William Optics 0.72x - Flattener and Reducer for Full-Frame
The William Optics 0.72x Combines a flattener and reducer in one. It corrects the curvature of the image field and reduces the focal length by up to 0.72x. This means you'll expose longer objects faster and utilize the full field of view of your full-frame sensor.

This flattener is designed for the large William apo refractors: GT102 (3″ focuser), FLT132 and GT153. It uses a triplet of high-quality Ohara glass and has an FMC coating for maximum sharpness and minimum reflections. Your stars stay sharp to the edges of the image, even on large sensors.

You can adjust the distance to the telescope by rotating the flattener. This way you adjust it for different cameras, from DSLR to CCD and CMOS. Filters and other accessories easily screw onto the M48 filter thread. The system remains stable and sturdy during long exposures.
With the William Optics 0.72x you get professional results from your refractor, without fuss and with an optimally exposed and sharp image.
Specifications
Capacity
| Feature | Description |
|---|---|
| Connection on camera side | M48 |
| Telescope connection | M92 |
| Focal reducer | 0,72 |
| Corrected field of view (mm) | 44,4 |
| Filter thread | yes |
General
| Feature | Description |
|---|---|
| Type | Flatteners, Correctors, Reducers |
| Design | Flattener |





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