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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
it has not eggshell fragments dropping problem
you can simply hang your tools on wall rather than sprawled on a countertop or stuffed in drawers
5 cm- Color: blackPackage includes1 large head pin display box
You can set the 12 hour modes or the 24 hours modes by press + button for 3 seconds
Transmission distance: 10 meters
Bahtinov Mask Focusing Mask Aluminum Alloy Bahtinov Mask For Telescopes it has not eggshell fragmentsBahtinov Mask Focusing Mask Aluminum Alloy Bahtinov Mask For Telescopes DescriptionFocusing 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, refractors. Features Color: Black. Size: 9. 50X9. 50X0. 10cm 3. 73X3. 73X0. 04in Material: Aluminum alloy. Focusing mask