Binorum Bahtinov Focusing Mask 180-220mm
Professional Astrophotography Focusing Tool
The Bahtinov focusing mask is a unique accessory for achieving perfect image focus during astrophotography. This lightweight plastic mask installs directly onto your telescope's front aperture and works with telescopes having an outer diameter from 180mm to 220mm.
How the Bahtinov Mask Works
The Bahtinov mask creates distinctive diffraction spikes around bright stars, making precise focusing straightforward even for beginners. The central spike pattern clearly indicates when your telescope achieves optimal focus.
Step-by-Step Focusing Guide
- Attach the mask to your telescope and point it towards a bright star
- Turn on your camera and observe the selected star on the live view screen
- If the image isn't focused, the central line of the Bahtinov pattern will be offset
- Adjust the focuser until the central line sits precisely between the other two lines
- You have now achieved optimal focus - remove the mask and begin exposing your target object
Key Features
- **Lightweight plastic construction** for easy handling
- Compatible with telescopes 180-220mm outer diameter
- Creates clear diffraction spikes for precise focusing
- Essential tool for serious astrophotographers
- Quick and easy installation
Perfect for Astrophotography Enthusiasts
Whether you're capturing deep-sky objects, nebulae, or galaxies, achieving sharp focus is crucial for stunning results. This **focusing mask eliminates guesswork** and ensures your astronomical images are perfectly crisp every time.
Technical Specifications
- Material: Durable plastic
- Compatible telescope diameter: 180-220mm
- Installation: Front aperture mount
- Application: Astrophotography focusing
About Binorum - Precision Astronomy Equipment
Binorum represents excellence in astronomical accessories, created by astronomers for astronomers who demand the highest quality. With an extensive range of telescope accessories, Binorum focuses on delivering precision-engineered products that enhance your stargazing and astrophotography experience. Every Binorum product undergoes rigorous testing to ensure it meets the exacting standards required for serious astronomical observation. From focusing masks to eyepieces and filters, Binorum's commitment to quality makes it the trusted choice for both amateur and professional astronomers worldwide. Choose Binorum for reliable, accurate, and durable astronomy equipment that delivers exceptional performance under the stars.
