SKU: P-FLAT-RC

Dr. Flat Master (0.8x Reducer)

Name: Dr. Flat Master (0.8x Reducer)
Brand: William Optics
SKU: P-FLAT-RC
Price: 845.00 USD
Availability: InStock

$845.00 USD

The William Optics Dr. Flat Master is an apochromatic triplet reducer/flattener designed for 12" - 16" WO and GSO Ritchey-Chrétien telescopes. It reduces the focal length by 0.8x and flattens the field, making it ideal for full-frame sensors with a 52mm image circle. Featuring an M48 x 0.75 camera connection and a backfocus distance of 86.15mm, this accessory enhances your astrophotography setup by expanding your field of view and ensuring edge-to-edge sharpnes.

Technical Specification

Lens Type: 2 Groups 3 Elements

Length: 64.5 mm

Telescope Thread: M92 x 1 x 6 mm

T-mount Thread: M48 x 0.75 x 4 mm

T-mounts Supported: Canon EF, RF; Nikon F, Z; Sony E; Pentax K; MFT (M4/3); FUJI X

Camera Format: > Full Frame

Weight: 697.4 g / 1537.5 lbs

Diagram Reports

Dr. Flat Master (0.8x Reducer)

$845.00 USD

Flattener compatibility table

	FLAT 61A 1.0x	FLAT 61R 0.8x	FLAT 73A 1.0x	FLAT 73R 0.8x	FLAT GT 1.0x	FLAT 6AIII 0.8x	FLAT 68III 1.0x	FLAT 7A 0.8x	FLAT 8 0.72x	Ultra 132 0.79x	Ultra 156 0.79x	Dr. Flat 0.8x
GS-61	★	★
Z-61	★	★
Z-73			★	★
Z-81						★
Z-126							★	★
GT-71					★	★
GT-81					★	★
GT-81 WIFD					★	★	Adapter
GT-102							★	★	★
GT-153							★	★	★
FLT-91						Adapter	Adapter
FLT-120							★	Adapter
FLT-132							★	★	★	★
FLT-156							★	★	★		★
RC Series												★
Pleiades Series	No Flattener Required
Cat Series	No Flattener Required