Baader ASBF Solar Binocular Filter OD 5.0 (50–100mm) for Safe Viewing Deep Sky Astrophotography The size is 23

The size is 23

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Construction: Metal OTA

Baader ASBF Solar Binocular Filter OD 5.0 (50–100mm) for Safe Viewing Deep Sky Astrophotography The size is 23Baader ASBF: AstroSolar Binocular Filter OD 5. 0 (50mm 100mm) The Baader ASBF AstroSolar Binocular Filter is specially designed for safe solar observation with binoculars and camera lenses. Made with AstroSolar Safety Film OD 5. 0, this filter ensures high quality solar imaging and observation with minimal stress on the filter material for clear, precise views. Key Features AstroSolar Safety Film OD 5. 0: Provides safe solar observation and protects