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50mm Round Optical Hydrogen Beta Filter



SBIG 50 mm round optical filters are compatible with FW8S-STXL filter wheels.  Also work with the older self-guided STXL filter wheels. These filters are built for SBIG to our exacting specifications.  All filters are parfocal, which avoids unnecessary refocusing. They are typically 3mm thick, and 50.8mm in diameter.


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