Archived posting to the Leica Users Group, 2000/11/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> Saturn is some 20 arcseconds wide. You will need 500 lpm to even > see more than light point. To see rings I suppose you will need > some 5000 lpm :-) 40 arcseconds for the rings. It needs an objective aperture of at least 100 mm to picture it clearly, and a resultant focal length of 6 meters. JMB