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TRI-Bahtinov Focus Mask - Celestron Guidescope objects are not only easier

TRI-Bahtinov Focus Mask - Celestron Guidescope objects are not only easier

Name: TRI-Bahtinov Focus Mask - Celestron Guidescope objects are not only easier
Brand: www.coronastickers.nu
SKU: 99526346163
Price: 36.00 USD
Availability: InStock
Rating: 4.5616 (26 reviews)

SKU: 99526346163

4.6

USD36.00 USD66.00

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TRI-Bahtinov Focus Mask - Celestron Guidescope objects are not only easierWhat is the Tri Bahtinov? Essentially three Bahtinov masks in one, rotated over 120 degrees. It gives you three lines and three crosses to check focus and collimation, along three axis simultaneously. In addition to focusing, the Tri Bahtinov so also indicates collimation status along three axis. This is interesting for e. g. Schmidt Cassegrain telescopes, where the collimation is done by push pull screws of the secondary mirror along three axis. When

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Description

objects are not only easier to locate

A review of calibration frames 85

and center the camera over the eyepiece using the knobs

5") Inside Dimensions 432mm x 273mm x 273mm (17" x 10

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