Description
What's Included
- Topcon SL-4E slit lamp body
- Table top and unit arm
- Power cable
- Instruction manual
- 90-day Digital Eye Center warranty
Condition & Warranty
Used. Inspected and confirmed fully functional. Covered by a 90-day warranty on parts and workmanship.
Topcon Slit Lamp SL-4E Used — 4-Step Magnification Biomicroscope
The Topcon slit lamp SL-4E is a versatile Galilean-type biomicroscope featuring four-step magnification and convergent binocular optics for sharp, fatigue-free stereoscopic examination. This Topcon slit lamp offers a wider magnification range than standard three-step instruments — with 6×, 10×, 16×, and 25× steps (using 12.5× eyepieces) — giving clinicians the low-power survey range needed for broad corneal assessment alongside the high-power detail needed for fine anterior chamber and lens evaluation. Topcon’s patented convergent binocular tube design with parallel objective lens delivers exceptional stereoscopic depth without the viewing fatigue associated with non-convergent designs. The SL-4E accepts multiple voltage inputs (100V, 120V, 220V, 240V) making it suitable for domestic and international clinical environments. This Topcon slit lamp includes the table top and unit arm; an electric table mount is available — contact us. Covered by Digital Eye Center’s 90-day warranty.
Research published in PLOS ONE confirms that slit lamp biomicroscopy remains the definitive standard for anterior segment disease identification and monitoring — underlining the clinical importance of a capable, well-maintained slit lamp in every examination lane.
Why Practices Choose This Topcon Slit Lamp
- 4-step magnification (6× – 25×) — a broader range than three-step instruments; the 6× setting provides wide-field survey capability for screening and documentation, while the 25× step supports detailed lens and corneal endothelial examination without switching eyepieces.
- Convergent binocular tubes with parallel objective — Topcon’s patented optical design aligns the viewing and illumination axes for consistent, parallax-free stereoscopic depth perception across all magnification steps.
- Multi-voltage compatibility — 100V / 120V / 220V / 240V rheostat-controlled AC input supports international deployment and accommodates older building electrical standards without a separate transformer.
- Table top and unit arm included — arrives as a complete examination station; no additional mounting hardware required to begin clinical use.
- Tonometer-ready platform — the SL-4E is designed to accept applanation tonometer attachments, giving practices the option to add IOP measurement capability as needed.
- Proven Topcon optical quality — the SL-4E family represents a long-running commercial platform with wide parts availability and familiarity among ophthalmic technicians and service providers.
- Used with 90-day warranty — fully functional instrument at a fraction of new cost, backed by Digital Eye Center’s warranty on parts and workmanship.
Clinical Applications
- Anterior segment examination — corneal evaluation (staining, edema, scarring), anterior chamber assessment (cell and flare), and lens grading using the full 4-step magnification range.
- Contact lens fitting — cobalt blue illumination for fluorescein pattern assessment; 6× setting for full-view fitting evaluation and 16×–25× for edge and base curve detail.
- Cataract pre-surgical assessment — retro-illumination and direct focal beam for nuclear, cortical, and PSC grading; the 25× step supports detailed posterior capsule evaluation.
- Corneal pathology monitoring — serial examination of dystrophies, ulcers, and post-surgical changes with consistent magnification and illumination settings across visits.
- Glaucoma angle screening — anterior chamber depth evaluation and gonioscopy preparation using the wide survey field at 6× and precision view at 25×.
Who This Is For
- Ophthalmology and optometry practices adding an additional examination lane and needing a capable, proven slit lamp platform at a used price point.
- Clinicians upgrading from a three-step instrument who want the extended low-power survey range the 6× setting provides without moving to a full zoom platform.
- International buyers where multi-voltage input (100–240V) eliminates power compatibility concerns in markets outside North America.
- Practices with existing tonometers who need only the biomicroscope body and want to use their current tonometer attachment.
Technical Specifications
| Specification | Detail |
| Model | Topcon SL-4E |
| Optical system | Galilean convergent binocular tubes, parallel objective lens |
| Magnification steps | 6×, 10×, 16×, 25× (with 12.5× eyepieces) |
| Power supply | AC 100V / 120V / 220V / 240V (rheostat-controlled) |
| Included hardware | Table top and unit arm |
| Tonometer | Not included (tonometer-ready platform) |
| Condition | Used |
| Warranty | 90-day Digital Eye Center warranty |
Compare Topcon Slit Lamp Options
| Model | Magnification | Tonometer | Price |
| Topcon SL-4E — Used | 6×, 10×, 16×, 25× | Not included | $3,100 |
| Topcon SL-6E — Used | 5-step | Optilasa included | $2,750 |
| Topcon SL-2E — Used | 10×, 16×, 25.6× | Haag-Streit 870 | $3,100 |
| Topcon SL-2G — Used | 10×, 16×, 25.6× | Haag-Streit 870 | $4,200 |
Need a tonometer included? See the Topcon SL-6E or the SL-2E with Haag-Streit 870 for complete slit lamp + tonometer packages.
Questions about this Topcon slit lamp? Contact us for availability and shipping details.
