Product Features
1. Optical Path Design: In China, it features coaxial illumination and observation optical paths. The fundus observation field of view is 40% larger than that of other domestic ophthalmoscopes, allowing for clear fundus imaging even with small pupils.
2. Rich Configuration: It has six diaphragms including micro, small, large, grid, slit, and cobalt - blue diaphragms; three switches including red - free filter, through - hole, and cross - linear polarizing filter; and twenty - eight diopter compensations ranging from - 25D to + 40D, providing eighteen personalized examination modes.
3. Advantages of Cobalt - Blue Filter: The cobalt - blue light can induce fluorescence. When combined with + 20D or + 40D lenses, it can clearly observe subtle corneal lesions and easily detect hard - to - notice lesions such as herpes simplex dendrites, minor corneal contusions, and corneal foreign bodies.
4. Function of Polarizing Filter: The cross - linear polarizing filter can be combined with the six diaphragms arbitrarily, eliminating 99% of corneal interference reflections and providing a glare - free, stray - light - free, and reflection - free visual environment for clinical diagnosis.
5. Diopter Compensation: The diopter compensation range is from - 25D to + 40D, with convenient switching and more comprehensive compensation to meet the focusing requirements at different distances and different depths in the eye.
6. Characteristics of Red - Free Filter: The red - free filter can be combined with the six diaphragms arbitrarily, making it easier to observe subtle changes in the retinal blood vessels, macular degeneration, optic nerve fibers, and distinguish between arteries and veins.
7. Light Source Advantages: It uses a 3.5V xenon - halogen high - fidelity light source, providing bright white light with stepless continuous dimming, restoring the true color of biological tissues. Its lifespan is twice that of ordinary bulbs, and its brightness is three times that of ordinary bulbs.
8. Structural Design: It adopts a fully - enclosed dust - proof and rechargeable structure design. The fully - enclosed dust - proof design keeps the optical system clean, and the rechargeable structure and photoelectric switch make it more convenient to use.
Technical Parameters
1. Bulb Power: 3.5V 2.7W
2. Battery: Internal rechargeable lithium - ion battery with a capacity of 2000mAh, an output voltage of 3.6V, and can work continuously for 3 hours when fully charged.
3. Charger Power Supply: Connects to AC 220V±22V, with a frequency of 50Hz±1Hz.
4. System Composition: Ophthalmoscope, rechargeable lithium - ion battery handle, DT801 single - seat charger, and adapter.