HEINE SIGMA 150 Binocular Indirect Ophthalmoscope
Ophthalmoscope for spectacle and headband, US Pat. 5,815,241. The Spectacle Indirect Ophthalmoscope for any pupil size. Two separate controls let you select the ideal setting for parallax and convergence to suit any pupil. The illumination beam can be adjusted by ± 3∫ to eliminate reflexes.

6V/5 W XHL Xenon Halogen bulb. Bright, white light.
Illumination beam adjustable ± 3∞. Eliminates reflexes
Integrated red-free filter. Versatile, fully-equipped.
Detachable blue and yellow filters. For Fluorescence Angioscopy.
Dust proof. Maintenance-free.
P.D. selection from 48 to 74mm. Suits any user.
Optics on swivel mount. Unrestricted view.
Extremely light, 90 g without frame. Light and comfortable