Metallurgical microscope LB-31MUM Catalog

Metallurgical microscope LB-31MUM is an infinite optical system with high magnification objective and long working distance. Ingenious stand and convenient operation takes place. Powerful transmitted and reflected systems with Kohler illumination.

Stage	Double layer mechanical stage 188 × 148 mm Moving range 78 × 54 mm
Viewing Head	Siedentopf binocular viewing head Inclined at 30° Interpupillary distance 48 mm ~ 75 mm
Extra Wide Field Eyepiece	WF10X / 22 mm WF10X / 22 mm Eyepiece with scale of cross hair
Infinite Plan Achromatic Objective	5X/0.12/∞/- (BF&DF)LWD 10 mm 10X/0.25/∞/- (BF&DF)LWD 10 mm 20X/0.40/∞/0 (BF&DF)LWD 5.0mm 50X/0.75/∞/0 (BF&DF)LWD 1.3mm 100X/0.90(Dry)/∞/0 (BF&DF)LWD 0.7mm 40X/0.65/∞/0.17 (BF) WD 0.6mm 100X/1.25/∞/0.17 (BF) WD 0.16mm
Nose piece	Backward quintuple nosepiece
Focusing	Fine division 2 μm Moving range 30 mm
Kohler Illumination	Reflected 12V/50W Halogen light Transmitted 12V/20W Halogen light Polarizer and analyzer Green, gray and ground glass filter

• High magnification objective with long working distance
• Comfortable operation with low position focus knob
• Easy, safe and reliable lamp replacement device
• Halogen lamp and adjustable brightness
• Coaxial coarse and fine adjustment
• Field diaphragm and adjustable center
• Epi-illuminator with iris aperture diaphragm and iris field

Accessory No	Accessory
A1	0.5X Video adapter with C-mount
A2	Stage Micrometer 0.01mm

Accessory No	Accessory	Specification
A30MUM	Viewing head	Siedentopf trinocular viewing head, inclined at 30°, interpupillary distance 48 mm ~ 75 mm
A31MUM	Extra wide field eyepiece	EW15X/16mm
A32MUM		EW20X/12mm
A33MUM	Kohler Illumination	DIC attachment
A34MUM	Specimen presser
A35MUM	Photo adapter	(Used to connect DSLR camera to the microscope)

Used in industrial areas for PCB board, LCD display, metal structure observation and inspection. It also can be used for metallography education and research.