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Features:
The Bahtinov Mask Made Of Aluminum Alloy, Not Plastic. And It Has Whole Anodizing Aluminium ProcessMasks Now Feature 3 Holes Which Can Be Attached With 3 Screws To Prevent The Mask From Falling All The Way To The GroundPerfect Focusing For Your Ccd, Dslr Or Webcam In SecondsLight Weight So You Wont Upset The Balance On Your ScopeSuitable For Telescopes Front End Diameter 85Mm To120mm,Universal Adaptation, 3 Bolts With Plastic Cover Allow The Mask To Be Simply Attached To Any TelescopeAluminium Alloy Material Thickness: 1 MmWeight: 50GColor: Black