SECURE LOCKING - Features Baader's Clicklock system, ensuring eyepieces are held firmly and precisely, eliminating wobble and maintaining perfect alignment for superior viewing. ENHANCED COMPATIBILITY - Designed for smaller 2' SCT threads, this adapter broadens the range of telescopes and accessories you can use, increasing your setup's versatility. PRECISION ALIGNMENT - The knurled clamp level provides easy and secure adjustments, guaranteeing your accessories are perfectly aligned for optimal optical performance every time. ROBUST BUILD QUALITY - Crafted with meticulous attention to detail, this adapter weighs 5.78oz (164g) and is made to withstand frequent use, ensuring long-term reliability.