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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Transmission distance: 10 meters
Aspect: Panel: 90 x 20mm
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Bahtinov Mask Focusing Mask Aluminum Alloy Bahtinov Mask For Telescopes Transmission distance: 10 metersBahtinov 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
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