Do you wish to reduce the diffractions from internals of your refractor telescope? We can offer you customized aperture masks for refractors. All you have to do is provide inner and outer diameter of the ring and we can 3d print it for you. We can also include double sided tape for easier mounting.

Inner diameter range: 50mm-130mm

Outer diameter range: 80-200mm

Once you submit the order, we will contact you regarding exact dimensions you require


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