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Revelation Adjustable Field Flattener

£120.00

Quick Overview

Revelation Adjustable Field Flattener
BC206
Only 22 left

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Details

This telescope field flattener is ideal for use with both DSLRs and dedicated astronomical imaging cameras. With many telescope/camera and field flattener combinations, the user has to purchase a dedicated flattener for their particular instrument. This adjustable flattener has a build in helical extender, which allows for different spacings and gives the user the ability to "tune" this flattener to their particular telescope and camera combination. As such, this is ideal for those with multiple telescopes and camera options.  The lens arrangement utilises Ohara Japanese glass for first class performance.


The Revelation Adjustable Field Flattener is optimized for refractors around the f5-f/7 focal ratio, but works well with many other telescopes outside this "ideal" range. There is an etched measurement guide to spacing which runs along the side of this flattener's barrel, giving the user a good guide to a reasonable distance to work at, from which a finer adjustment can be made.


Focal length greater than 1000 mm = 55 mm spacing
Focal length between 800 & 1000 mm = 58 mm spacing
Focal length betweeen 600-800 mm = 60 mm spacing
Focal length between 480-600 mm = 65 mm spacing
Focal length between 400-480 mm = 70 mm spacing


Specifications:


2" push fit fitting


48mm thread M48 camera connector (Revelation M42 to M48 adapter recommended for standard T2 adapters)

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