New One-Piece Design: Combining eyepiece clip and phone clip in one, this innovative new 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 cell phone range: The size of the telescope phone holder is only 119 x 67 x 45 mm, and weighs only 100g, suitable for the outer diameter of the eyepiece is 23 - 50mm and the width range for the phone is 2 - 50mm. .6~9.0. 4cm/66~95mm Fits almost all smartphones and optical devices on the market. Stable and durable: Microscope iPhone adapter made of durable nylon + polymer fiber and metal parts. One-piece structure, multi-piece anti-loose design, 15mm eyepiece slot depth and non-slip thread, eyepiece lock is not easy to fall off, more stable. Universal Compatibility: This spotting scope phone adapter for optical devices, including astronomical telescopes, monoculars, Binoculars, microscopes and spotting scopes. Virtually all cell phones on the market now, including iPhone, Samsung, Google, Huawei, etc. are compatible. What you get: 1 x Telescopic cell phone adapter, 2/3/4mm EVA spacer in different thicknesses.