Features:

CTA-300 is the third generation Eyepiece Adapter. Connect the equipped smart phone to the slit lamps, microscopes, telescopes, Spotting Scope, Binocular or Monocular etc. With built-in camera app, you can take sharp images, capture videos, and then share all information via email, SMS, twitter, facebook.
1. Metal material 

2. Fast Installation, Easy Operation

3. Suitable for the most smart phones.

4. Send out high-res images directly from your phone via email, SMS, twitter or 3rd party apps

5. Work with Slit Lamp, Microscopes, Telescopes, Binoculars, Spotting scopes, Other Optical Instruments