Metallurgical microscope

Technical Parameters：

Plane cocular	Magnification (X)		Field (mm)
	10X		Φ18
	12.5X		Φ15
	20X		Φ11
	Partition 10x (0.1mm)		Φ17
Plane objective	Magnification（X）	Numerical aperture（NA）		Working distance（mm）
	4X	0.1		19.2	Transmission
	5X	0.12		18.3	Reflection
	10X	0.25		8.9	Reflection & Transmission
	20X	0.45		4.5	Reflection
	40X	0.65		3.7
	60X	0.85		0.66
	40X	0.65		3.7	Transmission
	100X	1.25		0.44
Optical magnification	40X--2000X
reference system magnification	40X-3000X
Eyepiece tube	Trinocular tube Interpupillary adjustment
lighting system	EPI-illuminating & Transmission light， light controller
Filers	Yellow, blue, green, frost glass
Oject stag lever range	X direction: 70mm Y direction: 30mm