- Description
- Specifications
The William Optics FLAT GT is a 1.0x field flattener for compatible Gran Turismo refractors, designed to improve edge-to-edge star sharpness without reducing focal length.
Who Is This Product Best For?
Best for astrophotographers using compatible William Optics GT refractors who want a flatter imaging field for deep-sky photography.
Why Choose This Product?
- 1.0x correction: Keeps the telescope focal length unchanged.
- Field flattening: Improves corner star shape.
- GT compatibility: Designed for compatible Gran Turismo refractor setups.
Recommended Uses
- Deep-sky astrophotography
- GT refractor imaging setups
- Improving corner stars
Compatibility and Accessory Notes
Confirm telescope compatibility, camera adapter, and required backfocus spacing before imaging.
Important Limitations
This is an imaging accessory and requires correct spacing for best results.
Our Recommendation
Choose the FLAT GT when your compatible GT refractor needs field correction without focal reduction.
| Product Type | Field flattener |
|---|---|
| Reduction Factor | 1.0x |
| Primary Compatibility | Compatible William Optics Gran Turismo refractors |
| Primary Use | Astrophotography field correction |
| Important Note | Correct backfocus spacing is required for best results |
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