Levenhuk A10 Smartphone Adapter is a very useful accessory for everyone interested in astrophotography, or shooting wildlife or microcosm. The adapter allows you to install any smartphone model on your telescope, microscope, binoculars, or spotting scope. Now you can take pictures of Saturn's rings, record quality video of running wild boars, capture moving ciliates, and photograph many other interesting things that you can immediately e-mail to your friends or post on Instagram! The assembly process is very easy – install the adapter on the eyepiece of your optical instrument, and then install your smartphone onto the adapter. All you have to do is turn on the smartphone camera, center it, and adjust the focus of your optical device to get clear and sharp views of observed objects. Usage: General use product. May be used by kids over 3 years old.