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

Technical information
BM-Prime specifications
The building-block design supports a wide range of observation methods, viewing heads and multi-user teaching configurations.
BM-Prime
Fluorescence Color Merging
Karyotyping
Computerized digital imaging, motorized focus and stage control, and automated slide-scanning workflows.

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

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.

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.

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.
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.

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.
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.

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.

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.
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.

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.
