Model: SL-520
The SL-520 is 5 Step Slit Lamp and it’s features a parallel Galilean optical system with stereoscopic binocular imaging and a five-step magnification range (6x, 10x, 16x, 25x, 40x). It supports upgrades to teaching and digital configurations and uses a long-life warm LED illumination system with PWM-stabilized brightness and continuous intensity control.
For clinics that prefer a simpler setup, the SL-320 3-Step Slit Lamp offers the same optical platform and LED illumination system with a streamlined three-step magnification design (10x, 16x, 25x), making it suitable for routine anterior segment examination.

Uses a warm LED light source built for long service life and stable illumination. It delivers consistent, comfortable lighting during exams and reduces the need for lamp replacements, helping clinics keep daily workflow smooth.

The base supports stepless dimming with PWM-stabilized output, so brightness adjusts cleanly without flicker. This gives you precise control of illumination at any magnification level—whether you're observing the cornea, anterior chamber, or deeper structures.
| ITEM | SL-520 / SL-320 |
|---|---|
| Microscope Type | Galilean System |
| Magnification Changer | Revolving Drum |
| Eyepiece Magnification | 12.5X |
| Slit Width | 0mm~14mm Continuously Adjustable |
| Slit Length | 1mm~14mm Continuously Adjustable |
| Slit Angle | 0~180° Continuously Adjustable |
| Filter | Heat Absorption, Grey, Redfree (Green), Cobalt Blue |
| Light Control | PWM: Pulse Width Modulation |
| Light Source | Warm LED |
| Magnification | SL-520: 6.3X, 10X, 16X, 25X, 40X SL-320: 10X, 16X, 25X |
| Diopter | ±7D |
| Pupil Range | 52mm~85mm |
| Visual Field Diameter | SL-520: 6X:33mm, 10X:22mm, 16X:14mm, 25X:8.5mm, 40X:5.5mm SL-320: 10X:22mm, 16X:14mm, 25X:8.5mm |
| Illumination Type | Haag-Streit Type |
| Immigration Tilting | 5°,10°,15°,20° |
| Slit Aperture Size | φ0.2, φ1, φ3, φ5, φ10, φ14(mm) |
Trusted Services:
1. Video chat to check 5 Step Slit Lamp.
2. Free online technical support and training.
3. Free online installation support.
4. 1-3 Years quality warranty.
5. Lifetime after sales support.
6. Most products are CE and ISO 13485 certificated.
7. Free input voltage and plug customization for electrical machines.
8. Fast worldwide shipping, 5-10 working days delivery for most countries.
9. Partial prepayment is acceptable before shipping.
10. Discount price, non-branded or customized products can be offered for distributors.
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