Telescope Bahtinov Focus Mask, 100 to 140mm Acrylic Precision Focusing Tool for Astrophotography Telescope Objective Lens Accessories with 3 Metal Posts

Product description

• Universal Compatibility This Bahtinov Focus Mask is designed to work seamlessly with all types of telescopes including reflectors refractors Dobsonians Mak Cas and model. Simply measure your telescope tube size and select the appropriate mask for a fit. Its versatile design ensures optimal performance across various telescope configurations making it an essential tool for amateur and professional astronomers alike.
• Accurate Focusing Achieve crystal clear images with our precision engineered Bahtinov Mask which eliminates guesswork from the focusing process. Even under challenging vision conditions this innovative tool helps you attain suitable focus quickly and easily. The unique diffraction pattern created by the mask allows for pinpoint accuracy ensuring your telescope delivers the sharpest possible views of celestial objects.
• Secure 3 Post Design Featuring three sturdy metal posts with protective silicone covers our focus mask grips your telescope tube firmly without causing scratches or damage. The triangular mounting system prevents slippage while maintaining centering for consistent performance. The silicone covers provide extra protection for your valuable telescope ensuring a secure yet gentle hold every time you use it.
• Lightweight Balanced Despite its robust construction this Bahtinov Mask maintains an exceptionally lightweight profile that won't disrupt your telescope's balance. The clever three post mounting system accommodates a wide range of telescope sizes while keeping the mask perfectly centered. You'll appreciate how this design maintains your equipment's equilibrium during crucial observation sessions.
• Optimized Size Range Specifically designed for telescopes with objective lenses between 100mm and 140mm in diameter (with a slight 1 2mm margin for manual measurement variations) this focus mask offers suitable coverage for many popular telescope model. The 2mm thick acrylic construction provides durability without adding unnecessary weight making it an ideal companion for your astronomical adventures.