Olympus BHMJ Microscope Focusing Block with Removable Post Adapter Stand

Olympus BHMJ Microscope Focusing Block with Removable Post Adapter Stand

The Olympus BHMJ is a precision focusing block designed for use with Olympus BHM series research microscopes. It provides coarse and fine focus travel via the large graduated focus knob and mounts to an optical post or bench stand through the included removable post adapter. The L-bracket base and black anodized post adapter allow flexible positioning and secure attachment in a microscope or photomicrography setup.

Specifications & What's Included

• Model: Olympus BHMJ
• Manufacturer: Olympus Corporation, Japan
• Compatible with: Olympus BHM series microscopes and optical bench configurations
• Focus mechanism: large graduated coarse/fine focus knob with position scale
• Mounting: removable post adapter with L-bracket base
• Body: black anodized aluminum with beige focusing block housing
• Circular aperture on front face of focusing block body
• Multiple threaded mounting holes on post adapter for bench or stand attachment
• Includes: focusing block, removable post adapter, and L-bracket base

Applications

The Olympus BHM was a high-performance upright research microscope produced by Olympus from the 1970s through the 1980s, widely used in metallurgical, materials science, biological, and photomicrography applications. The BHMJ focusing block is a key mechanical component of that system, providing stable and precise vertical focus control for the optical head. These components are still actively sought by labs and researchers maintaining BHM-series instruments, as well as by builders of custom optical benches and photomicrography rigs who benefit from the robust, precision-machined Olympus focusing mechanism. The removable post adapter adds versatility, allowing the block to be repositioned or used in non-standard mounting configurations.