The Olympus U-CA (Olympus Part# U-IT110) Magnification Changer is a simple but extremely useful accessory commonly found on Olympus metallurgical microscope setups. Designed for use with compatible Olympus BX series microscopes, the U-CA allows users to quickly change magnification levels without swapping objectives, making it especially helpful for industrial inspection, materials science, and metallurgical applications.

This attachment features smooth rotation with positive click stops and offers multiple magnification settings including 1x, 1.25x, 1.6x, and 2x. It’s a great tool for users who need flexibility while inspecting larger samples, circuit boards, metals, welds, or material surfaces.

In the video below, we briefly demonstrate how to remove and install the U-CA magnification changer, how the selector rotates, and what makes this accessory so useful in everyday metallurgical microscopy workflows.

At Munday Scientific & Microscope Marketplace, we regularly work with Olympus metallurgical microscope systems and accessories and are always happy to help customers configure the right setup for their application.