Name: William Optics Diffraction Spikes Bahtinov Focusing Mask - For Telescope Tube/Dewshield Diameter from 243-308mm (9.57"-12.13") # BM-DS-GR150
Brand: William Optics
SKU: PAOA-WO-BM-DS-GR150
Price: 102.6 USD
Availability: InStock

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$William Optics Diffraction Spikes Bahtinov Focusing Mask - For Telescope Tube/Dewshield Diameter from 243-308mm (9.57$

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