Astronomy Specialist

FLAT6AIII 0.8x REDUCER FOR GT71, GT81, Z81, Z103

$369.00

Quantity
- +

 

The William Optics Flat6AIII is an apochromatic triplet 0.8x flattener/reducer with STM-coated Ohara lenses. The 44.4mm image circle (43.1mm with the Z103) makes it a perfect match for full-frame sensors.

The Flat6AIII features adjustable spacing for use with a range of cameras and imaging systems. The Flat6AIII includes an M48 filter thread which will hold any standard 2" mounted filter.

Compatible with William Optics GT71, GT81, Z81 & Z103 telescopes which have an M63 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 0.8 x
Telescope connection M63 x 1
Camera connection M48 x 0.75
Image circle 44.4 mm (43.1mm with the Z103)
SKU WO-P-FLAT6AIII

 Backfocus distance

GT71
64.1 mm
GT81
62.1 mm
Z81
60.2 mm
Z103
57.5 mm

 

Adjustable distance for DSLR / Mirrorless camera

GT71
9.1 mm
GT81
7.1 mm
Z81
5.2 mm
Z103
2.5 mm

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