Compatible for Celestron CLS Telescope Filter 1.25/2 Inch | CLS structure softens urban glow for celestial observation and imaging(EOS-C)
Special Features
- Suppresses urban sky glow to raise contrast of nebula and galaxy targets during visual astronomical observation.
- Supports three mounting forms: 1.25 inch, 2 inch and EOS-C interface to match eyepieces and camera adapters.
- Precision polished optical surfaces maintain steady transmission of key deep-space spectral wavelengths.
- Compact circular build enables quick swapping with other optical inserts for different viewing targets.
- Designed for naked-eye stargazing and deep-sky frame capture in locations with elevated ambient sky brightness.
Description
High-concerned chemical : None
Size : 1.25''/2''/EOS-C
Thread : Standard M28.5*0.6/Standard M48*0.75
Type : City Light Suppression Filter (CLS Filter)
Filter Thickness : 1.85mm
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