StarField Bahtinov Mask - 180 mm - FM-180 Red Dot Finder The Antares W70 Series Eyepiece

The Antares W70 Series Eyepiece is a superb quality eyepiece with a focal length of 4

The Antares TEXT42 Variable M42 Camera Adapter is a device which allows you to set a desired precise back focus distance for doing astro-imaging with your camera and telescope

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Glass Type: Neodymium substrate

Manufacturer: Explore Scientific Item Number: 01-14300 Barcode: 811803033931 Total length: 1000 mm Total width: 1000 mm Total height: 1390 mm Total net weight: 11

StarField Bahtinov Mask - 180 mm - FM-180 Red Dot Finder The Antares W70 Series EyepieceThis StarField Bahtinov Mask is sized for 150 mm 165 mm telescopes and fits dew shields with an outside diameter of 185 mm to 210 mm. While basic, often home made focus masks have been used for quite some time, the Bahtinov mask, with it's distinctive pattern, is unique. Invented by Russian amateur astronomer Pavel Bahtinov, this mask has quickly become the astro imager's choice for fine focusing a telescope. To use, place the Bahtinov mask in front