Make precise focus a simple step with the Bahtinov Mask Filter for your popular 135mm lenses. Specifically designed to work with Smyg 135mm and Cann 135mm telescope lenses, this V2 model delivers sharper, more actionable diffraction patterns that guide you to perfect focus in seconds. The 3D printed body ensures a snug, lightweight fit that won't add unnecessary bulk to your optical setup, while the tailored pattern surface provides reliable performance across a range of focusing conditions.
Whether you're capturing wide-field starlight, planetary detail, or deep-sky targets, this filter helps you lock focus quickly, reducing trial-and-error adjustments and post-processing time. Its compact form makes it an easy add-on for field sessions, enabling faster setup so you can spend more time imaging and less time tuning. The V2 design emphasizes clearer line intersections and more stable alignment, helping you achieve repeatable results in varying lighting and exposure scenarios.
Use cases span routine astrophotography sessions, hobbyist observations, and educational demonstrations where accurate focusing is essential. The Bahtinov Mask Filter is a practical, reusable tool that you can rely on for dependable performance, season after season. As part of your imaging kit, it supports consistent framing, sharper stars, and a smoother workflow from capture to calibration, delivering noticeable improvements in the overall quality of your images.