BUM370 Upright Microscope

$USD 1,800.00

  • Laboratory Upright Biological / Clinical Microscope
  • Binocular or Trinocular viewing head
  • Infinity Plan 4X, 10X, 20X, 40X (S), 100X (S,OIL)
  • Optional Infinity Phase Contrast Plan 10X, 20X, 40X (S), 100X (S,OIL)
  • Total Magnifications 40x-1000x, extendable to 20x-3000x

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BUM370 Upright Microscope

BUM370 upright biological microscope is equipped with plan achromatic objectives and wide field eyepieces. It provides clear image, wide field and convenience operation. It can be used for biology medicine agriculture and industry area widely. It is the ideal instrument in medical treatment, teaching demonstration and scientific research.

Brief Description:

  • Upright biological/clinical microscope
  • Binocular or Trinocular viewing head
  • Infinity Plan 4X, 10X, 20X, 40X(S), 100X(S,OIL)
  • Infinity Phase Contrast Plan 10X, 20X, 40X(S), 100X(S,OIL)
  • Total Magnifications 40x-1000x


  • Infinity optical system.
  • Binocular and trinocular head is optional.
  • Equipped with wide field eyepieces, infinity plan achromatic objectives.
  • Can upgrade to fluorescent functional.
  • Can add simple polarizer, phase contrast, and dark field.
  • Using Kohler illumination with 6V 20W halogen lamp with brightness control.
  • The halogen lamp and an LED light source are optional.
  • With wide field eyepieces and plan achromatic objectives, the field of view is wide & clear.
  • Coaxial coarse/fine focus system, with tensional adjustable and up stop, minimum division of fine focusing: 2μm.


Excellent infinity optical system provides clear and bright observation.
Trinocular tube supports microscope camera.
Plan objective and wide field eyepieces offer a wide and flat of vision.
Clear observation of micro-specimen under darkfield.
Can achieve fluorescence observation after upgrading.


Get accurate information from the high-quality image.
Offer upgrading choice for users, such as fluorescence, darkfield, simple polarizing and simple phase contrast.
Have a wide range of applications.

BUM370 Upright Biological Microscope

with Brightfield and optional Phase-Contrast, Darkfield  or Polarized Imaging Capabilities

Biological microscope BUM370 is a basic optical microscope used for biological laboratory purpose. It is equipped with infinity optical system and available with both of trinocular and binocular. Transmitted illumination with a halogen lamp. This biological microscope is quite suitable for educational, research, laboratory, universities, medical and material analysis.

Observation System

Binocular, single diopter adjustment, inclined 30°, comfortable and good-looking. Trinocular can be connected to a camera. 10X widefield plan eyepiece, field Φ20mm, can provide an expanse and smooth space.

Illumination System

The illumination system with a 6V 20W halogen lamp (brightness adjustable) can provide a clear and bright image for light field observation, but also for dark field observation and phase contrast observation.
The system also includes the collector with field diaphragm.
Function Spread
If you want to upgrade the optics function and increase the system agility, you can choose to use the infinity emendation optics system.
By adding the appurtenance of phase contrast unit, dark field unit, camera observation unit and facility polarizer unit, it can spread to manifold modes for the observation that satisfy the need for different research works.

Model BUM370A BUM370B
Eyepiece WF10X(Φ20mm)
Objective Plan achromatic PL 4X/0.10 Plan achromatic PL 4X/0.10
Plan achromatic PL 10X/0.25 Plan achromatic PL 10X/0.25
Plan achromatic PL 20X/0.40
Plan achromatic PL 40X/0.65 (Spring) Plan achromatic PL 40X/0.65 (Spring)
Plan achromatic PL 100X/1.25 (Spring, oil) Plan achromatic PL 100X/1.25 (Spring, oil)
Eyepiece tube Binocular (Inclination of 30˚)
Focus system Coaxial coarse/fine focus, with tension adjustable and up stop the minimum division of fine focusing: 2μm.
Nosepiece Quadruple(Backward ball bearing inner locating) Quintuple(Backward ball bearing inner locating)
Stage Double layer mechanical (Size:210mmX140mm, Move range: 75mmX50mm)
Abbe condenser N.A.1.25 Rack & pinion adjustable
Filter Blue filter
Frosted filter
Collector For halogen lamp
Light source 6V 20W Halogen lamp with brightness control

