Easy to install with no tools required - 53mm ring version
With the Olivon Smartphone Holder you can take pictures through your spotting scope/binocular with a smartphone. The adaptor works with most spotting scopes/binoculars and smartphones. The adapter adjusts to hold your phone in the correct position. Then it is attached to the eyepiece of the spotting scope/binocular and held in place by adjusting the three grub screws on the side of the ring.
This model is for the 53mm ring version (44mm and 61 mm are also available) select the ring size based on the eyepiece you want to attach it to. This ring comes with three pieces of self-adhesive rubber grip pads of various thicknesses that can be attached to the inside of the ring to reduce the diameter. The adaptor fits most phones up to maximum of approx 72mm wide with the distance from the base of the phone to the centre of the camera up to a maximum approx 125mm.