HEINE ophthalmic instruments set the industry standard for optical quality and diagnostic accuracy. The HEINE range includes a wide variety of high-quality ophthalmic instruments for all aspects of general and specialised examination of the eye: Direct and Indirect ophthalmoscopes, specialty ophthalmic instruments including retinoscopes, retinometers,hand-held slit lamps and ophthalmic examination lamps.
The HEINE Ophthalmoscopes benefi t from numerous patents and registered trade marks. The main features: The aspherical optical system (AOS) in HEINE BETA® Direct Ophthalmoscopes, the ParaStop® feature in the HEINE Retinoscope and the simultaneous adjustment of convergence and parallax in HEINE OMEGA® Indirect Ophthalmoscopes.
Unique optical system. HEINE optimizes the Gullstrand principle with aspherical optics (separation of illumination and observation beam). Corneal and iris reflexes are eliminated, (see illustration below). A full view is guaranteed even with small pupils.
XHL Xenon Halogen Technology. Bright, white light.
Range of lenses: 74 lenses from -36 D to +38 D. Perfect focus even with high refractive errors.
For more detail: http://www.heine.com/PRODUCTS/PRODUCT-OVERVIEW/Ophthalmic-Instruments/Direct-Ophthalmoscopes/HEINE-BETA-R-200S-Ophthalmoscope