Universal Cell Phone Adapter Spotting Scope Cellphone Adapter Mount- Universal Digiscoping Binocular Telescope Microscope Monocular etc<br /> product details<br />Minimum working size telescope fixtures: 2.5cm <br />Maximum work size telescope fixtures: 5cm <br />Telescope jig Material: Zinc Alloy <br />Mobile jig minimum working size: 5cm・   Maximum work size jig phone: 9cm <br />Weight: 155g ・   Color: Black