- Bahtinov Focusing Mask
- Suitable for models such as Celestron C8 or EdgeHD8 OTAs
- This easy-to-use focusing mask is absolutely necessary to acheive spot on focus when shooting deep sky objects
- Suitable for optics with aperture fro 170mm up to 210mm, with tube diameter or dew shield no wider than 235mm
- Made of durable PVC material, plastic cone plugs are included, easy to set up on telescopes
Demonstration:
