Modularization Industrial Microscopes Metallographic Polarizing / Dark Field

Basic Information
Place of Origin: China
Brand Name: UNIMETRO
Model Number: U3203/3220/3230/3230BD
Minimum Order Quantity: 1
Price: Discussible
Packaging Details: Paper box
Delivery Time: 10 work days
Payment Terms: T/T
Supply Ability: 10 per month
Detail Information
UIS Optical System: Available Polarizing Observation: Available
Dark Field Observation: Available Transmitted Illumination System: Abbe Condenser NA.1.25 Rack & Pinion Adjustable
Nosepiece: Quintuple (Backward Ball Bearing Inner Locating) Eyepieces Tube: Trinocular Inclined 30˚, Can Be Shot In 100% Light Flux
High Light:

inverted metallurgical microscope


optical metallurgical microscope

Product Description


Upright Metallurgical Industrial Microscope Polarizing And Dark Field




. Excellent UIS optical system

. Modularization function design

. Synchronous reflecting and transmitting or independent illumination

. Polarizing observation

. Dark field observation




U3203/3220/3230/3230BD series upright metallurgical industrial microscopes is suitable for observing surfaces of opaque object or transparent object. It is equipped with excellent UIS optical system and modularization function design, provides excellent optical performance and continuous products upgrade, also to obtain synchronous reflecting and transmitting or independent illumination, or polarizing observation, or dark field observation.


U3203/3220/3230/3230BD series upright metallurgical industrial microscopes is with smart design, easy operation and clear image system, it is the ideal instruments for biology, metallography, mineralogy, precision engineering, electronics, etc usage.




Eyepiece Wide field WF10X(field number:Φ22mm)
Infinity plan achromatic objective


(Equipped with bright field objectives)

PL L5X/0.12 (Work distance):26.1 mm
PL L10X/0.25 (Work distance):20.2 mm
PL L40X/0.60 (Work distance):3.98 mm
PL L60X/0.70 (Work distance):3.18 mm


(Equipped with bright & dark field objectives)

PL L5X/0.12 BD (Work distance):9.7 mm
PL L10X/0.25 BD (Work distance):9.3 mm
PL L20X/0.40 BD (Work distance):7.2 mm
PL L40X/0.60 BD (Work distance):3.0 mm
Eyepieces tube Trinocular inclined 30˚, can be shot in 100% light flux.
Epi- illumination system U3203/3220/3230 6V 30W, halogen lamp and adjustable brightness.
U3230BD 12V 50W, halogen lamp and adjustable brightness.
U3203/3230/3230BD Equipped with Y, B, G filters and ground glass
U3220 Equipped with Y, B, G, R filters.
Integrated field diaphragm, aperture diaphragm and filter switching device. Push-pull type analyzer and polarizer
Focus system Coaxial coarse/fine focus system, with tension adjustable and limit stopper, minimum division of fine focusing: 2μm.
Nosepiece Quintuple (Backward ball bearing inner locating)
Stage Double layer mechanical stage, overall size:210mmX140mm,moving range:75mmX50mm.

Transmitted illumination


Abbe condenser NA.1.25 Rack & pinion adjustable
Collector for halogen lamp illumination and integrated field diaphragm
U3230/3230BD Equipped with B filter and ground glass
U3220 Equipped with B, G filters and ground glass.
U3220/3230 6V 30W, halogen lamp and adjustable brightness.
U3230BD 12V 30W, halogen lamp and adjustable brightness.
Optional Accessory Eyepiece 10X(Φ22mm)Dividing eyepiece(Φ22mm)
Objective U3203/3220/3230 20X,50X,80X,100X(Dry) Bright field objective
U3230BD 50X,60X,80X,100X Bright & dark field objective
CCD adapter 0.5X,1X,0.5X (With dividing)

USB output: 1.3M/2.0M/3.0M pixel

VIDEO output: 380/520 TV Line

Digital camera adapter CANON(EF) NIKON( F)



Notice: The transmitted and reflected illumination system of the mode U3220 are controlled independently.

Contact Details
Henry Wong

Phone Number : 0086 137 0232 7661

WhatsApp : +8613702327661