Advanced biological microscope

LMI BM-Prime

A modular infinity-corrected microscope designed to support Karyotyping and FISH analysis, with upgraded Köhler illumination, fluorescence imaging, ergonomic operation and the flexibility required for clinical and advanced research workflows.

  • Karyotyping and FISH analysis for cytogenetics and fluorescence-based laboratory workflows
  • Three-way infinity colour-corrected optical system
  • High-contrast 5 W or 9 W LED illumination
  • Fluorescence, phase contrast, DIC, polarization and dark field
  • High-precision motorized configuration available
View specifications
LMI BM-Prime biological microscope
Optical systemInfinity corrected
Eyepiece fieldUp to 26 mm
Objectives2X to 100X
IlluminationLED or halogen

Technical information

BM-Prime specifications

The building-block design supports a wide range of observation methods, viewing heads and multi-user teaching configurations.

Model
LMI BM-Prime microscopeBM-Prime
Techniques
LMI BM-Prime microscopeFluorescence Color Merging
Techniques
LMI BM-Prime microscopeKaryotyping
Digital imaging and slide scanning
BM-Prime computerized digital imaging, motorized focus and automated slide-scanning capabilities

Computerized digital imaging, motorized focus and stage control, and automated slide-scanning workflows.

Karyotyping and FISH analysis
BM-Prime karyotyping and FISH analysis workflow

Assisted karyotyping and multichannel FISH image-acquisition and analysis workflows.

Optical system
Infinity colour-corrected, anti-fungal optical system.
Eyepieces
BM-Prime wide-field eyepieces

High eye-point, wide-field plan eyepiece options: PL10X/20 mm, PL10X/22 mm, PL10X/25 mm and PL10X/26 mm. Reticles can be fitted where required.

PL15X/16 mm high eye-point, wide-field plan eyepiece.

Objectives
BM-Prime objectives

Infinity plan achromatic, phase-contrast and semi-apochromatic fluorescence objective configurations.

Available magnifications across the objective range: 2X, 4X, 10X, 20X, 40X, 60X and 100X.

Viewing head
BM-Prime viewing head

Efficient infinity Gemel binocular head with 30°–60° adjustable elevation, 360° rotation, 54–75 mm interpupillary adjustment and ±5 diopter adjustment.

30° inclined Gemel binocular head with 360° rotation, 54–75 mm interpupillary adjustment and ±5 diopter adjustment.

30° inclined Gemel trinocular head with R:T 50:50 or R:T 0:100 light split, 360° rotation, 54–75 mm interpupillary adjustment and ±5 diopter adjustment.

Dedicated fluorescence trinocular head with R:T 100:0 or 0:100 light split.

30° inclined digital binocular head with 360° rotation, 54–75 mm interpupillary adjustment and ±5 diopter adjustment.

Nosepiece
Revolving quadruple, quintuple or sextuple nosepiece, providing four-, five- or six-position objective configurations.
Body and focus

Integrated all-metal die-cast body with precision rack-and-pinion transmission. Coaxial focus system with upper limit and tension adjustment; 30 mm coarse range, 0.002 mm fine precision and adjustable focus height.

Computer-controlled automatic focus and software-controlled fine-focus adjustment.

Automatic Z-stacking and autofocus, with computer control of the X/Y stage, Z focus axis, or coordinated X/Y and Z operation.

Stage
BM-Prime mechanical stage

175 × 145 mm rotatable, double-layer mechanical stage with double-slide holder, special anti-corrosive and anti-friction finish, 76 × 50 mm movement range and 0.1 mm precision.

Optional 187 × 167 mm double-layer mechanical stage with 80 × 55 mm movement range and 0.1 mm precision.

Condenser

N.A. 0.9 swing-out achromatic condenser or N.A. 1.2/0.22 swing-out achromatic condenser.

N.A. 1.25 quintuple phase-contrast condenser.

N.A. 0.9 dry dark-field condenser or N.A. 1.25 oil dark-field condenser.

Fluorescence filter system
BM-Prime six-position LED fluorescence filter system

Filter block: Six-position fluorescence filter-block turret designed for rapid selection of fluorescence channels and future expansion.

UV2 ultraviolet long-pass module: 365 nm central excitation wavelength, with independent intensity adjustment and bright-field/fluorescence switching.

B4 TB module: 455 nm central excitation wavelength, intended for TB fluorescence applications, with independent intensity adjustment and bright-field/fluorescence switching.

B1 band-pass module: 470 nm central excitation wavelength, with independent intensity adjustment and bright-field/fluorescence switching.

G1 band-pass module: 560 nm central excitation wavelength, with independent intensity adjustment and bright-field/fluorescence switching.

Additional fluorescence wavelengths and filter configurations can be selected according to the fluorophores and diagnostic or research application requirements.

Reflected fluorescence illumination
BM-Prime reflected fluorescence illuminator

XYRFLP reflected-fluorescence Köhler illumination with adjustable field diaphragm and aperture diaphragm; both diaphragms are centre adjustable.

XYLH100HG mercury lamp housing with viewfinder; the viewfinder centre, focal length and filament position are adjustable.

J2-RFLT100 digital mercury-lamp power-control unit with 100–240 V AC wide-voltage input.

OSRAM 100 W DC mercury bulb with disc fluorescence filters for UV, V, B and G channels.

30ND25-RFLP and 30ND50-RFLP attenuation plates.

Transmitted illumination
BM-Prime transmitted Köhler illumination

100–240 V AC wide-voltage input with built-in transmitted Köhler illumination.

Pre-centred 6 V / 30 W halogen illumination with continuously adjustable intensity.

Optional 5 W or 9 W high-brightness LED illumination with continuous intensity adjustment and approximately 50,000-hour service life.

Polarizing kit
360° rotatable analyzer; polarizer and analyzer can be moved out of the light path.
Filters
Yellow, green, blue and neutral filters.
Battery supply
Rechargeable external power supply providing at least eight hours of operation.
Light splitting
R:T 70:30 or 100:0 with special 1X CTV.
Camera adapters
0.5X CTV, 0.67X CTV and 1X CTV.
Optional contrast techniques
DIC, polarization and dark-field configurations are available.
Imaging cameras
Cooled colour CMOS and CCD cameras are available for fluorescence and advanced microscopy imaging.
Teaching heads
BM-Prime multi-user teaching head

Dual head for two users, tri head for three users, penta head for five users and deca head for ten users.

Three-colour LED pointer with electronic push-button selection of red, blue or green.

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