Farpoint Bahtinov Focus Mask for Sky-Watcher 150mm Maksutov Telescope # FP409
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1. PRODUCT DESCRIPTION
Farpoint Bahtinov focus mask for astrophotography - for Sky-Watcher 150 Mak. Finger holes for easy on and off! Manufacturer part number FP419.
Farpoint Bahtinov Masks are by far, the easiest, fastest and most consistent manual focusing aid available to the amateur astrophotographer. In 2008, Pavel Bahtinov, a Russian amateur telescope maker and astronomer, published an ingenious new way to easily focus your DSLR camera, webcam or CCD camera for astrophotography. The method is simple, very intuitive, and the device has universally been named after the inventor: The Bahtinov Mask.
Prior to the innovative design of the Bahtinov Mask, astrophotographers could spend ten minutes or more just obtaining a reasonable focus. Problems with seeing, exposure length, and camera noise all increased the difficulty of and time spent finding perfect focus. With the Farpoint Bahtinov Mask, the process of finding the perfect focus whether it be through a DSLR, CCD or a WebCam takes a matter of seconds because the process is unaffected by seeing, noise and allows short exposure lengths!
Simply place a magnitude 4 or brighter star in the field of view of your camera, place the Farpoint Bahtinov Mask over your telescope’s objective and focusing becomes as simple as centering an easy to see diffraction spike!
Farpoint manufactures this "lifesaving" astrophotography tool out of virtually indestructible ABS plastic, which comes in two major types (for refractors and SCTs) and in a range of sizes. The Farpoint Bahtinov Mask will ensure that you spend more time imaging and less time focusing for years to come! Whether you focus manually or electronically, the Farpoint Bahtinov Mask is an essential tool for any astrophotographer.
Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above.
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