The William Optics Flat8 is an apochromatic triplet 0.72x flattener/reducer with STM-coated Ohara lenses. The 44.4mm image circle makes it a perfect match for full-frame sensors.
The Flat8 features adjustable spacing for use with a range of cameras and imaging systems. The Flat8 includes an M48 filter thread which will hold any standard 2" mounted filter.
Compatible with William Optics FLT120 (with additional adapter), FLT132, FLT156, GT102 & GT153 telescopes which have an M92 x 1 thread. On the camera side there is an M48 x 0.75 male thread, which will accept any wide T-ring.
|Reduction factor||0.72 x|
|Telescope connection||M92 x 1|
|Camera connection||M48 x 0.75|
|Image circle||44.4 mm|
Telescope total backfocus distance
Distance adjustment needed for correct backfocus