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Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Square WxL50x50mm Density0.4)
Light Filter for Black and White Photography - Optical Glass Color Correcting Filter, 1PCS(24mm)
Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Square WxL50x50mm Density0.1)
Circular Polarizing Film - 1PCS Round Sheet for Optical Experiments, Photography-1pc(300x0.15mm 1-Side Sticky)
1 x D150F900 Reflector Astronomical Telescope Spherical Primary Mirror with 35 mm...
1 Piece D70mm Achromatic Objective Lens for DIY Astronomic Telescope - Focal...
1 x 360 Degree Rotation Controller for Astronomical Telescopes - Layout Compatible...
1 Refractive objective lens for 60 mm astronomical telescope. Focal distance: 300-900...
High-Transmittance 850nm Optical Glass Filter Lens - Narrowband Infrared for Cameras, Sensors-1pc(86x86x1mm)
1pcs D70 70mm Blue Single Sided Double Separation Film Lens for Astronomical Telescopes (D70F360)
Circular Polarizing Film - 1PCS Round Sheet for Optical Experiments, Photography-1pc(100x0.21mm 1-Side Sticky)
1 Piece Accessories for D150F1200 Reflective Astronomical Telescope: 150mm Primary Mirror and...
Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Round D25mm Density0.7)
1pcs D70 70mm Blue Single Sided Double Separation Film Lens for Astronomical Telescopes (D70F500)
Circular Polarizing Film - 1PCS Round Sheet for Optical Experiments, Photography-1pc(Right 150x0.26mm No-sticky)
1 x D60mm Glued Objective Lens - Achromatic with Blue Fused Coating...
1 D30mm Glued Objective Lens for DIY Telescopes: Achromatic with Blue, Red...
1 x D40 Achromatic Objective Lens for DIY Refractive Astronomical Telescope -...
1 x D106F600 D106F900 Double Separated Blue/Green Film Lens for Astronomical Telescopes...
Light Filter for Black and White Photography - Optical Glass Color Correcting Filter, 1PCS(37.5mm)
1 Piece DIY Astronomical Telescope Lens Set for Xingtrang 70/80 Caliber -...
High-Transmittance 850nm Optical Glass Filter Lens - Narrowband Infrared for Cameras, Sensors-1pc(17.5x14x1mm)
1 x 203 mm Newtonian F800 Parabolic Reflector Mirror with 60 Secondary (D203F800+60 mm)
Neutral Density Optical Filter Sheet-12.5mm/25mm Diameter, 50x50mm Size, 0.1-1.0, H-K9L Float Glass.1pc(Square WxL50x50mm Density0.3)
Circular Polarizing Film - 1PCS Round Sheet for Optical Experiments, Photography-1pc(100x0.15mm 1-Side Sticky)
1pc Short-Axis Secondary Mirror for DIY Reflecting Astronomical Telescopes - 20/25/35/40/70mm Options Available(42mm)
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