING THE DISTANCE MARKS in ft. 
or meters on  the lens mount. Optical formulae still want the center 
nodal points which on some lenses can be considered at the 
diaphragm. BobH
(and of course focal length is lens to film plane at infinity setting.)
Bob Howard (bobh@xxxxxxxxxxxxxxxxxx)
SEND NO PIX OR PROGRAMS TO LIGHTSIDE!!
 Instead send those to:
robhoward@xxxxxxxxxxx  or   bobh626@xxxxxxxxxxx
  or wa6dli@xxxxxxxxxxxxxx


------------------------------