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Re: Inverting telescope for sextant
From: Alexandre Eremenko
Date: 2013 Dec 17, 10:41 -0500
From: Alexandre Eremenko
Date: 2013 Dec 17, 10:41 -0500
Yes, I forgot to mention the wires, they can be mounted in any Kepler scope, but not in the Galileo scope. So one may conclude that a prismatic and an inverting scope give you the same picture, but the inverting one a) has smaller weight, and b) lets somewhat more light through. Alex. > On 12/17/2013 2:54 AM, Alexandre Eremenko wrote: >> The only modern sextant that I know which uses a classic, inverting >> Kepler >> scope >> (without prisms or extra glass) is SNO-T. >> Everyone who tried an SNO-T inverting thinks it is better than >> usual sextant telescopes. >> The quality of image, magnification and field of view is like in a good >> prismatic, but the weight is much less. > > Also of note are the wires (like a rectical) to help orient the sextant > to the horizontal. > > > : http://fer3.com/arc/m2.aspx?i=125786 > > > >