Starizona HyperStar 2-Piece Bahtinov Mask - 9.25 inch
Starizona
HyperStar 2-Piece Bahtinov Mask is a focusing mask for dialing in sharp focus on compatible HyperStar imaging setups.
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Starizona
In stock
Specifications
Optics
- Optical type
- Bahtinov focusing mask
Compatibility
- Compatibility
- Celestron C9.25 SCT / EdgeHD HyperStar systems
Use
- Primary use
- Critical focus checks on HyperStar optical trains
Astrophotography Fit
Best for quick, repeatable focus checks on compatible HyperStar systems.
HyperStar 2-Piece Bahtinov Mask creates a diffraction pattern that makes focus easier to judge than star size alone. It is a setup and verification tool, not an optical corrector.
Use it on the compatible aperture and remove it before imaging. It will not solve tilt, collimation, or spacing problems in the HyperStar train.
Best paired with
- Compatible HyperStar-equipped SCTs
- Bright stars near the target field for focus checks
- Capture workflows without reliable autofocus
Not recommended for
- Leaving in place during actual exposures
- Non-HyperStar apertures or unsupported telescope sizes
- Fixing collimation, tilt, or tracking issues
Where To Buy
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| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| Starizona Starizona | $39.95 | In stock Updated 5/12/2026 | View Offer - $39.95 |