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High Precision K9 Optical Reflector Lens - Square/Round, Aluminium Coated, Pack of...

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

Zinc Selenide (ZnSe) Focusing Lens - 1PCS Optical Welding Machine Accessory, 99.8%...

Zinc Selenide (ZnSe) Focusing Lens - 1 Piece Optical Welding Machine Accessories,...

850nm High Transmittance Optical Glass Filter Lens - Visible Light Cutting, Narrow...

Germanium lens with DLC coating for optical and thermal imaging - 1 Unit(24x4mm AR+DLC)

Germanium lens with AR+DLC coating for Thermal Imager and Optical Applications -...

D70 70mm Double Separation Single Sided Blue Film Telescope Lens with Retaining Ring(D70F360)

850nm High Transmittance Optical Glass Filter Lens - Visible Light Cutting, Narrow...

Germanium lens with AR+DLC coating for Thermal Imager and Optical Applications -...

90mm Double Separation Lens for Refractive Astronomical Telescopes - Multilayer Coating Available(D90F500 Broadband Film)

High Precision K9 Optical Reflector Lens - Square/Round, Aluminium Coated, Pack of...

1 x 60mm D60mm Blue Fused Coated Achromatic Lens for Astronomical Telescopes...

D131F700 Separate Double Blue Single Layer Lenses for Astronomical Telescopes - 131mm...

Germanium Lens with AR+DLC Coating for Thermal Imager and Optical Applications - 1PCS(70x2mm AR+DLC)

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

Germanium lens with AR+DLC coating for Thermal Imager and Optical Applications -...

Germanium lens with DLC coating for optical and thermal imaging - 1 Unit(30x2mm AR+DLC)

High Precision K9 Optical Reflector Lens - Square/Round, Aluminium Coated, Pack of...

Germanium lens with AR+DLC coating for thermal imaging cameras and optical applications...

D60 mm Double Separated Multilayer Green Film Lens for DIY Refractor Astronomical Telescopes (D60F300)

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

1 x D131F1200 Double Blue Film Single Layer Lens for Astronomical Telescopes,...

Germanium lens with DLC coating for optical and thermal imaging - 1 Unit(28x2mm AR+DLC)

Telescope Accessory, Eyepiece Adapter T2 Mount 2 Inch to M42*0.75 Thread Camera Accessories

D60 mm Double Separated Multilayer Green Film Lens for DIY Refractor Astronomical Telescopes (D60F500)

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

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

Achromatic Lens D40 for DIY Refractive Telescope Diameter 40 mm, Focal Length...

Germanium Lens with AR+DLC Coating for Thermal Imaging Cameras and Optical Applications...