CAPTURE ASTONISHING IMAGES - Securely connect your smartphone to telescopes, binoculars, spotting scopes, monoculars, and microscopes for incredible photos and videos. UNIVERSAL COMPATIBILITY - Fits a wide range of eyepieces from 1.0 to 1.75 inches (25.4 - 44.45mm) and phones 2.28 - 4.06 inches (58 - 103mm), ensuring a snug fit. PRECISION ALIGNMENT - Features X,Y motion via a rack and pinion system for fine adjustments, allowing perfect camera alignment with the eyepiece view. DURABLE CONSTRUCTION - Crafted from cast metal, reinforced plastic, and aluminum for long-lasting durability, providing a stable platform for your phone.