WILLIAM OPTICS PLEIADES 68 F/3.8 ASTROGRAPH BF25-QHY If you aren't sure

If you aren't sure

This is a reducer designed specifically for PlaneWave CDK flat field telescopes

Baffles have been added to increase contrast and AR coatings are optimized for the 656nm wavelength

The ZWO 7nm H-alpha narrowband filter enhances the contrast of emission and planetary nebulae

our AZ mounts integrate all the last technologies and technical acquirements in mechanical

WILLIAM OPTICS PLEIADES 68 F/3.8 ASTROGRAPH BF25-QHY If you aren't sureThe William Optics Pleiades 68 is a super fast f 3. 8 astrograph featuring a triplet front lens and a built in quadruplet flattener reducer. Three Super ED extra low dispersion elements ensure excellent colour correction. The telescope features William Optics' new WIFD internal focusing mechanism for enhanced stability, particularly with heavy image trains. The WIFD series has been designed from the ground up to support the latest large and heavy high