Focal length: 500mm 870mm 900mm. Caliber: 114mm. The thickness of the main mirror about 15mm.
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D114F900 Newton Reflection Mirror Primary Mirror with 25mm Secondary Astronomical Concave Mirrors for Telescope DIY
Aliexpress UK
Rear View Mirror for Driving Test, Secondary Instructor Examiner Learner Mirror, Adhesive Interior Suction Cup Car Mirror for Driving Lesson (200 X 62 Mm). Special feature function(f) {var _np=(window.P. ).
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D114F900 Newton Reflection Mirror Primary Mirror with 25mm Secondary Astronomical Concave Mirrors for Telescope DIY
Aliexpress UK
Focal length: 1100mm. Caliber: 135mm. Spherical mirror, aluminum plating and protective film. The thickness of the main mirror about 18mm. Accuracy of the mirror: 1/6 wave.
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1pc 38mm Short Axis Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope Oblique Flat Mirror
Aliexpress UK
Oblique Mirror Flat Mirror Elliptical Plane Mirror. Type: Elliptical Plane Mirror.
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Maxgeek CYCK Telescope Modification Kit Secondary Mirror Spider DIY Kit for SkyWatcher 10-inch 250mm Telescopes（As option shown
Aliexpress UK
Caliber: 203mm. Spherical mirror, aluminum plating and protective film. The thickness of the main mirror about 18mm. Accuracy of the mirror: 1/6 wave. Focal length: 750mm.
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20/25/28/30/35/40/42/45/50/54/56/60/70 mm DIY Newtonian Reflective Astronomical Telescope Secondary Mirror Elliptical Short Axis
Aliexpress UK
Auxiliary Mirror Size Available: 20/25/30/35/40/42/50/54/70. Oblique Mirror Flat Mirror Elliptical Plane Mirror. Type: Elliptical Plane Mirror. Coating: Aluminum Reflection + Protective Film. If item is defective after 3 months, you can still send it back to us.
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Focal length: 750mm. Caliber: 203mm. Spherical mirror, aluminum plating and protective film. The thickness of the main mirror about 18mm.
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Caliber: 160mm. The thickness of the main mirror about 18mm. Spherical mirror, aluminum plating and protective film. Accuracy of the mirror: 1/6 wave. Focal length: 1280mm.
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