A microscope is an optical instrument used to magnify and observe small objects that are not visible to the naked eye. Microscopes are widely used in scientific research, medical diagnostics, and in educational settings.

Part No.


Objective Lens

Fluorescence Illumination System


Wide Field 10X/22

Trinocular tube,
30° inclined, pupil distance 55~75mm

LED fluorescence module with light barrier
3W LED lamp for each excitation group
Blue: EF450nm-490nm, EM>520nm
Green: EF510nm-550nm, EM>590nm
Optional excitation groups:
RB-Royal blue: EX420~480nm
Y-Yellow: EX540nm~580nm
U-Ultraviolet: EX330nm~380nm


Wide Field 10X/25

UPLFLN 4X/0.13; WD: 17.15mm
UPLFLN 10X/0.3; WD: 7.68mm
UPLFLN 40X/0.75; WD:0.78mm
UPLFLN 100XO/1.30; WD:0.15mm

Broad-spectrum high power LED light source (mercury lamp is optional)
Powerbox: Digital LED power box, alternating current 110V or 220V
Sextuple fluorescence module with BGU filter groups (others are optional)
Filter           Wavelength
FB-U           EX:375/30nm;
                    DM: 415nm; EM: 460/50nm
 FB-B           EX:475/30nm;     
                    DM:505nm; EM: 530/40nm
 FB-G           EX:540/25nm;
                    DM:565nm; EM:605/55nm


Wide Field 10X/22

PLL4X/0.12 WD:10.8mm
PLL10X/0.25 WD:4.1mm
PLLPlan40X/0.58 WD:2.5mm
Phase-contrast PLL10X/0.25 PH WD:4.1mm
Phase-contrast PLL20X/0.45 PH WD:5mm

An LED cold light source, brightness continuously adjustable
Standard with three fluorescence excitation filter groups, others are optional
Excitation filter      Excitation wavelength
     Violet (UV)          330~380nm
     Blue (B)              460~490nm
     Green (G)           510~550nm


Wide Field 10X/23

Semi Plan Fluor
4X/0.13; WD:18.5mm     
10X/0.3; WD:7.1mm  
20X/0.45; WD:5.9mm 
40X/0.65; WD:1.6mm        

Plan achromat
Plan4X/0.12 WD:10.8mm
Plan 10X/0.25 WD:4.1mm
Plan 40X/0.58 WD:2.5mm

Infinite long working distance plan achromat phase-contrast Plan10X/0.25 PH; WD:4.1mm
Infinite long working distance plan achromat phase-contrast Plan20X/0.45 PH; WD:5mm

Broad-spectrum high power LED light source G-100

5 cubes fluorescence module:
Filter             Wavelength
Violet(U)        EX:355/50nm;
                      DM: 400nm; EM: 415nmLP
Blue(B)           EX:475/30nm;
                       DM:500nm; EM: 515nmLP
Green(G)       EX:530/40nm;
                      DM:570nm; EM:590nmLP

6 cubes fluorescence module:
Filter             Wavelength
Violet(U)        EX:375/30nm;
                      DM:415nm; EM:460/50nm
Blue(B)           EX:475/30nm;
Green(G)        EX:540/25nm;
                       DM:565nm; EM:605/55nm

Part No.



Wide Field 10X/22


Lead-free tube, 30° inclination, light path: eyepiece 100%/photography 100%


1Xplan achromat objective, WD:90mm (2X is optional)

Epi-illumination LED fluorescent

Excitation Cube   Excitation Wavelength
         Blue (B)                  460-490nm
         Green (G)               510-550nm
         Optional (UV)          330-380nm

Zoom radio

Zoom radio: 7:1 (0.8x ~ 5.6x)
Magnification scale 0.8, 1, 1.25, 1.6, 2, 2.5, 3.2, 4, 5, 5.6




SZ2-ST standard base
Fluorescence baffle FL

Dust cover

Specific dust cover

Part No.




Wide Field 10X/22mm high eye-point, large field of view, both eyepiece diopter adjusting range ±5°

Pupil distance adjusting range: 54~75mm
Zoom range: 0.67X ~ 4.5X
Zoom ratio: 6.7:1
Working distance: 105mm


Wide Field 10X/22mm
Wide Angle
45° inclination, diopter adjustable

Continuously zoom adjustable
Zoom range 0.7~6.3
Zoom radio 1:9
Working distance 110mm

Part No.





Wide Field 10X/18

Achromatic 4X/0.10, WD: 37.5mm
Achromatic 10X/0.25, WD: 6.55mm
Achromatic 40X/0.65, WD: 0.669mm
Achromatic 100X/1.25, WD:0.198mm

155mm x 142mm double-layer mechanical, moving range 76mm x 50mm, accuracy 0.1mm


Wide Field 10X/22

Infinity plan achromatic 4X/0.1 WD=21.5mm
Infinity plan achromatic 10X/0.65 WD=7.5mm
Infinity plan achromatic 40X/0.65 WD=0.65mm
Infinity plan achromatic 100X (oil)/1.25 WD=0.185mm

Coaxial coarse and fine adjustment with limit stopper and lock device, stage height movement 24mm (coarse movement stroke), Stroke per rotation: 40mm, Microstroke per rotation: 0.2mm


Wide Field 10X/25

High-contrast Achromatic Plan 4X/0.1, WD 11.6mm
High-contrast Achromatic Plan 10X/0.25, WD 4.8mm
High-contrast Achromatic Plan 20X/0.40, WD 2.9mm
High-contrast Achromatic Plan 40X/0.65, WD 0.55mm
High-contrast Achromatic Plan 100X/1.25, WD 0.17mm

