Metal + plastic materials, tough and durable

Compatible with telescope eyepieces with housings up to 65mm in diameter

Works with virtually any point-and-shoot digital, SLR, and DSLR cameras

Bracket rotation allows visual access of eyepiece without disrupting camera/eyepiece alignment

Phone clip holder range: 54mm - 83mm

Compatible with iPhone 6s Plus/6 Plus, Samsung Galaxy S7 etc., and other phones within the size