Filtre H-Alpha 5nm pour l'astronomie 2" - SVBONY telescope 1 x Color filter #82A

1 x Color filter #82A

Note that it is not suitable for Newtonian reflector telescopes due to its length

this essential accessory allows you to capture stunning celestial images without distortion of the stars at the edges of your photos

Angle: 90 degrees

Filtre H-Alpha 5nm pour l'astronomie 2" - SVBONY telescope 1 x Color filter #82AFeatures Benefits Compatibility Delivered items Type: H Alpha Filter Size: 2 inches Wavelength range: 300 to 1000 nm Central wavelength: 656. 3 nm Bandwidth: 5 nm Maximum transmission: 90% Substrate thickness: 1. 85 mm Blocking: OD5 Clear opening: 44 mm Surface quality: 60 40 Surface parallelism: 1 4 Parallelism: 30 Thread: M48x0. 75 Net weight: 12. 5 g Improve the contrast and details in astrophotography. Block harmful wavelengths caused by light