Simultaneous Viewing Through the Photo Port and Eyepieces Adjustable Parfocal Trinocular Port Industry Standard 23mm Photo Port and C-mount Port 30 Inclined 360 Swiveling Compensation Free Trinocular Head for Clinics, Vets, Doctors and Medical School Students Package Including:Microscope *1 Notes: Due to manual measurement, please allow an error of 2-3 cm. The actual color may be slightly different from the picture due to different lighting. Due to the different display and shooting light and some irresistible factors, color can not be completely avoided!