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76. M48X0.75 Extension Tube Kit 3mm 5mm 7mm 10mm 12mm 15mm 20mm 30mm 
[Dec 24, 2025]
[Dec 24, 2025] Male thread - M48*0.75. Female thread - M48*0.75, eliminates a range of focusing problems. The extension tube has a M48*0.75 interior thread and a M48*0.75 exterior thread for elegantly solving spacing problems in ...
77. D150f750 D150f1200 Parabolic Newtonian Reflector Spherical Primary Objective DIY Astronomical ... [Dec 24, 2025]
[Dec 24, 2025] High Precision D150F750 Parabolic Objective Lens Primary Mirror for Newtonian Reflection Astronomical Telescope Specifications: Diameter: 150mm Focal Length: 750mm Edge Thickness: 18mm Accuracy: pv ...
78. D130f520 D130f520 D130f650 Parabolic Newtonian Reflector Spherical Primary Objective DIY ... [Jan 05, 2026]
[Jan 05, 2026] Description Report Item A: D130F520 high-precision parabolic reflective lens, 133mm diameter, 520mm focal length, focal ratio 4, aluminum coating and silicon dioxide protective film. B: D130F650 parabolic ...
79. 2.5/3.2'4/4.5/5/6/7/7.5/8/9mm 1.25 Inch Astronomical Telescope Tmb Eyepiece [Jan 13, 2026]
[Jan 13, 2026] Designed for TMB, dedicated to planetary observation Size: 1.25 inches Focal length: 2.5mm 3.2mm 4mm 4.5mm 5mm 6mm 7mm 7.5mm 8mm 9mm Field of view: 58 degrees Number of optical lenses: 6 Growing out: ...
80. D150f1200 D150f750 Dastronomical Telescope Astronomic Reflection Objective Lens Group Secondary ... [Jan 13, 2026]
[Jan 13, 2026] DF150750 reflection of the objective lens groupspherical primary mirrorDiameter (D): 150mmFocal length (F): 750mmPrimary mirror thickness : about 18mmSurface: aluminum and protective foilsSurface accuracy: 1/6 ...
81. D100f400 Parabolic Newtonian Reflector Spherical Primary Objective DIY Astronomical Telescope ... [Dec 30, 2025]
[Dec 30, 2025] Description D100F400 Parabolic Newtonian Reflector Spherical Primary Objective DIY Astronomical Telescope Accessories Aperture: 100mm, focal length: 400mm, thickness 14mm, parabola, 1/4 wavelength, aluminum-plated ...
82. M54X0.75 4/5/6/7/8/9/10/15/20mm Focal Length Extension Tube for Astronomical Telescope [Dec 24, 2025]
[Dec 24, 2025] M54 * 0.75 internal thread adapter M54 * 0.75 external thread for astronomical photography telephoto focusing and shooting By combining different lengths of telephoto rings, the shooting target is focused. All metal
83. 1.25 Inch 2X 3X 5X Four-Piece Telescope Extender Barrow Mirror Achromatic Filter [Dec 24, 2025]
[Dec 24, 2025] 2x 3x 5 extender, all metal material, 1.25-inch/31.7mm interface, 4-piece fully multi-layer green film lens, built-in copper ring, which can well protect the inserted eyepiece body The interface has a 1.25-inch ...
84. D203f750 D203f1600 Telescope Primary Mirror Objective Lens with Secondary Mirror D=203mm Focal ... [Jan 13, 2026]
[Jan 13, 2026] Name: 203750 reflection of the objective lens group Type: spherical primary mirror Origin: Chinese mainland Diameter (D): 203mm Focal length (F): 750mm Primary mirror weight : about 1350mm Surface: aluminum and ...
85. Newtonian Reflection of Objective Lens Group Focal Length 500 870 900mm Telescope Astronomic ... [Dec 24, 2025]
[Dec 24, 2025] Features: Since the cost of the mirror is much lower than that of the lens, it is often a reflective, rather bulky, for large-diameter telescopes. Portable design of the telescope, although the tube is only 500mm, ...
86. 2 Inch Refraction Focusing Seat with 140 Outer Stronomical Telescope Adapter [Dec 24, 2025]
[Dec 24, 2025] Matching lens tube inner diameter size: 133.6mm (140x3.2 PVC can match) This 160mm focus adapter ring is specially designed and manufactured for 140X3.2 PVC tubes. This adapter ring matches our 2-inch all-metal ...
87. 1.25-Inch 90-Degree Prism Zenith Mirror 31.7mm Astronomical Telescope Metal Interface [Dec 24, 2025]
[Dec 24, 2025] 1.25-inch interface, the two ends of the interface are metal The middle triangular part is plastic, and the interfaces on both sides have dust covers. Built-in prism, full erect image, used for refracting ...
88. 1.25'' 90-Degree Diagonal Adapter Zenith Diagonal Mirror Prism Interface [Dec 24, 2025]
[Dec 24, 2025] 1.25-inch interface, the two ends of the interface are metal, the middle triangular part is plastic, and the interfaces on both sides have dust covers. The built-in plane mirror forms a mirror image, up and down, ...
89. 5-Piece 2-Inch Manual Filter Wheel Astronomical Telescope Deep Space Planetary [Dec 24, 2025]
[Dec 24, 2025] 2'' Eyepiece Manual Filter Wheel Filter Accessories 5-pieces Suitable for black and white frozen cameras Can be built-in 5 pieces of 2-inch filters Can be connected to 2-inch filter lens photography, visual ...
90. M42/M48/M54 Focal Plane Ring Deep Space Photography Adjustment [Dec 24, 2025]
[Dec 24, 2025] M42 focal plane adjustment ring Internal thread, length 10mm External thread, length 3.5mm Weight: 65g Minimum thickness: 12mm Diameter: 75mm M48 focal plane adjustment ring Internal thread, length ...
