90 degree wrecting prism for telescope thks came out of a skywatcher telescope Insold two years ago and forgot all about it. it was only ised a couple of times. i sold the scope with an upgraded piece. thats all I know about it!
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Optical glass prism 90 degree 20*20*20mm Right Angle Prism for optical system
Aliexpress UK
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Optical glass prism 90 degree 30*30*30mm Right Angle Prism for optical system
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1 Piece 90 Degree Diagonal Mirror.
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Optical glass prism 90 degree 15mm 20mm 25mm 30mm 35mm 40mm 50mm Right Angle Prism for optical system
Aliexpress UK
You can watch videos or reading books when lies on bed. Total Length of glasses:153mm. The nasal spacing of the glasses:18mm. Length of glasses legs:135mm. 1 x Glasses. Height of lens:45mm. Party Decoration.
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Optical glass prism 90 degree 40*40*40mm Right Angle Prism for optical system no coating
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Shape : TRIANGLE. Surface Quality : 60/40. Origin : Mainland China.
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Optical glass prism 90 degree 5mm 6mm 7mm 8mm 10mm 12.7mm Right Angle Prism for optical system
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Celestron 1.25" 31.7mm Full-image 90-degree Erecting Prism. 90 degree Erecting Prism. Lens material: optical glass Prism.
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Optical glass prism 90 degree 15*15*15mm Right Angle Prism for optical system
Aliexpress UK
Astromania 1.25" 90-degree Erecting Prism. Colour 1.25" 90-Degree Erecting Prism. Size 1.25" 90-Degree Erecting Prism. The prism gives you a bright and clear picture: The prism is made of genuine optically processed BK7 glass, high quality optical prism inside rather than a mirror which makes your image clear and sharp.
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Optical glass prism 90 degree 25*25*25mm Right Angle Prism for optical system
Aliexpress UK
High-quality prism ensures high light transmission and provides high defination images.
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Optical glass prism 90 degree 12.7*12.7*12.7mm Right Angle Prism for optical system
Aliexpress UK