Re: Focal length vs. field of view: A fixed relationship?

2001-04-26 Thread Rob Studdert
On 25 Apr 2001, at 13:20, [EMAIL PROTECTED] wrote: > I realize that attributes such as focal length may vary slightly from > sample to sample. But many of you have commented that a 20's FOV is > dramatically wider than a 24, and my Zeiss is only modestly wider. I > thought the relationship betwee

Re: Focal length vs. field of view: A fixed relationship?

2001-04-25 Thread Rofini
Paul Stregevsky discovers: >I couldn't wait to attach my new Carl Zeiss Jena MC (multicoated) Flektogon >20/2.8K to my Super Program and finally see what I've been missing: > >The SMC 24 is said to have a field of view of 84 degrees. I expected my >20mm to have a FOV of 94 degrees, or 12% wider.

Re: Focal length vs. field of view: A fixed relationship?

2001-04-25 Thread William Robb
If your Zeiss 20mm has an actual focal length of, say, 22mm, then that would be a modest increase in FOV over your 24mm. William Robb - Original Message - From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: April 25, 2001 11:20 AM Subject: Focal length vs. field of v