William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 75 mm to 110 mm - BM-DS-GR45 Kite Optics It is easy to see

It is easy to see the moons of Jupiter and the rings of Saturn with this fine instrument

45° angle places head in a comfortable viewing position

Seasonal star charts display the locations of the best deep-sky objects for summer

Batteries not included

SKU (#) 2954106 WEIGHT (KG) 0

William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 75 mm to 110 mm - BM-DS-GR45 Kite Optics It is easy to seeWilliam Optics Diffraction Spikes Bahtinov Focusing Mask For Dew Shield 75 mm to 110 mm William Optics Diffraction Spikes Bahtinov Focusing Mask Fits dew shields with diameters of 75 mm to 110 mm Clear Acrylic Sheet design provides 92% light transmission Gives the Brightest diffraction spikes for focusing This is a William Optics Diffraction Spikes Bahtinov Focusing Mask made from Acrylic material, which is high in light transmission. This design