Research biological microscope

LMI BM-500 Series

The BM-500 and BM-500DG combine dependable infinity-corrected microscopy with digital imaging and multimedia teaching options for laboratory and educational environments.

  • Stable, safe and efficient research design
  • Bright field, polarization, dark field and phase contrast
  • Fluorescence and digital imaging options
  • Excellent performance-to-cost ratio
View specifications
LMI BM-500 research biological microscope

Research biological microscope with Display

LMI BM-500 With Display

The BM-500 and BM-500DG combine dependable infinity-corrected microscopy with digital imaging and multimedia teaching options for laboratory and educational environments.

  • Stable, safe and efficient research design
  • Bright field, polarization, dark field and phase contrast
  • Fluorescence and digital imaging options
  • Excellent performance-to-cost ratio
View specifications
LMI BM-500 research biological microscope

Research biological microscope with Dimensions

LMI BM-500 With Display

The BM-500 and BM-500DG combine dependable infinity-corrected microscopy with digital imaging and multimedia teaching options for laboratory and educational environments.

  • Stable, safe and efficient research design
  • Bright field, polarization, dark field and phase contrast
  • Fluorescence and digital imaging options
  • Excellent performance-to-cost ratio
View specifications
LMI BM-500 research biological microscope
Optical systemInfinity corrected
Field of view18 or 20 mm
Digital camera3 MP or 5 MP
Objectives4X to 100X

Technical information

BM-500 specifications

Configure the BM-500 for routine observation, phase contrast, fluorescence or integrated digital microscopy.

Model
BM-500 / BM-500DG Series
Optical system
Infinity-corrected, anti-fungal optical system.
Eyepieces

PL10X/18 mm high eye-point, wide-field plan eyepiece; 18 mm field and ±5 diopter adjustment.

PL10X/20 mm high eye-point, wide-field plan eyepiece; 20 mm field and ±5 diopter adjustment.

Objectives

Infinity plan achromatic objectives: 4X, 10X, 20X, 40X and 100X.

Infinity phase-contrast objectives: 10X, 20X, 40X and 100X.

Infinity semi-apochromatic fluorescence objectives: 4X, 10X, 20X, 40X and 100X.

Viewing head

30° Siedentopf binocular or trinocular head with 360° rotatable eyepiece tube and adjustable interpupillary distance.

Dedicated 30° fluorescence trinocular head with 360° rotation.

30° digital viewing head with integrated 3 MP or 5 MP camera.

Nosepiece
Backward-facing quadruple or quintuple nosepiece.
Stage
140 × 132 mm mechanical stage with underhand controls, 76 × 50 mm movement range, 0.1 mm precision and damping clips.
Focus adjustment
Integrated all-metal die-cast body with precision rack-and-pinion transmission; 30 mm coarse range, tension adjustment, upper limit stop and 0.002 mm fine precision.
Condenser
N.A. 1.25 Köhler illumination condenser with sockets for phase-contrast and dark-field accessories.
LED fluorescence

UV2 long-pass LED module, 365 nm; B4 TB module, 455 nm; B1 band-pass module, 470 nm; G1 band-pass module, 560 nm.

Modules include intensity adjustment and bright-field/fluorescence switching. Additional wavelengths can be tailored to diagnostic requirements.

Mercury fluorescence
Reflected fluorescence illuminator with 100 W mercury lamp housing and 100 W DC mercury bulb.
Transmitted illumination

100–240 V AC, 50/60 Hz input with 3 W high-brightness LED and continuous intensity adjustment.

Optional 6 V / 30 W halogen bulb with preset filament centre and continuous intensity adjustment.

Battery supply
Rechargeable external power supply providing at least eight hours of operation.

Need a BM-500 system for teaching or research?

Request a quotation