Optical 2'' UHC Ultra High Contrast Reduces Light Pollution Filter for Telescope Eyepiece Metal Frame

Description: Brand new 2" UHC filter. Sky background is darker for observations of deep-sky objects. This filter is perfect for observation of faint and low-contrast deep-sky objects. These features make it perfect for observing nebulae and other deep-sky objects. 2 Inch Format : Simply attach to eyepiece-cased in a sturdy transparent case. Significantly reduces light pollution, great for city and suburban observation. Specification: Type: Ultra High Contrast Filter (UHC Filter) Material: Optical Glass Lens, Aluminum Frame Shape: Round Diameter: 2 inch Thread: Standard M48*0.75mm Net Weight: 12.9g / 45 oz Package Includes: 1 Piece 2 inch UHC Light Pollution Reduction Filter