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Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Round D12.5mm Density0.5)
Light Filter for Black and White Photography - Optical Glass Color Correcting Filter, 1PCS(30mm)
1 x D40 Achromatic Objective Lens for DIY Refractive Astronomical Telescope -...
High-Transmittance 850nm Optical Glass Filter Lens - Narrowband Infrared for Cameras, Sensors-1pc(30x1mm)
1 x 203mm Newtonian F800 Parabolic Reflector Mirror with 60mm Secondary (70mm Mirror)
20mm Neutral Density Filter with Mounting Bracket - C-Mount/SM1 Threads Optical -1pc(0.1%...
20mm Neutral Density Filter with Mounting Bracket - C-Mount/SM1 Threads Optical -1pc(5%...
Absorption-Type Neutral Density Optical Filter - 50x50mm Square Attenuation Sheet-1pc(10% Transmittance)
Light Filter for Black and White Photography - Optical Glass Color Correcting Filter, 1PCS(39mm)
1 D30mm Glued Objective Lens for DIY Telescopes: Achromatic with Blue, Red...
1pc D203F750 203mm Newtonian Parabolic Reflector Primary Mirror with 70mm Secondary -...
1 Refractive objective lens for 60 mm astronomical telescope. Focal distance: 300-900...
Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Round D12.5mm Density0.7)
1pcs D70 70mm Blue Single Sided Double Separation Film Lens for Astronomical Telescopes (D70F800)
High-Transmittance 850nm Optical Glass Filter Lens - Narrowband Infrared for Cameras, Sensors-1pc(45x1mm)
1pc Short-Axis Secondary Mirror for DIY Reflecting Astronomical Telescopes - 20/25/35/40/70mm Options Available(65mm)
Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Round D12.5mm Density0.1)
1 x D150F750 Reflector Telescope Primary Mirror and 35 mm Secondary Accessories...
Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Round D12.5mm Density0.2)
1 x Dual Separation Objective Lens for 90mm Refractive Astronomical Telescope -...
20mm Neutral Density Filter with Mounting Bracket - C-Mount/SM1 Threads Optical -1pc(1%...
Absorption-Type Neutral Density Optical Filter - 50x50mm Square Attenuation Sheet-1pc(40% Transmittance)
Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Round D12.5mm Density0.4)
1 x D60mm Glued Objective Lens - Achromatic with Blue Fused Coating...
Absorption-Type Neutral Density Optical Filter - 50x50mm Square Attenuation Sheet-1pc(63% Transmittance)
1pc Short-Axis Secondary Mirror for DIY Reflecting Astronomical Telescopes - 20/25/35/40/70mm Options Available(25mm)
Absorption-Type Neutral Density Optical Filter - 50x50mm Square Attenuation Sheet-1pc(50% Transmittance)
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