William Optics Bahtinov Mask Cover for GT81 / Z81

The William Optics Bahtinov Mask Cover is an essential accessory for precise focusing in astrophotography. Designed to fit the William Optics GT81 and Z81 telescopes, this Bahtinov mask cover ensures accurate focus for your celestial observations and imaging.

Specifically designed for the William Optics GT81 and Z81 telescopes.

Compatibility

---

The Bahtinov mask cover is custom-made to fit William Optics GT81 and Z81 telescopes, ensuring a secure fit and optimal performance.

Enhanced Focusing Accuracy

---

The Bahtinov mask pattern allows for precise focusing by creating diffraction spikes when viewing a bright star, making it easy to achieve perfect focus for astrophotography.

Durable Construction

Made from high-quality materials, the Bahtinov mask cover is built to withstand regular use and provides long-lasting durability.

Precision Engineering

Engineered for a perfect fit on the GT81 and Z81 telescopes, the Bahtinov mask cover ensures stability and accuracy during focusing.

Ease of Use

The Bahtinov mask cover is easy to attach and remove, making it convenient for quick adjustments in the field.

Versatility

Ideal for both beginner and experienced astrophotographers, the Bahtinov mask cover is an essential tool for achieving sharp, detailed images of celestial objects.