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HD Short Axis Secondary Mirror 20mm / 40mm / 50mm For DIY Newtonian Refractor Monocular Binoculars Astronomical Telescopes
Specifications:
- use for: Reflective D76F700/D151F750/D203F800
- Type: Monocular
- size(Short Diameter): 20mm/40mm/50mm
- Model Number: Secondary Mirror Telescope Accessories
- Material: optical glass
- Brand Name: skyboss
- Free shipping
- 100 days returns
- Low prices
- 5 million products