FLAT68III 1x FLATTENER FOR FLT91, FLT120, FLT132, FLT156 Prima Luce Lab The Askar FRA 400 f/5

The Askar FRA 400 f/5

Az: +/- 300° (~2 turns)

3mm Connections M54 x 0

Professional hand control unit with graphic display and temperature control – 10M5030

gave birth to a new class of astrographs with superior performance and image quality

FLAT68III 1x FLATTENER FOR FLT91, FLT120, FLT132, FLT156 Prima Luce Lab The Askar FRA 400 f/5The William Optics Flat68III is an apochromatic triplet 1x field flattener with STM coated Ohara lenses. The 44. 4mm image circle (43. 4mm with the Z126) makes it a perfect match for full frame sensors. The Flat68III features adjustable spacing for use with a range of cameras and imaging systems. The Flat68III includes an M48 filter thread which will hold any standard 2" mounted filter. Compatible with William Optics FLT91 (with adapter), FLT120,