William Optics 0.72x Reducer/Flattener 8
William Optics 0.72x Focal Reducer & Field Flattener
This adjustable William Optics 0.72x Reducer/Flattener is a revolutionary new device suitable for use with f/6 to f/7.8 focal ratio refractors such as the WO GT153, FLT132, and 102GTS. An essential accessory for refractor astrophotography, this flattener features high quality CNC machined construction. With excellent field flattening performance, this unique accessory will finally allow you to see those round stars!
Lens
- ED Triplet APO design covers full size DSLR cameras with 50 mm clear lens aperture.
- STM coated using a fine doublet air spaced design.
- Produced with nothing but first-rate Ohara optical glasses.
- 0.72x flattener power.
- 45 mm enables completely illuminated imaging circle.
Superb Finish
- Boasts stylish William Optics anodized exterior coatings.
- Eliminates reflections with threading and blackening on all internal surfaces.
- Both sides feature protecting covers.
Easy To Use
- Accepts all camera T-rings with standard M48x0.75 thread.
- Works with all refractors in the f/6 to f/7.8 focal ratio range including the GT153, FLT132, and 102GTS. Fits 3" and larger focusers with M92x1.0 threads such as the William Optics Feather Touch focuser.
Adjustment Distances
- 102GTS: 12.1 mm
- FLT132: 8.4 mm
- GT153: 5.4 mm
