Description
The Topcon SL-2E Slit Lamp is a classic, durable slit-lamp biomicroscope engineered for reliable anterior segment examinations in both optometric and ophthalmic settings. Its optical subsystem employs converging binocular tubes paired with a parallel-objective (Galilean-type) design, providing fatigue-free stereoscopic viewing and a clear, comfortable field of vision.
The instrument offers three magnification steps (10×, 16× and 25.6× with standard 12.5× eyepieces) via a Galilean-type drum, enabling the clinician to effortlessly switch between wide overview and detailed inspection of the cornea, iris, lens and anterior chamber. Illumination is provided via a halogen lamp source with a continuously variable slit width from 0 mm up to 14 mm and slit length from 1 mm to 14 mm, giving full flexibility in configuring slit height and length for different examination techniques.
Built for everyday practice, the SL-2E includes built-in filters (such as blue/cobalt blue and green/red-free) to facilitate fluorescein and angiography-related exams, and a joystick/arm mechanism designed for smooth, controlled positioning of the microscope head and patient interface. The instrument’s robust construction and long-term reliability—borne out by decades of clinical use—make it an excellent value for practices that require dependable, no-fuss performance without the cost of ultra-high-end features.
In essence, the Topcon SL-2E is a time-tested slit lamp that delivers optical clarity, examination flexibility and ergonomics suited for general anterior segment work, contact lens assessment and routine patient lanes. It strikes a strong balance between performance and cost, making it a viable choice for clinics looking for proven functionality with minimal bells and whistles.
Technical Specs
| Microscope type | Converging binocular tubes with parallel objective lens (Galilean type) |
| Magnification changer | Three-step magnification: 10×, 16×, 25.6× using standard 12.5× eyepieces |
| Eyepieces | 12.5× (Hi-eye-point) standard |
| Slit width | Continuous from 0 mm to 14 mm |
| Slit length | Continuous from 1 mm to 14 mm |
| Aperture diameters / field sizes | Ocular enlargement 12.5×; field of view at magnifications: Ø 18 mm, 14.5 mm, 11.25 mm, 9 mm |
| Filters included | Blue (cobalt blue) and green (red-free) filters standard; other configurations may include heat-absorbing filter |
| Light source / illumination | Halogen lamp system |
| Intended use | General anterior segment examination, routine clinic use, contact lens work |
| Power supply / voltage | AC supply (100-240 V typical; region dependent) |
| Design features | Fatigue-free stereoscopic optics; robust clinical construction; joystick control and ergonomic layout |














