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

1 x Parabolic Reflector Lens D114F450 High Precision Primary and Secondary Mirror...

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

Molybdenum Reflective Lenses for High Intensity Macche Engraving 20/25/30 mm Diameter 1...

Blue Fused 60F410 Coated Achromatic Lens D60mm for Astronomical Telescopes (D60F410 Film)

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

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

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

Germanium Lens with AR+DLC Coating - Optical/Thermal Image Thermometer Observation Window 1...

Germanium Lens with AR+DLC Coating for Thermal Imagers and Optical Applications -...

D106F600 D106F900 Double Film Lens for Astronomical Telescopes - 106 mm Diameter...

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

360 Degree Rotation Controller for Astronomical Telescopes Compatible Accessories M42, M48 and...

50mm Refractive Double Separation Lens for Telescopes and Viewfinders (D50F600)

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

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

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

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

Molybdenum Reflective Lens for High Intensity Engraving Machines, Diameter 20/25/30 mm, 1...

Germanium Lens with DLC Coating for Optical and Thermal Imaging - 1PCS(10x2mm 2-Sided AR)

Germanium lens with AR+DLC coating Optical/Thermal Imager Thermometer Observation Window 1 piece...

Germanium Lens with DLC Coating for Optical and Thermal Imaging - 1PCS(20x3mm 2-Sided AR)

Germanium lens with DLC coating for optical and thermal imaging - 1...

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

Germanium Lens with AR+DLC Coating for Thermal Imager and Optical Applications - 1PCS(30x1mm AR+DLC)

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)(70mm)

1 objective lens for astronomical telescope D80F500 83 mm Green Film Bonded...

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

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