Pocket Ophthalmoscope Halogen – Welchallyn – NSL – 12821

Halogen light for true tissue color and consistent, long-lasting illumination.
12 aperture/filter combinations for greater versatility: micro, small, and large spot sizes, cobalt blue filter for corneal exams, fixation target, and slit aperture, plus red-free filter and unfiltered halogen.
48 focusing lenses for better resolution
Takes 2 AA batteries (Not Included)