Product Description
This is a precision, CNC machined 48 mm ID spacer ring that is 3 mm thick. It provides 3 mm of additional space between the field flattener and the imaging camera.
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Product Reviews
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Adapter
I needed to achieve the requird back focus between my RedCat 51 and ZWO ASI533MC CCD camera. The Stellarvue expert staff helped me do this by promptly sending me this adapter.
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Great fit and great quality!
The best thing is the great service!