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Re: Metal versus plastic or better telescope?
From: Alexandre Eremenko
Date: 2012 Mar 27, 22:38 -0400
From: Alexandre Eremenko
Date: 2012 Mar 27, 22:38 -0400
Frank, On Tue, 27 Mar 2012, Frank Reed wrote: > With a 30x scope, you should find with a metal sextant that you get the > same IC over and over again to the limiting precision of reading of the > micrometer (in other words, you'll get +0.4 ten times in a row without > fail). Could you give more detail? What 30x scope, and how do you attach it to a sextant? Alex.