Kendrick Astro Bahtinov Focusing mask for Meade 12" SCT"
- Calculated at Checkout
Kendrick Astro Bahtinov Focusing mask for Meade 12" SCT
|How to Use a Bahtinov Mask
First of all, the masks come with three adjustable rubber bumpers. This allows them to fit to a wide variety of tube diameters. Simply push the bumper to the desired location on the slot to ensure that the mask is properly centered over your optic. Then focus. The graphic below describes visually what you will see on either side of being focused. This graphic represents movement of the focuser in very small amounts (fractions of a mm). It is extremely sensitive.
NOTE: There are three ways to use the bumpers on our masks to achieve a proper fit to your telescope:
The Bahtinov Mask is probably the easiest product on the market to achieve tight focus for visual use and for digital astrophotographers, regardless of whether you use a DSLR or CCD camera.