Optical Glass Optical Glass Glued Cemented Telescope Objective Achromatic Lens Diameter 16mm Focal Length 34.47mm Optical Glass

Optical Glass Optical Glass Glued Cemented Telescope Objective Achromatic Lens Diameter 16mm Focal Length 34.47mm Optical Glass

Glued Lens H-K9L/H-ZF2 Achromatic Optical Glass Lenses16mm Diameter 34.47mm Focal Length Cemented Lens Coated 400-700nm

Optical Glass Optical Glass Glued Cemented Telescope Objective Achromatic Lens Diameter 10mm Focal Length 155.5mm

Optical Glass Optical Glass Glued Cemented Telescope Objective Achromatic Lens Diameter 10mm Focal Length 155.5mm

Double-Cemented Blue Film Objective Lens Diameter 23mm Focal Length 213mm Glass Achromatic Lenses for DIY Telescope

Diameter 58mm Telescope Cemented Doublet Objective Lens Achromatic Optical Lens With Blue Film Focal Length 195mm

Double-Cemented Objective Lens Diameter 16mm K9 Glass Achromatic Lenses for DIY Telescope Binoculars

26mm In Diameter And 78mm In Focal Length; Objective Lens D26F78 Of Astronomical Telescope Glued With Green Film Achromatic.

Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic Diameter 57 Focal Length 540 Glued Blue Film

25mm In Diameter, 105mm In Focal Length, Objective Lens D25F105 Of Astronomical Telescope, Achromatic With Glued Green Film.

23mm Diameter Focal Length 213mm Astronomical Telescope Objective D23F213 Glued Blue Film Achromatic Lens K9

Diameter 13mm Focal Length 49mm Astronomical Telescope Objective D13F49 Glued Blue Film Achromatic Lens K9

Diameter 19mm Focal Length 69mm Astronomical Telescope Objective D19F69 Glued Blue Film Achromatic Lens K9

12mm Diameter Focal Length 50mm Astronomical Telescope Objective D12F50 Glued Blue Film Achromatic Lens K9

Diameter 18mm Focal Length 36mm Astronomical Telescope Objective D18F36 Glued Green Film Achromatic

24mm Diameter Focal Length 41mm Astronomical Telescope Objective D24F41 Glued Green Film Achromatic

D34F210 glued green film achromatic diameter 34mm focal length 210mm astronomical telescope objective

Diameter 17mm Focal Length 35mm Astronomical Telescope Objective D17F35 Glued Green Film Achromatic

25mm Diameter Focal Length 215mm Astronomical Telescope Objective D25F215 Glued Green Film Achromatic

25.5mm Diameter Focal Length 123mm Astronomical Telescope Objective D25.5F123 Glued Green Film Achromatic

Convex lens large aperture astronomical telescope objective double cemented achromatic can be customized diameter 52mm focal len

Diameter 26mm Focal Length 100mm Astronomical Telescope Objective D26F100 Glued Green Film Achromatic

Diameter 22.5mm Focal Length 89mm Astronomical Telescope Objective D22.5F89 Glued Green Film Achromatic

2pcs Telescope ED Objective Microscope Eyepiece Double Glued Convex Lens Achromatic Lens Diameter 52 Focal Length 200

43mm Focal Length 330mm Cemented Doublet Glued Convex Lens ED Achromatic Biconvex Objective Lens for DIY Astronomic Telescope

Diameter 83mm Focal Length 400mm Glued Green Film Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic

83mm Diameter 450mm Focal Length Binoculars Telescope Cemented Doublet Objective Lens Achromatic Double Convex Lens Edge Blacked

83mm Diameter Focal Length 720mm Glued Green Film Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic

83mm Diameter Focal Length 900mm HD Achromatic Objective Lens Glued Green Film DIY Refraction Astronomical Telescope Accessories

Diameter 83mm Focal Length 500mm Glued Green Film Astronomical Telescope DIY Accessories Refraction Objective Lens HD Achromatic

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