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Diffraction Spikes Bahtinov Focusing Masks

Diffraction Spikes Bahtinov Focusing Masks
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Price:  £49.00(Inc. 20% VAT)
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Product Code:  BM-DS-GR55
Manufacturer:  William Optics

William Optics


The new Optical acrylic sheet offers 92% of light transmission that gives you the highest and brightest diffraction Spikes for Focusing! It’s about 3 times brighter than traditional metal type.

  • Optical transmission: 92% and above
  • Made with optical grade PMMA material
  • Easy to mount on telescopes

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