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BUM370 Upright Microscope

  • 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

$USD 1,800.00 $USD 3,000.00

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.

ObjectivePlan achromatic PL 4X/0.10Plan achromatic PL 4X/0.10
Plan achromatic PL 10X/0.25Plan 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 tubeBinocular (Inclination of 30˚)
Focus systemCoaxial coarse/fine focus, with tension adjustable and up stop the minimum division of fine focusing: 2μm.
NosepieceQuadruple(Backward ball bearing inner locating)Quintuple(Backward ball bearing inner locating)
StageDouble layer mechanical (Size:210mmX140mm, Move range: 75mmX50mm)
Abbe condenserN.A.1.25 Rack & pinion adjustable
FilterBlue filter
Frosted filter
CollectorFor halogen lamp
Light source6V 20W Halogen lamp with brightness control

Optional Accessories

NameSort/Technique parameterNO.
Eyepiece tubeTrinocularInclination of 30˚BUM37-ET
FilterGreen filterBUM37-GF
Yellow filterBUM37-YF
Phase contrast unitEyepieceCentering telescopeBUM37-PCTL
ObjectivesPhase contrast plan achromatic 10X/0.25 PHPBUM37-10xPh
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 condenserBUM37-PhCTC
Pull board phase contrast condenserBUM37-PhCTP
Infinity optical systemEyepiece tubeBinocular (Inclination of 30˚)BUM37-VHB
Trinocular (Inclination of 30˚)BUM37-VHT
EyepieceCentering telescopeBUM37-ECT
ObjectivesInfinity plan achromatic 4X/0.10BUM37-4x
Infinity plan achromatic 10X/0.25BUM37-10x
Infinity plan achromatic 20X/0.40BUM37-20x
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 PHPBUM37-10xP
Infinity phase contrast plan achromatic 20X/0.40 PHPBUM37-20xP
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 adapter0.4XBUM37-0.4xCA
0.5X with dividing 0.1mm/DivBUM37-0.5xCAD
CameraDV-1(With USB & video output)BUM37-DV1
DV-2(With USB output)BUM37-DV2
DV-3(With video output)BUM37-DV3
Digital camera adapterDigital camera adapter (A610,A620,A630,A640)BUM37-SLR-X
Photograph unit2.5X/4X Change over photograph attachment with the 10X viewing eyepieceBUM37-SLR10x
4X Focusing photograph attachmentBUM37-SLR4x
MD AdapterBUM37-MDA
PK AdapterBUM37-PKA
Facility polarizePolarizer (360° rotatable stage)BUM37-Pol


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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