SUNWAYFOTO SPA-3060 Universal Magnetic Smartphone Adapter - Fits Binoculars, Monoculars, Spotting Scopes (Starscope Compatible) & Biology Microscopes | For Hunting & Camera Photography, Works with iPhone & Eyepiece Outer Diameter 22-60mmMaterial: Aluminum T6061 Net Weight: 180g 6. 35oz Dimensions: 148*83*32(mm) 5. 83*3. 27*1. 26in Compatible Phone Width:>55mm 2. 17in Compatible Eyepiece Diameter: 22 60mm 0. 87 2. 36in Included Magnetic Ring Diameter: 55mm 2. 17in Compatible Optics: Fits optical devices with eyepiece outer diameter ranging from 30 60mm, including binoculars, monoculars, spotting scopes and star scopes. Compatible Phones: Works with all smartphones wider than 55mm;