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Achromatic Lens D40 for DIY Refractive Telescope Diameter 40 mm, Focal Length...
D30 mm Bonded Lens for DIY Telescopes Achromatic with Optional Diameters and...
Secondary Mirror Short Axis for DIY Reflection Astronomical Telescopes (20-70mm Options Available)(60mm)
Molybdenum Reflective Lens for High Intensity Engraving Machines, 20/25/30 mm Diameter, 1...
1 x D150F750 Astronomical Telescope Reflector with Spherical Primary Mirror and 35mm...
Germanium Lens with DLC Coating for Optical and Thermal Imaging - 1PCS(35x2mm AR+DLC)
Double Convex K9 Optical Glass Lens, Diameter 20-58mm, Focal Length 40-200mm(D28 F50 C3.9 E1.7)
Gallium Arsenide Optical Lenses Sheet Focusing for Strong Light Applications, 1PCS, Multiple...
90mm Double Separation Lens for Refractive Astronomical Telescopes - Multilayer Coating Available(D90F1000 Green Film)
Germanium lens with AR+DLC coating Imager thermometer viewing window Optical/Thermal 1 piece (60x2mm AR+DLC)
Germanium lens with AR+DLC coating Imager thermometer viewing window Optical/Thermal 1 piece (40x2mm AR+DLC)
Zinc Selenide (ZnSe) Focusing Lens - 1 Piece Optical Welding Machine Accessories,...
Germanium Lens with AR+DLC Coating for Thermal Imager and Optical Applications -...
High Precision K9 Optical Reflector Lens - Square/Round, Aluminium Coated, Pack of...
1 x 203mm Parabolic Newtonian Reflector Primary Mirror D203F800 with 60mm Secondary (D203F800+60mm)
D60 mm Double Separated Multilayer Green Film Lens for DIY Refractor Astronomical Telescopes (D60F900)
50x50mm Absorption-Type Neutral Density Optical Filter - Glass Light Attenuation Sheet for...
Secondary Mirror Short Axis for DIY Reflection Astronomical Telescopes (20-70mm Options Available)(45mm)
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