Posted by Bob Stoddard on October 16, 2000 at 18:19:40:
In Reply to: Re: 80mm W.F. Ektar posted by Bob Stoddard on October 16, 2000 at 18:12:52:
Thanks, Les. I wonder if the data isn't really for a small stop, even though it's stated to be for maximum aperture. An image circle of 152mm represents about 87 degrees of angular coverage, larger than any of the other WF Ektars... RKS