Archived posting to the Leica Users Group, 2007/01/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 06:14 PM 1/19/2007, Don Dory wrote: >Marc, >I appreciate the clarification, but in general have more capability than >you >can use is better than less. When birding the over age dinosaurs seem to >hide in dark thickets and deep inside fir tress and Magnolia's so I thought >a little over kill was a good thing. :) Save that it does you no good at all. If your eyes in dark conditions only open to 4mm, then an exit pupil larger than that is completely wasted and of new use: the laws of physics forbid the cramming of a 7mm cone of light into a 4mm hole. And to get that 7mm exit pupil, the camera has to be a lot heavier and larger than one with the smaller exit pupil. This is discussed regularly, as I noted, at both Better View Desired and on a number of astronomical lists. Marc msmall@aya.yale.edu Cha robh b?s fir gun ghr?s fir!