Hot 90D 78D 20D Aspheric lens fundus contact ophthalmology Retina slit lamp

Retinal lenses are made of high transmittance glass and precision double aspheric designs that yield an extremely wide field of view and sharp image. Available with 20D, 78D, and 90D in black ring.

Specification:

20D Specifications:
1. Magnification ratio: 2.97X
2. Static FOV: 50°
3. Working distance: 47mm
4. Clear Aperture: Ø48mm
5. Dimension: Ø56*20mm

78D Specifications:
1. Magnification ratio: 0.98X
2. Static FOV: 88°
3. Working distance: 7.0mm
4. Clear Aperture: Ø26mm
5. Dimension: Ø33*14mm

90D Specifications:
1. Magnification ratio: 0.75X
2. Static FOV: 94°
3. Working distance: 5.0mm
4. Clear Aperture: Ø18mm
5. Dimension: Ø25*13mm

2.LED illumination: the first and the only portable slit lamp in the world applying LED illumination system.

The most prominent advantage of our LED illumination system gives examiner the clearest image without glare;

3.Comfortable using experience: The low heat radiation from our LED lamp makes the most comfortable examine experience for the patient;

4.Sharpest Slit: With the blade imaging system gives equally sharpest slit as the best classic slit lamp in the world;

5.No need to replace illumination lamp: The LED lamp used in S150 portable slit lamp is rated 20,000 hours at full power.

Its life time is almost 10 times longer than normal halogen lamp;

6.Power-saving:  can work for long hours without changing batteries.