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Officina Stellare 0.75x Focal Reducer - Officina f/7 Astrographs

SKU : OF-RIDK-FR01

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  • Increase the speed of your Officina astrograph with this .75x reducer.

This 3-lens reducer will bring your f/7 Officina RiDK down to f/5.25. It is fully corrected for a wide field of 42 mm. Fully diffraction-limited from 450 nm to 730 nm.

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    • Increase the speed of your Officina astrograph with this .75x reducer.

    This 3-lens reducer will bring your f/7 Officina RiDK down to f/5.25. It is fully corrected for a wide field of 42 mm. Fully diffraction-limited from 450 nm to 730 nm.

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