Ri-Scope L2 Xenon Ophthalmoscope

Diopter wheel with 29 corrective lenses Plus 1-10, 12, 15, 20, 40 Minus 1-10, 15, 20, 25, 30, 35 Easy-to-operate aperture hand-wheel with semi-circle, small/ medium/large circle, fixation star, and slit Includes filter wheel engageable for all apertures with symbol display, red-free filter, blue filter and polarization filter