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[ATM] Finally !

hello all,


finally i have been successful in getting an optically
true 4" concave mirror.its focal length is 1828
milimeter (72 inches). i am planning to use 1 inch
secondary (house hold mirror). tube(pvc pipe) is
around 5 inch in diameter with 2mm thickness. eyepiece
will be 30mm (binocular's). is there anything i
should/shouldnt be using.any suggestion from everyone
is welcome !

Saqib




		
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