Ezer – Slit Lamp Microscope – ESL-7800

Ezer ESL-7800 Slit Lamp Microscope provides a more accurate diagnostic with specialized optics and increased magnifications levels. The ESL-7800 Slit Lamp Microscope is the highest quality slit lamp in Ezer’s series. Designed in the traditional tower style configuration, the ESL-7800 offers specialized optics, greater magnification levels and wide field-of-view. It boasts an advanced Galilean Optical System and a five-step revolving drum that allows for an easier exchange of the magnification levels than exchanging an eyepiece. Using the unit’s accessories mount, the ESL-7800 can be equipped with a Goldman applanation tonometer as well as several other accessories, including video accessories. High-clarity luminance, two reflecting mirrors, four built in filters, two fixation targets, and a hruby lens kit are among the many specialty items that practitioners will benefit from when selecting the high-end ESL-7800. Great features, quality design, flexibility and performance make Ezer’s ESL-7800 Slit Lamp an exciting choice at a compelling value.

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slit lamp esl-7800 ezer - us ophthalmic
Advanced Optic System
The optics in the ESL-7800 Slit Lamp are ideal for technologically advanced imaging systems. An optical beam splitter featuring an “in-out” prism system allows maximum illumination to the practitioner during observation and likewise enables to digital and video imaging systems when these tools are in position. The dual port beam splitter also allows an assistant scope to be attached.

slit lamp esl-7800 ezer - us ophthalmic
Magnification Selection Dial
Operators can select from five steps of magnification simply by twisting a single knob. Changing an eyepiece is not required. Using the conveniently located knob, operators can select from total magnification ratios equivalent to 6x (Ø33mm), 10x (Ø22.5mm), 16x (Ø14mm), 25x (Ø8.8mm), and 40 (Ø5.5mm).

slit lamp esl-7800 ezer - us ophthalmic

Ezer’s ESL-7800 Galilean converging optical system offers a very large binocular field of view of Ø33mm, Ø22.5mm, Ø14mm, Ø8.8mm, and Ø5.5mm, with a 55mm-75mm range of PD adjustment and -5D to +3D diopter adjustment.

slit lamp esl-7800 ezer - us ophthalmic
Two Fixation Targets
The ESL-7800 offers two options with respect to fixation targets. One option is for diopter adjustment in order to help the patient see the target clearly, while the other is an illuminated fixed spot. The fixation target with diopter compensation supplies a dot and concentric circles target. Operators simply slide the knob to adjust the diopter compensation within the range from -15D to +10D. The fixation target with spot light is especially well suited to patients with refractive errors exceeding -15D.

slit lamp esl-7800 ezer - us ophthalmic
Continuous Slit Rotation and Aperture Adjustment
The ESL-7800 features 2/3x slit projection magnification and enables users to modify slit width continuously from 0mm to 9mm. The slit becomes a circle at 9mm. A helpful scale on the knob indicates the width value. The slit height also can be changed continuously, from 1mm to 8mm. Aperture diameters are Ø9mm, Ø8mm, Ø5mm, Ø3mm, Ø2mm, Ø1mm, and Ø0.2mm. The slit angle is continuously adjustable from vertical to horizontal from 0° to 180°. Four steps of slit inclination—5°, 10°, 15°, 20° — also are available for oblique illumination in contact lens evaluations.

slit lamp esl-7800 ezer - us ophthalmic
Ergonomically Designed Illumination Control
The smooth classic design of the ESL-7800 allows for precise movements and easy operation of the joystick and knobs. For example, the illumination lever is conveniently located next to the joystick. The brightness control switch can be set to high or normal, making diagnostic procedures even easier.

slit lamp esl-7800 ezer - us ophthalmic
Accessories Mount
This ESL-7800 slit lamp can be equipped with the TN-150 / TN-150B applanation tonometer as well as several other accessories.

slit lamp esl-7800 ezer - us ophthalmic
Fundus Observation
Unlike standard slit lamp units, Ezer’s ESL-7800 also allows for a dilated examination of the fundus and the posterior segment of the vitreous body using a Hruby lens with the unit’s Hruby lens holder and Hruby lens guide plate.

slit lamp esl-7800 ezer - us ophthalmic
High Clarity Luminance and Built-in Filters
The ESL-7800 utilizes a 6-volt, 20-watt halogen bulb that provides incredible clarity. Four built-in illumination pathway filters can be effortlessly inserted into the illumination pathway using the selection lever. Options include a heat absorption filter that aids in patient comfort during lengthy exams, a red-free filter that enhances structural contrast, a cobalt blue filter for use in fluorescein assessment, and a grey filter.

slit lamp esl-7800 ezer - us ophthalmic
Integrated Control Joystick
The integrated joystick is simple to control and allows operators to acquire sharp images. The base operation of the ESL-7800 offers the following movements to provide flexibility, comfort and precision—forward and back movement to 90mm; left and right movement to 100mm, fine movement to15mm and vertical movement to 30mm. The joystick moves horizontal for fine-tuning and vertical for height and target alignment. Once you achieve the proper alignment, the base can be locked to prevent sliding.

Additional information

Microscope Type

Galileo magnification changer with converging

Microscope Model Magnifying

5 steps by drum rotation

Microscope Eyepiece


Microscope Total Magnification Rate

6x 10x 16x 25x 40x

Microscope (Field of view)

(ø 1.3in) (ø 0.9in) (ø 0.6in) (ø 0.31in) (ø 0.2in)

Microscope Range of P.D. Adjustment

2.16 to 3 in

Microscope Diopter Adjustment

-5D to +3D

Illumination Slit Projection Magnification


Illumination Slit Width

continuous from 0 to 0.35in
(at 0.35in, slit becomes a circle)

Illumination Slit Height

continuous from 0.04in to 0.31in

Illumination Aperture Diameter

ø0.35in, ø0.31in, ø0.2in, ø0.12in, ø0.08in, ø0.04in, ø0.008in

Illumination Slit Angle

0º to 180º continuously adjustable from vertical to horizontal

Illumination Slit Inclination

5º, 10º, 15º, 20º four steps

Illumination Filter Piece

heat-absorption, Gray, Red-free and Blue

Illumination Bulb

6V20W halogen bulb

Base Fore and Back Movement


Base Left and Right Movement


Base Fine Movement


Base Vertical Movement


Chin-rest Parts Vertical Movement


Chin-rest Parts Fixation Target


Hurby Lens

-58.7D (optionally available in some regions)

Power Source Input Voltage

100/220V ~ ±10%

Power Source Input Frequency

50/60 Hz

Power Source Input Power


Power Source Output Voltage

Illumination bulb 0V ~ 6V
Fixation target 6V

Power Source Electric Safe Standard

Conform to Standard IEC601 – 1, Class I Type B

Packing Box

28.34 x 19.5 x 19in

Total Weight


Net Weight




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