UGUGU compare prices

Secondary Mirror Short Axis for DIY Reflection Astronomical Telescopes (20-70mm Options Available)(38mm)

High-Transmittance 850nm Optical Glass Filter Lens - Visible Light Cut-Off, Narrowband for...

50x50mm Absorption-Type Neutral Density Optical Filter - Glass Light Attenuation Sheet for...

90mm Double Separation Lens for Refractive Astronomical Telescopes - Multilayer Coating Available(D90F900...

Double Convex K9 Optical Glass Lens, Diameter 20-58mm, Focal Length 40-200mm(D45 F150 C7 E3)

Germanium lens with AR+DLC coating Imager thermometer viewing window Optical/Thermal 1 piece (35x2mm AR+DLC)

Green Film Achromatic Lens Bonded D80 mm for DIY Astronomical Telescopes -...

D30 mm Bonded Lens for DIY Telescopes Achromatic with Optional Diameters and...

50x50mm Absorption-Type Neutral Density Optical Filter - Glass Light Attenuation Sheet for...

1 x D203F750 203mm Parabolic Newtonian Reflector Primary Mirror with 70mm Secondary...

Neutral Density Optical Filter Sheet - 12.5mm/25mm Diameter, H-K9L Glass, for Photography...

Gallium Arsenide Optical Lenses Sheet Focusing for Strong Light Applications, 1PCS, Multiple...

Short axis secondary mirror for DIY reflection astronomical telescopes (20 to 70...

Gallium Arsenide Optical Lenses, Leaf Focusing Lenses for Strong Light Applications, Pack...