The e-scope ophthalmoscope is available with vacuum, halogen or LED illumination for higher-contrast and more efficient diagnosis. It comes equipped with a dioptre disc and 18 corrective lenses (+/- 1, 2, 3, 4, 6, 8, 10, 15, 20 dioptres). The easy-to-use aperture wheel has six different apertures (fixation star, large circle, small circle, blue filter,red free filter, and semi circle). Features high performance optics with aspherical condenser lens, spectacle protection, parallel optical path, and dust protection.