Thread: ANY Ideas what this 10 inch Objective is from ....???
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Old 08-05-2018, 01:52 PM
Stefan Buda
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Stefan Buda is offline 		 
Join Date: Jul 2013
Location: Melbourne, VIC
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One more comment: The faint purple AR coating is most likely single layer magnesium fluoride on Crown glass.
Interesting that there seems to be a bellows arrangement attached to the cell to allow multiple degrees of freedom for collimation/focusing.
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