Lunar LambadaPosted By Robert Brown |
Thanks for sharing Linton! I book marked it.Great lunation.
Posts Made By: Robert Brown
November 15, 2005 01:49 PM
Forum:
Solar System Observing
August 26, 2008 07:55 PM
Forum:
Eyepieces
focus questionPosted By Robert Brown |
As a general approximate rule an eyepiece will focus at a distance(measured from field lens) from the focal plane equal to its focal length.
Longer focal length eyepieces will focus farther "out" compared to shorter focal length ones.
Longer focal length eyepieces will focus farther "out" compared to shorter focal length ones.
Funding Member
