The direct ophthalmoscope is used for examining the interior structures of the eye, especially the retina.

Features:
1. DM6C is available with AA alkaline or Ni-MH batteries. Bulb power: 2.5V, 1.6W.
2. Smart design and comfortable operation.
3. Suitable for small pupil.
4. 19 lenses from 0D to 20D: 0D, 1D, 2D, 3D, 4D, 6D, 8D,10D, 15D, 20D.
5. Aperture wheel: red-free filter, Large spot, small spot, hemispot.

Technical Specification:
Name of aperture Dimension of aperture Dimension of Image Angle of view
Red-free filter F2.4 F2.3 7degree  44' 24''
Large spot F2.4 F2.3 7degree  44' 24''
Small spot F1.2 F1.15 3degree  52' 28''
Hemispot F2.4 F2.3 7degree   44' 24''

Illumination of light spot: Light spot be apart from reflector 150mm: =85 lx
Diopter: 0D,  1D, 2D, 3D, 4D, 6D, 8D, 10D, 15D, 20D
Aperture: red-free filter, Large spot, small spot, hemispot
Rated voltage: AA alkaline or Ni-MH batteries