astromania fm200mm bahtinov mask tube od 215mm 260mm bundl Pri | Shop The World
From USA
NewAstromania
Astromania FM200mm Bahtinov Mask for a Tube (OD) from 215mm-260mm - Bundle with - Protective Telescope Cover, Diameter 37.6"
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•High-quality Protective Cover for telescopes: It offers perfect protection for your telescope against dust and moisture. It is an ideal protection if you want to leave it outside for a short term or store it in the cellar or garage.
•Matches all telescopes up to 1200mm length and 10" (254 mm) aperture mounted. Diameter at bottom: 37.6". Height of the cover: 70.87" (1800mm), total lenght: 59.1" (1500mm).
•Thermally stable: Silver-coloured coating on the outside - insulate heat, thus preventing the telescope inside from heating up. The material retains its protective function even in extreme heat or cold.
•Bahtinov masks take the guesswork out of focusing and even get over the seeing conditions as it is a mathematical type approach to the task.The best focus for your telescope quickly and easily.
•Suitable for use on all types of telescope - reflectors, rafractors, Dobsonians, Mak-Cas and SCTs. They are made from precision laser cut enforced plexiglass, which is stiff and long lasting. They will never be brittle in the cold, unlike some other masks which are made from normal plastics.