ZEISS Essential Line: SL 120 Slit Lamp

Operational convenience as well as outstanding optical and mechanical performance make the SL 120 slit lamp a powerful all-rounder.

Call for Price and Availability
Request a Quote


ZEISS ESSENTIAL Line: SL 120 Slit Lamp


Operational convenience as well as outstanding optical and mechanical performance make the SL 120 slit lamp a powerful all-rounder with great application flexibility. This highly durable and reliable instrument provides detailed, contrast-rich images for accurate and efficient eye examination – all day, every day. It can be easily upgraded to support additional applications.

Convenient Imaging

The SL 120 features the SL Imaging Module, enabling image and video recording of all examinations – whether for documentation, patient consultation or presentations.

The SL cam 5.0, a fully integrated, highly compact 5-megapixel camera, and the SL imaging software, combine forces to deliver high-resolution images and videos. User-specific capture settings and image review functionalities promote a smooth workflow. The SL Imaging Module is also available as an easy upgrade kit for existing SL 120 slit lamps.

Outstanding Optical Performance

  • Excellent optical transmission with high-resolution, high-contrast images for all eye examinations
  • Large 14 mm illuminated field for observation of the entire anterior segment
  • Stereo microscope with 5 magnification steps for convenient observation from overview to detail
  • Highly durable for reliable daily use over many years

Simple Operation and Flexibility

  • Single-handed operation and ergonomic design support a comfortable body posture throughout the procedure
  • Intuitive, precise joystick operation, quick action brake and easy-grip controls
  • Choice of parallel or convergent tube
  • Tiltable prism head* to reduce reflections during contact lens examinations

Additional Applications

  • SL Imaging Module* for convenient documentation of clinical findings and patient consultation
  • Applanation tonometer* (two versions: AT 020 & AT 030) for precise intraocular pressure measurement
  • 10x eyepiece* for easy assessment of clinical findings such as length and angle measurement

Selection of Optional Accessories

  • SL Imaging Module: SL cam 5.0 – SL 120/130, SL cam 5.0 – beam splitter
  • Applanation tonometer: AT 020, AT 030
  • Tube: Parallel tube, convergent tube
  • Eyepiece: 10x eyepiece for length and angle measurement; 10x or 12.5x eyepieces
  • Ergonomics ACCENTO® ergo tube (can only be used in combination with an additional accessory like beam splitter); fixation light
  • Laser Attachment: VISULINK® 532/U with laser application for VISULAS® 532s


ZEISS SL 120 Slit Lamp Brochure



ZEISS ESSENTIALS: Only Available in the United States

Financing Available






• Magnification: 5x, 8x, 12x, 20x, 32x with 10x eyepieces 6x, 10x, 16x, 25x, 40x with 12.5x eyepieces
• Field of view diameter: 40 … 6 mm with 10x eyepieces 31 … 5 mm with 12.5x eyepieces
• Eyepiece magnification: Optionally 10x or 12.5x super high-eyepoint eyepieces, compensation of ametropia ±8 D
• Width of slit image: Continuous from 0 to 14 mm
• Length of slit image: In steps 0.3 / 3.5 / 8 / 14 mm; continuous 1 … 6 mm
• Rotation of slit image: Continuous ±90°
• Decentration of slit image: ±4° horizontally, click stop at 0°
• Swivel range of slit projector: 180°, scale for angular difference; click stops at –10° / 0° / +10°
• Angle of incidence: 0°; 0° … 20° tiltable with tiltable prism head*
• Filters: Blue, green (red-free), swing-in; heat-reflecting filter, permanently integrated; diffusing screen, swing-in
• Free working distance exit prism / patient’s eye: 65 mm, 2.5 in
• Travel of instrument base: 30 mm (vertical), 1.2 in (vertical), 110 mm (lateral), 4.3 in (lateral) 90 mm (axial), 3.5 in (axial)
• Vertical travel of headrest: 59 mm 2.3 in
• Projection illumination: 6 V / 20 W halogen lamp
• Brightness: Continuously adjustable
• Rated voltage: 100 … 240 V ±10%, self-sensing, 50 / 60 Hz
• Weight Basic instrument: Basic instrument 9.75 kg (21.49 lbs); headrest 1.25 kg (2.76 lbs)
• Dimensions of basic instrument: (W x H x D) 300 mm x 430 mm x 355 mm 11.8 in x 16.9 in x 13.9 in