WILLIAM OPTICS DR FLAT MASTER 0.8x REDUCER FOR GSO RC GM4000 The Classic Plössls provide the

The Classic Plössls provide the necessary high magnifications in combination with an ADPS (Afocal Digital Projection System - sold separately) and a compact camera with fixed lens – the eyepiece's large lens on the camera side reduces vignetting

The Chroma 3nm H-beta filter is also useful for imaging nebulae and objects rich in ionized hydrogen

Bigger eyepieces will show vignetting

Power consumption - 1

It is not compatible with 5” SCTs or older models

WILLIAM OPTICS DR FLAT MASTER 0.8x REDUCER FOR GSO RC GM4000 The Classic Plössls provide theThe William Optics Dr Flat Master is an apochromatic triplet 0. 8x flattener reducer for 12" 16" GSO Ritchey Chretien telescopes. The 52mm image circle makes it a perfect match for full frame sensors. On the camera side there is an M48 x 0. 75 male thread for connection to common imaging trains. The reducer has a large backfocus requirement of 86. 15mm from the last lens, shifting the focal plane in by 28. 6mm. Specifications Reduction factor 0. 8 x