Olympus OM Mount Macro Ring (Extension Tube) Set

This is a set of extension tubes (close-up rings) compatible with the OM mount for Olympus film cameras.

Function: This is a shooting accessory that is attached between the lens and the camera body. By placing the lens further away from its original focal length, it allows for closer shooting (close-ups) than usual.
Composition: As shown in the photo, the magnification can be adjusted by combining rings of different thicknesses (e.g., 7mm, 25mm).
Compatibility: Primarily for Olympus OM system SLR cameras such as OM-1 and OM-2.
Features: The numbers (25, 7) written on the side of the rings indicate the thickness of each ring (unit: mm).

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