Smart Optix Universal Digiscoping Field Guide Smart Phone Spotting Scope Adaptor Universal digiscoping adaptor Fits a phone or tablet up to 7.25 inches in length by 4.5 inches in width. Does NOT fit the Iphone 6+. Micro adjusting wheels allow for perfect alignment of the phone and the spotting scope or binoculars The Field Guide by Smart Optix is Made in the USA Keep your protective case on your phone when using the Smart Optix Field Guide