Retinal Camera VX-20 - Kowa

Retinal Camera VX-20

VX-20 Combination Mydriatic/Non-Mydriatic

An innovative design that is patient friendly and easy to use.

The VX-20 is Kowa's unique, hybrid combination retinal camera that offers versatile, high quality retinal imaging in one easy-to-use system. Due to its outstanding features, the VX-20 remains the first choice for clinicians. With a built in PC and high-resolution camera, this fundus camera is a versatile diagnostic tool with stand-alone capability. The VX-20 fits perfectly within the clinical environment. The VX-20 offers enhanced functionality at the touch of a button allowing the clinician to switch quickly between mydriatic & non-mydriatic modes. It includes a 7 inch wide, LCD color touchscreen that is simple to use and ideally positioned to ensure easy patient observation. What's more, the control panel's updated design improves the operator experience, ensuring everything is within easy reach for the clinician.

Features and Benefits

Enhanced Photography Features

5 Photography Modes Including FAF*

In addition to non-mydriatic color, mydriatic color, fluorescein angiography (FA), Red-free (RF), fundus autofluorescence (FAF*) is added to allow 5 photography modes.

Photo : Showa University

Updated Design for Patient Comfort

75mm reduced height of examined eye from our previous model ("VX-10" Series) allows for photography in a more relaxed posture.

Instant Image Filing Software is Included

The instant image filing feature allows ID management of images, browsing, and direct output to an external printer. By connecting to the Kowa VK-2 image management system, images can be transferred to electronic medical records.

2 Variable Optical Angles

  • Change the field of view with a quick push of a button
  • Mydriatic mode: 50° or 30° field of view
  • Non-mydriatic mode: 45° or 27° field of view

The Fundus Can Be Observed
Through the Optical Viewfinder

In mydriatic mode, the fundus can be observed through the optical viewfinder, allowing image capture exactly as viewed. This feature is particularly helpful for shooting the peripheral part of the retina.

Adapted for the digital camera

Field of view can be switched between 45°/27° in non-mydriatic mode or between 50°/30° in mydriatic mode by a simple pressing of a button.

Fundus can be observed through the optical viewfinder

In mydriatic mode, the fundus can be observed through the optical viewfinder, allowing photography of images exactly as viewed. This feature is particularly helpful for photographing peripheral part of the retina.

VX-20, simple operation with various useful features, supporting smooth daily medical practices!

The VX-20 is Kowa's unique, hybrid combination retinal camera that offers versatile, high quality retinal imaging in one easy-to-use system.

Chin Rest

  • Eye level indicator can be easily seen even in a darkroom
  • Stable chassis makes it easy to assist in patient eyelid opening

Tilt Angle

Expanded downward tilt angle up to 11° facilitates upward-angle shots which have been difficult in conventional models

*As compared to previous models

High Resolution Photography

Special Built-In Digital Camera

7 Inch Wide-Screen Touch LCD Monitor

Wide-screen 7" touch LCD monitor

Icons strategically placed for improved operator experience

Designed for Operability

Available buttons are illuminated in chosen photography mode to enable smooth and quick photography

Adjust the chin rest up/down or switch the field of view with the simple push of a button

SP (Small Pupil) Photography Mode

φ3.5mm or φ4.0mm options in Mydriatic mode

*The SP mode is not supported in RF mode.

*With φ3.5mm photography, some eyes may cause flare around their circumference.

Fixation Light Switching

Central/Disc/Macula/Peripheral and external fixation light can be switched with a single push of a button

Example of System Configuration


  • Equipped with the instant image filing function using a touch LCD monitor.
  • ID input from the card reader is possible.
  • Multiple-image display (4 images).
  • Photography data is saved in the CF memory card.
  • Allows direct printing to the printer.


  • Direct connection with the intranet via LAN.
  • ID input from the Kowa VX-20 is possible.
  • Photographic data can be saved in the network terminal.
  • Allows direct printing using the preview display.

Connecting to the image filing system Kowa VK-2

  • All the captured images can be freely saved and managed.
  • Data sharing on the intranet is possible.
  • Equipped with the multi-timer function for FA photography.
Specifications: VX-20
Working Distance 39mm (Between the examined eye and the objective lens)
Monitor 7 Inch Widescreen Touch LCD
Dimensions 390 (W) x 540 (D) x 720 (H) mm
Weight 39kg/86lbs
Working Distance Adjustment Luminous Dot Indication (ON/OFF Switch)
Internal Fixation Target Central, Disc, Macula, Peripheral
External Fixation Target Red/Green LED
Camera 24 Megapixel CMOS Sensor
Photography Modes Non-mydriatic Color, Mydriatic Color, Fluorescein Angiography (FA), Red-Free (RF), and Fundus Autofluorescence (FAF)
Field of View Non-mydriatic Mode: 45°/27° Mydriatic Mode: 50°/30° (SP: 45°/27°)
Minimum Pupil Diameter Non-mydriatic Mode: ⌀4.0mm (SP⌀3.5mm) Mydriatic Mode: ⌀5.5mm (SP1 ⌀4.0mm/SP2 ⌀ 3.5mm)
Focusing Split Luminous Bars Coincidence
Range of Focus Adjustment for Compensation of Patient's Refracti Without Compensation: -12D to +13D -Compensation: -32D to -10D +Compensation: +10D to +35D
Range of Diopter Adjustment of the Optical Finder -8D to +5D
Light Source For Observation: Halogen Lamp For Photography: Xenon Flash Lamp
Flash Compensation ±5 Steps
Exposure Appropriate exposure is automatically set based on the 37 steps (0.6WS to 300 WS) of field angle, filter, and photography mode
Adjustment Range Forward/Backward: (gross) 90mm, (micromotion) approximately 17.5mm Left/RightL (gross) 140mm, (micromotion) approximately 17.5mm Up/Down: 30mm Tilting:(Elevation) 11°, (Depression) 15° Panning: (left/right): 30° horizontally
Recording Medium CF Memory Card
Interface USB: VK-2 Connection, Printer Connection, Card Reader Connection LAN: Image Output
Power Saving Function Yes
Power Supply Input: AC 120/230V 50/60Hz Power Consumption: 250VA 1500VA (Max)

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Retinal Camera VX-20
Retinal Camera VX-20

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