WILLIAM OPTICS PLEIADES 68 F/3.8 ASTROGRAPH BF25-QHY The ZWO 7nm H-alpha narrowband

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

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

3 Megapixels 1280 x 1024 Pixel size 5

Apparent field of view 68° Parfocal Yes Eye relief 20 mm Field stop 24

WILLIAM OPTICS PLEIADES 68 F/3.8 ASTROGRAPH BF25-QHY The ZWO 7nm H-alpha narrowbandThe 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