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Revelation 0.75x Focal Reducer for GSO Ritchey Chretien OTA

£93.00

Quick Overview

Reduces GSO Ritchey Chretien Telescopes from f/8 systems to f/6 - increasing the apparent field and reducing exposure times accordingly.
RD003
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Details

The Revelation 0.75x Focal Reducer for Revelation RC OTA effectively reduces our Revelation Ritchey Chretien Telescopes from f/8 systems to f/6 - increasing the apparent field and reducing exposure times accordingly.  Highly recommended for these scopes, this 0.75x reducer also assures flat field and round stars edge to edge.  

This Reducer has a practical spacing distance of 80mm (+/-5mm) from the rear element to imaging chip, giving the user more than enough space for off-axis guiders, filterwheels and other accessories.  It's recommended that 2x Revelation FF272 30mm M42 Spacer Extension Rings are purchased by those intending to use this product with a conventional DSLR, in order to affect the correct spacing.

Also recommended for use with the GSO/Altair Astro RC systems.

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