WILLIAM OPTICS PLEIADES 68 F/3.8 ASTROGRAPH BF25-QHY Optical thickness 4 mm (1

Optical thickness 4 mm (1

2 kg Tube outer diameter 375 mm Tube length 735 mm without focuser SKU GSRC10A

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

If you aren't sure

The back surface reflection of the primary mirror (called Mangin) is the main characteristic distinguishing the Riccardi-Honders optical design

WILLIAM OPTICS PLEIADES 68 F/3.8 ASTROGRAPH BF25-QHY Optical thickness 4 mm (1The 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