Besides supplying a huge quantity of large-apertured Circular Prisms and 360° Robocit Prisms, we also manufacture different apertures of Mini Prisms (25.4m, 17.8mm & 12.7mm) with silver-coated and copper-coated, with and without canisters (housings), with 5 arc seconds and 8 arc seconds. Should you have any special requirements in this regard, please feel free to contact us.
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