Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm

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Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm

BM-DS-GR45
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Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm

Enquire for more information or email us specifics at sales@astro.com.sg.