Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 1.25"
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Detailed description coming soon. Item is in stock and ready to ship.
WARNING: Optolong filters are not designed for direct solar observation. NEVER use these filters for observing or imaging the Sun, or permanent eye and equipment damage will result.
Useful Resources
Filter Cell Specifications
D = Filter Cell Diameter = 31.3 mm / 1.23 in
T = Total Filter Height = 6.8 mm / 0.26 in
C = Filter Cell Height (Excluding Male Thread) = 4.8 mm / 0.18 in
M = Male Thread Length = 2.0 mm / 0.07 in
F = USABLE Female Filter Thread Length = Not threaded, so you cannot stack additional filters
S = Glass Substrate Thickness = 2 mm / 0.07 in
CA = Clear Aperture = 26.1 mm / 1.02 in
Other Information
- Country of Manufacture: China
Detailed description coming soon. Item is in stock and ready to ship.
WARNING: Optolong filters are not designed for direct solar observation. NEVER use these filters for observing or imaging the Sun, or permanent eye and equipment damage will result.
Detailed description coming soon. Item is in stock and ready to ship.
WARNING: Optolong filters are not designed for direct solar observation. NEVER use these filters for observing or imaging the Sun, or permanent eye and equipment damage will result.
Useful Resources
Filter Cell Specifications
D = Filter Cell Diameter = 31.3 mm / 1.23 in
T = Total Filter Height = 6.8 mm / 0.26 in
C = Filter Cell Height (Excluding Male Thread) = 4.8 mm / 0.18 in
M = Male Thread Length = 2.0 mm / 0.07 in
F = USABLE Female Filter Thread Length = Not threaded, so you cannot stack additional filters
S = Glass Substrate Thickness = 2 mm / 0.07 in
CA = Clear Aperture = 26.1 mm / 1.02 in
Other Information
- Country of Manufacture: China
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Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 1.25"