Monocular CCD Filter Camera Telescope Narrowband Astronomy Photographic H-Alpha

Description

Monocular CCD Filter Camera Telescope Narrowband Astronomy Photographic H-Alpha
Features:
High cutoff is effective the light damage and other stray light
Clip filter design reduces internal reflection and color cast shift
Using imported glass, using double-sided polishing processing
For the emission line 656nm transmittance of 85% or more
The narrow-band filter, even in areas where light pollution is heavy, and the full moon (the moon's largest and brightest) is the same, very narrow bandwidth, which reduces the interference of the external environment, but  The weather is when the haze and cloudy not possible arrive it.
Precision CNC integrated molding
Multi-layers anti-reflection coating
Frame with high-quality aluminum alloy material, anodized extinction treatment
Lined with double-layer EVA damping cotton
Carton PP environmentally friendly materials, simple and beautiful
Package Includes:
1 X EOS-C H-Alpha 7nm Filter
1 X PP Material Plastic Box