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