The coaxial coarse and fine focus, focusing range 25mm, fine-scale value 0.002mm


Wide Field 10X/22

UPLFLN 4X/0.13 WD:17.15mm
UPLFLN 10X/0.3 WD: 7.68mm
UPLFLN 40X/0.75 WD:0.78mm
UPLFLN 100X/1.3 WD:0.15mm

Coaxial coarse and fine, scale value 1μm, focusing moving range 35mm


Wide Field SWF10X/22

Bright field:
Long working distance plan objective UPLFLN4X/0.13, WD: 17.15mm
Infinite long working distance plan achromat objective LACH40X/0.58, WD: 3.5mm
Phase contrast:
Infinite long working distance plan achromat phase contrast objective Plan 10X/0.25 PH, WD: 4.1mm
Infinite long working distance plan achromat phase contrast objective Plan 20X/0.45 PH, WD: 5.0mm
Optional objectives:
Bright field PLL 10X/0.25, WD: 4.1mm
Bright field PLL 20X/0.45 WD: 5.0mm
Phase-contrast PLL 40X/0.58PHP, WD: 2.5mm

Coaxial coarse/fine focus with tension adjustable and up stop, minimum division of fine focusing is 2μm

Part No.


Observation tube

Trinocular, inclined 30°, 100% light pass for photography cable


Wide Field WF10X(Ø22mm)
Graduated WF10X(Ø22mm) 0.10mm/Div


Strain-free plan achromatic objective (no cover glass)
PL L5X/0.12 (Work distance): 26.1mm
Pl L10X/0.25 (Work distance): 20.2mm
PL L40X/0.60(spring) (Work distance): 3.98mm
PL L60X/0.70(spring) (Work distance): 3.18mm

Reflective illuminating system

6V30W halogen, brightness adjustable
Polarizer can be rotated 360°.
Analyzer can be rotatable 360° with scale and minimum Vernier
Integrated field diaphragm and aperture diaphragm


Quadruple (center adjustable)

Intermediate attachments

Pull type Bertrand lens and center adjustable


λ, λ/4 and quarts wedge compensator

Focus system

Coaxial coarse/fine focus system, with tension adjustable and limit stopper
Minimum graduation in fine movement:2μm

Transmitted illuminating system

6V30W halogen, brightness adjustable, lamp center adjustable
Abbey condenser, liftable, NA 1.25
Blue filter
Frosted glass
Polarizer (360° rotatable with 0°, 90°, 180°, 270° division)

Camera adapter

1X C-mount adapter

Part No.



Epi-Illumination System


Wide Field 10X/22

Long working distance plan objective L Plan5X/0.15 WD:23.6mm
Long working distance plan objective L Plan 10X/0.30 WD:17.7mm
Long working distance plan objective L Plan 20X/0.40 WD:10.4mm
Long working distance plan objective L Plan 50X/0.55 WD:7mm

Kohler illumination with filters including green, blue, yellow and gross glass


Wide Field 10X/22

Infinity plan achromatic bright or dark field long work distance (no cover glass)
PL L5X/0.12 B.D (Work distance): 9.7mm
PL L10X/0.25 B.D (Work distance): 9.3mm
PL L20X/0.40 B.D (Work distance): 7.2mm
PL L40X/0.60 B.D (Work distance): 3.0mm

12V 50W halogen lamp, brightness adjustable
Built-in field diaphragm, aperture diaphragm and filter switching device.
Push-pull type analyzer and polarizer.
Yellow, blue, green filter and frosted glass.

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What is a microscope?

A microscope is an instrument used to view objects that are too small to be seen with the naked eye. Microscopes use a combination of lenses and illumination to magnify and resolve fine details of a specimen, allowing the observer to see structures and features that would otherwise be invisible.

There are many different types of microscopes, some microscopes use visible light, while others use electrons or other types of radiation to create images of the specimen.

Microscopes are widely used in scientific research, medicine, manufacturing, and education. They are essential tools for exploring the microscopic world and advancing our understanding of biology, chemistry, physics, and many other fields of science.

How to use a microscope?

Here are the basic steps to use a microscope:

  1. Turn on the light source: If your microscope has an illumination system, turn it on and adjust the brightness as needed.

  2. Place the specimen on the stage: Carefully place the specimen to be viewed on the microscope stage. If the specimen is a slide, center it on the stage and secure it with the stage clips.

  3. Select the lowest magnification objective lens: Rotate the nosepiece to select the lowest magnification objective lens.

  4. Adjust the focus: Look through the eyepiece and use the coarse focus knob to move the objective lens downward until it is very close to the specimen. Then, use the coarse focus knob to move the objective lens upward while looking through the eyepiece until the specimen comes into focus.

  5. Adjust the magnification: Rotate the nosepiece to select a higher magnification objective lens if desired. Refocus the specimen using the coarse and fine focus knobs as necessary.

  6. Move the specimen: Use the mechanical stage controls to move the specimen to different areas of the slide as needed.

  7. Adjust the lighting: If the illumination system has adjustable controls, adjust them as needed to optimize the lighting of the specimen.

  8. Record your observations: Record your observations and any measurements you take while examining the specimen.

  9. Turn off the microscope: When you are finished, turn off the illumination system and rotate the objective lens to the lowest magnification. Clean the lenses and put the microscope away.

Note: The exact steps and controls may vary depending on the type and model of microscope you are using. Always refer to the user manual for specific instructions.

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