NEW ONE PIECE DESIGN - Combines eyepiece clip and phone clip in one. This telescope phone adapter is small, lightweight, and easy to install, store, and carry. The clip opening is made of silicone and will not scratch the phone or press the buttons. Applicable eyepiece and mobile phone range: The telescope phone holder measures 119*67*45mm and weighs only 100g. Suitable for eyepieces with an outer diameter of 23-50mm and phones with a thickness of 66-95mm. Compatible with most smartphones and optical devices on the market. STURDY AND DURABLE: Microscope iPhone adapter made of durable nylon, polymer fiber, and metal parts. One-piece structure with anti-loose design. 15mm eyepiece slot depth and non-slip thread help secure the eyepiece and prevent slippage for improved stability. Universal compatibility: This spotting scope phone adapter fits optical devices including astronomical telescopes, monoculars, binoculars, microscopes, and spotting scopes. Compatible with most phones on the market, including models from iPhone, Samsung, Google, Huawei, and others.