Newtonian reflector telescope secondary mirror (elliptical) for DIY telescope
Elliptical secondary mirror for Newtonian reflectors with aluminized surface and scratch-protective film. Dimension tolerance 0.5mm; surface accuracy PV 1/4-1/6. Useful for optical axis alignment in DIY setups
Highlights
- aluminized reflective surface
- protective film against scratches
- Newtonian optical axis compatibility
Pros
- aluminized reflective surface
- protective film to reduce scratches
- dimension tolerance 0.5mm
- suitable for Newtonian optical axis alignment
- explicitly designed for DIY telescope projects
Cons
- spherical mirror specification (not elliptical) noted
- customer insights unavailable
- limited rating data available
Best For
Features
- Spherical mirror with aluminized surface and protective film
- Dimension tolerance 0.5 mm for precise sizing
- Surface accuracy PV 1/4-1/6 for optical quality
- Designed as a secondary mirror for Newtonian astronomical telescopes
- Intended to steer the optical axis in DIY Newtonian reflectors