Found 2 3D-models for “bhatinov” across many websites

#astronomy telescope#bhatinov#mask#sigma 18-300mm#telescope accessory
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Bhatinov Mask for Celestron 8in SCT

Bhatinov Mask for Celestron 8in SCT

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Sigma 18-300mm Bhatinov Mask

Sigma 18-300mm Bhatinov Mask

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