This Bahtinov mask is designed to help you achieve sharp focus when using your SVBONY, StarGuide, Astromania, Orion or any other clones of that guidescope. Made to fit telescopes with a 68mm dew shield diameter, this mask is compatible with a variety of models including StarGuide 60mm, SVBONY 106, Astroamina 60mm, and Orion 60mm, allowing you to achieve pinpoint focus regardless of the focal length. Featuring a sleek design and durable construction, this Bahtinov mask is a must-have accessory for astrophotography and star-gazing enthusiasts. Its compatibility with a range of models and its ability to produce sharp, bright beams make it the perfect addition to your telescope setup.