Research biological microscope

LMI BM-X

A stable, efficient microscope platform for teaching, laboratory research and networked multimedia microscopy, with a broad choice of observation techniques and digital configurations.

  • Infinity-corrected, anti-fungal optical system
  • Bright-field, phase-contrast, dark-field and polarization
  • LED or mercury fluorescence configurations
  • Binocular, trinocular and integrated digital viewing heads
View specifications
LMI BM-X research biological microscope
Optical systemInfinity corrected
Eyepiece fieldUp to 22 mm
Objectives4X to 100X
Battery optionAt least 8 hours

Technical information

BM-X specifications

Configure the BM-X for routine biological observation, teaching, phase contrast, fluorescence, dark field or digital imaging.

Model
LMI BM-X microscopeBM-X / BM-X Digital Series
Optical system
Infinity-corrected, anti-fungal optical system.
Eyepieces
BM-X eyepieces

PL10X/20 mm high eye-point, wide-field plan eyepiece with 19 mm effective eye relief and ±5 diopter adjustment.

PL10X/22 mm high eye-point, wide-field plan eyepiece with 19 mm effective eye relief and ±5 diopter adjustment.

Objectives
BM-X objectives

Infinity plan achromatic objectives: 4X, 10X, 20X, 40X, 60X and 100X.

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

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

Viewing head
BM-X viewing head

30° Siedentopf binocular head with 360° rotation and 50–75 mm interpupillary adjustment.

30° Siedentopf trinocular head with 360° rotation, 50–75 mm interpupillary adjustment and R:T 80:20 light split.

Dedicated fluorescence trinocular head with R:T 50:50 light split, or digital viewing head with 3 or 5 megapixel camera.

Nosepiece
Reversed quadruple or quintuple nosepiece.
Stage
BM-X mechanical stage150 × 140 mm mechanical stage with low-position controls, 76 × 50 mm movement range, 0.1 mm precision and damping specimen clips.
Focus adjustment
Integrated all-metal die-cast body with precision rack-and-pinion transmission. Coarse focus range: 30 mm, with tension adjustment and upper limit; fine-focus precision: 0.002 mm.
Condenser

N.A. 1.25 Köhler condenser with sockets for phase-contrast and dark-field accessories.

N.A. 1.25 five-position universal phase-contrast condenser; N.A. 0.9 dry or N.A. 1.25 oil dark-field condenser.

LED fluorescence
BM-X LED fluorescence module

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

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

Mercury fluorescence
BM-X mercury fluorescence illuminatorReflected fluorescence illuminator with 100 W mercury lamp housing, 100 W DC mercury bulb, four filter blocks and DAPI, FITC and TRITC filters.
Transmitted illumination

100–240 V AC, 50/60 Hz input with 10 W or 15 W high-brightness LED and continuous intensity adjustment.

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

External battery
BM-X rechargeable battery supplyRechargeable external power supply providing at least eight hours of operation.

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