No Eyepiece Removal. Real-Time Monitor Output and Quick Return to Direct Viewing.

MVC-2 mounts easily on any optical device with an eyepiece.
It's widely used with monocular biological microscopes to reduce eyestrain during long inspections and for live demonstrations.

GOKO MVC-DU(USB)
  • Outputs live images to a TV or PC (with optional NTSC-USB 2.0 converter)
  • One-touch mounting without removing eyepiece
  • Instantly switch between monitor and eyepiece without refocusing
  • Ideal for reducing eyestrain and for live demonstrations
  • Also available: Digital output model (GOKO MVC-DU)
  • Reliable, Made-in-Japan quality and support

Switch Instantly Between Monitor and Eyepiece ― No Refocusing Needed

  • Switch between monitor and eyepiece instantly―no refocusing required
  • Camera unit detaches easily for quick manual viewing
  • Works with eyepieces that use ocular micrometers―no need to remove anything
  • Highly rated for seamless transitions during routine inspections
  • Maintains inspection flow while reducing eyestrain

Attached to microscope

Attached to microscope

Real-Time, Lag-Free Video Output

  • Captures ultra-smooth, real-time video using the NTSC full-motion system ― ideal for inspections without delay.
  • Optional NTSC-USB 2.0 converter allows real-time viewing and still image capture on a PC

Easy Operation!

MVC-2 includes an exclusive connector and camera unit for simple setup.

  • Exclusive connecter
    Exclusive connecter
  • Camera unit
    Camera unit

How to use

  1. Mount Without Removing the Eyepiece
    Attach the exclusive spacer and connector directly over the eyepiece. No need to remove the eyepiece―this allows quick switching between monitor and direct viewing without losing focus.
  1. Adjust Focus and Attach the Camera Unit
    Focus the optical instrument as usual, then mount the camera unit onto the connector.
  1. Fine-Tune with the Adjustment Ring
    Use the focus ring on the camera to make final adjustments. Both the camera and eyepiece view will now be in perfect focus.

Mounting of Exclusive Spacer

  1. Attach the exclusive spacer over the eyepiece barrel, then fix the exclusive connector onto the spacer using three screws.
  2. Mount the camera unit onto the connector.

Compatible eyepiece diameters: φ24-34 mm (typically for monocular microscopes)
The spacer is positioned 31-46 mm from the end of the eyepiece.
MVC-2 comes with two spacers of your choice from five available sizes to best match your instrument.

Other sizes are also available. Custom spacers can be made upon request.

Spacers for MVC-2

Spacer No. 2-1 2-2 2-3 2-4 2-5
φA φ24~φ26 φ26~φ28 φ28~φ30 φ30~φ32 φ32~φ34

Custom Example

retinoscope

Developed a dedicated camera for use with a retinoscope* at the request of Dr. Suzuki, Suzuki Kichijoji Eye Clinic.

*Retinoscope: An ophthalmic tool used to objectively measure refractive errors by analyzing light reflected from the retina.


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