A smartphone holder, also called a smartphone adapter, is used either to attach a smartphone to the telescope, or to firmly attach a smartphone to an eyepiece. With the latter method, you can achieve surprisingly good Moon and planetary images.
Omegon
Easypic Universal Smartphone Adapter
$ 99.00
ready for shipping in 24
h
Bresser
Smart Phone Imaging Adapter
$ 10.90
ready for shipping in 24
h
Bresser
Deluxe smartphone holder
$ 15.90
ready for shipping in 24
h