Stereomicroscope
Nikon / SMZ645
Olympus / SZ-40
Nikon / 不明
協和光学工業 / SZF
Nikon / SMZ-1B
Nikon / SMZ745
microheight
tesa / PLUS M600
Rockwell hardness tester
Akashi Seiisakusho / ARK-B
Outside micrometer
Mitutoyo / M110-25