The Eyecoupler is intended to be used between the camera’s eyepiece and the Varimagni Finder for photomicrography using the Focusing Screen 1-12. It moves the Varimagni Finder 3.6 mm away from the eyepiece, and is designed to prevent cut-off at the corners of the image in the viewfinder.

Olympus OM Eyecoupler
| Weight | 2.1 gm |
|---|---|
| US stock no. | 108-501 |
| Introduced | 1972 |
| Discontinued | 2003 |
The Eyecoupler is also needed for fitting the Eyecup 1 to a camera that has the 250 Film Back 1 attached.
Only one version is known.
Instructions were not provided with the Eyecoupler.
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Created 18th May 2001 — Updated 19th April 2026
Copyright © 2001–2026 Alan Wood