Camera Accessories

Telescope Accessories 70mm Refractive Double-separate Achromatic Lens With Spacer DIY Optical For Astronomical Telescope 70mm Caliber for astronomical telescope objective lens. Double-separate convex achromatic lens. optical F4+K9 made with blue/green coating. Astronomical telescope accessories, Barlow lenses (2x, 3x), moon filters, and planetary filters for stunning... Telescope Accessories 70mm Refractive Double-separate Achromatic Lens With Spacer DIY Optical For Astronomical Telescope