Optional Accessories

Name Sort/Technique parameter NO.
Eyepiece WF16X(Φ11mm) BUM37-16×11
Dividing10X(¦µ20mm),0.1mm/Div BUM37-10xR
Eyepiece tube Trinocular Inclination of 30˚ BUM37-ET
Filter Green filter BUM37-GF
Yellow filter BUM37-YF
Condenser Darkfield Dry BUM37-DFCD
Immersion BUM37–DFCO
Phase contrast unit Eyepiece Centering telescope BUM37-PCTL
Objectives Phase contrast plan achromatic 10X/0.25 PHP BUM37-10xPh
Phase contrast plan achromatic 20X/0.40 PHP(Spring) BUM37-20xPh
Phase contrast plan achromatic 40X/0.65 PHP(Spring) BUM37-40xPh
Phase contrast plan achromatic 100X/1.25 PHP(Spring, oil) BUM37-100xPh
Turnplate phase contrast condenser(PH-¢ñ) BUM37-PhCT1
Turnplate phase contrast condenser(PH-¢ò) BUM37-PhCT4
Flashboard phase contrast condenser BUM37-PhCTC
Pull board phase contrast condenser BUM37-PhCTP
Infinity optical system Eyepiece tube Binocular (Inclination of 30˚) BUM37-VHB
Trinocular (Inclination of 30˚) BUM37-VHT
Eyepiece Centering telescope BUM37-ECT
Objectives Infinity plan achromatic 4X/0.10 BUM37-4x
Infinity plan achromatic 10X/0.25 BUM37-10x
Infinity plan achromatic 20X/0.40 BUM37-20x
Infinity plan achromatic 40X/0.65(Spring) BUM37-40x
Infinity plan achromatic 100X/1.25(Spring, oil) BUM37-100x
Infinity phase contrast plan achromatic 10X/0.25 PHP BUM37-10xP
Infinity phase contrast plan achromatic 20X/0.40 PHP BUM37-20xP
Infinity phase contrast plan achromatic 40X/0.65 PHP(Spring) BUM37-40xP
Infinity phase contrast plan achromatic 100X/1.25 PHP(Spring, oil) 2470111
CCD adapter 0.4X BUM37-0.4xCA
0.5X BUM37-0.5xCA
1X BUM37-1xCA
0.5X with dividing 0.1mm/Div BUM37-0.5xCAD
Camera DV-1(With USB & video output) BUM37-DV1
DV-2(With USB output) BUM37-DV2
DV-3(With video output) BUM37-DV3
Digital camera adapter Digital camera adapter (A610,A620,A630,A640) BUM37-SLR-X
Photograph unit 2.5X/4X Change over photograph attachment with the 10X viewing eyepiece BUM37-SLR10x
4X Focusing photograph attachment BUM37-SLR4x
MD Adapter BUM37-MDA
PK Adapter BUM37-PKA
Facility polarize Polarizer (360° rotatable stage) BUM37-Pol
Analyzer BUM37-ANL


Video 1. Phase Contrast Kit and Sample Images

BUM-PHK Phase Contrast Kit for Upright Biological Microscopes is composed of 10x, 20x, 40x , 60x and 100x (oil) Phase contrast objective lenses, green filter, Phase alignment tool and turret condenser with different annulus.
In this video we look at the samples images of an Onion Skin thins section slide and Tilia (basswood) thin section slide, using this kit installed on Bioimager BUM800FL upright biological microscope and connected a 2.3MP USB3.0 CMOS Colorful Camera as well as a 0.5x C-Mount Adapter.

Digital Camera Photography

Brightfield Imaging
Phase-Contrast Image
Polarized Observation


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