Package List
1 x Focusing Mask

Characteristics
- Size: 9.50X9.50X0.10cm/3.73X3.73X0.04in
- Color: Black.
- Material: Aluminum alloy.
-Product Info:Metal fish
- Adopts precision production to the stable characteristics and high reliability bahtinov mask focusing.
- Focusing masks produce a distinct, intersecting pattern once accurate focus is achieved aluminum bahtinov mask.
- The masks grip the telescope tube gently but firmly with three metal posts which have non-scratching silicon sleeves to protect your valued telescope . This prevents slippage, whilst allowing the mask to remain perfectly central telescope bahtinov mask.
- Focusing 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 bahtinov mask.
- Suitable for use on all types of telescope, reflectors, refractors telescope focusing mask.

Goods Information
bahtinov mask focusing These focusing masks are adjustable to fit a wide range of optical tubes, unlike masks which are only able to telescope.bahtinov aluminum mask Because of this 3-post mounting, the mask remains , whilst fitting a wider range of telescopes