William Optics Bahtinov Mask Cover (Patented) for WO GT102 & Z103

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William Optics Bahtinov Mask Cover (Patented) for WO GT102 & Z103

Innovative William Optics Bahtinov Mask Cover (Patented) for WO GT102 & Z103

These caps fit over the end of the telescope for protection and storage.

Then simply unscrew the very end of the cap for a high quality bahtinov mask for precise focusing!

Features

• Innovative Design combines Dust Cover and a Bahtinov Mask in one
• Fits WO GT102 and Z103 Telescopes
• Clear Acrylic Sheet design provides 92% light transmission
• Gives the Brightest diffraction spikes for focusing

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