William Optics Red Bahtinov Mask Cover For WO 70 Series Telescopes - CPBM-71RD 115 mm Refractors Tracking Rates: Sidereal

Tracking Rates: Sidereal

Integrated air cooling system –12V DC MagLev fan reduces cooldown time and provides optimal air flow while filtering out dust

Antares Light Pollution Reduction Filter

M43 and M54 (these are covered by the removable rubber eyecups)

William Optics Red Bahtinov Mask Cover For WO 70 Series Telescopes - CPBM-71RD 115 mm Refractors Tracking Rates: SiderealWilliam Optics Red Bahtinov Mask Cover For WO 70 Series Telescopes William Optics Bahtinov Focusing Mask and Dust Cap Innovative Design combines Dust Cover and a Bahtinov Mask in one Fits WO 70 Series Telescopes Clear Acrylic Sheet design provides 92% light transmission Gives the Brightest diffraction spikes to assist focusing This is a William Optics Red Bahtinov Focusing Mask and Dust Cap, made from Acrylic material, which is high in light