Chassis

Information on microscope heavy duty chassis suitable for making custom microscope assemblies

Some microscopes using heavy duty chassis:

• Minnetonka Precision
• Mitutoyo toolmaker
• McBain Z-Scope
• Nikon toolmaker

BH2 Toolmaker

Above: McMaster 2 left, McMaster 1 right. 1 originally looked more like 2 but the bottom illuminator and original XY stage were removed

I've never been able to positively identify who makes it. The common parts are:

• Focus: crank for coarse focus as well as medium-fine focus knobs like on traditional microscopes
• Bottom illuminator
• Mitutoyo digimatic for Z measurement

Comparison as received:

Component	Mc1	Mc2
XY stage	Style 1 Large Mitutoyo manual	Style 2 Large Mitutoyo manual
Observation tube	Trinocular standard	Trinocular ergonomic
Objectives	Mitutoyo M Plan Apo	Olympus NeoDPlan, MSPlan
Illuminator	BH2-UMA LH-50 lamphouse	BH2-UMA (broken) Fiber

Focus: there is a slip plate that will very slowly drift over time. If you are doing sensitive measurements that need to maintain focus over long times, you might consider using locktite to put it in place. More info here

McMaster 2

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