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#1
May 14th 06, 10:48 AM
posted to sci.astro.amateur
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dsign of telescope
any help about the lens dia and size
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#2
May 14th 06, 01:42 PM
posted to sci.astro.amateur
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dsign of telescope
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#3
May 14th 06, 02:09 PM
posted to sci.astro.amateur
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dsign of telescope
wrote in message oups.com... any help about the lens dia and size 3.14159 -- NewsGuy.Com 30Gb $9.95 Carry Forward and On Demand Bandwidth
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#4
May 15th 06, 11:27 PM
posted to sci.astro.amateur
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dsign of telescope
Better to consider a reflecting telescope. There is ray tracing software
for lenses on the web - OSLO EDU is one of the better ones. Plan on spending a lot on the glass as optical glass is not cheap. You buy it by the pound and some of those glasses are over $100 a pound! -- Why do penguins walk so far to get to their nesting grounds?
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