Thread: Secondry Offset GSO 200x800 reflector.
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Old 23-06-2008, 10:07 PM
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anthony.tony
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Location: Canowindra NSW Australia
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Secondry Offset GSO 200x800 reflector.
Hello ther I own a GSO 200x800 reflector I hacksawed some of the OTA off. Now I can get focus with my 350D canon camera this was done 11 months ago.It is an F4. that make it good for imaging.How important is the secondary mirror offset when I collimate it.How do I work out how much to set the offset.Reguard's Tony
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