Thread: [SOLD] Tri bahtinov mask for C11 price reduced
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Old 21-05-2025, 05:09 PM
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5ash (Philip)
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Location: Hunter valley. nsw
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Tri bahtinov mask for C11 price reduced
Farpoint Astro Tri-Bahtinov focusing Mask for Celestron 11" SCT
The Tri-Bahtinov mask can also be used for collimation of your telescope.
( look on UTube for details on collimating using a tribahtinov mask)

Now $55 posted Ono
Philip
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Last edited by 5ash; 15-07-2025 at 10:53 AM.