The B120 binocular compound microscope is designed for teaching demonstrations, clinical examinations and laboratory applications. It is an ideal microscope for teachers and students, including those in medical school or with a major in biology. It has a number of advancements in functionality compared to other microscopes in its class, such as enhanced LED lighting, centerable condenser, and Siedentopf head adjustments. Use the microscope for studying fixed or live cells, bacteria, plants and soil, or water samples.

Viewing Head

To customize the microscope to your viewing comfort, the eyepiece spacing can be easily adjusted using a precision Siedentopf mechanism. A diopter is available on the left ocular tube to compensate for asymmetry, and the ocular tubes are angled at 30° to comfortably accommodate a seated position without neck strain. Various eyepieces can be used to increase the overall optical magnification.

Optics

The objective turret provides instant access to 4 magnification levels to easily focus in on minute details from 40X to 1000X. Additional 25X eyepieces expand the maximum magnification to 2500X with 6 unique levels. This covers magnifications needed for studying hair follicles, cells, and bacteria. These high-quality lenses are achromatically corrected to improve resolution and color accuracy.

The Stage

The 3-layer mechanical stage provides smooth and precise movement for examination of specimen slides. The stage's low-position controls are conveniently placed near the coaxial focus knobs for a streamlined workflow. Examining specimen slides is intuitive and precise for users at any skill level.

Transmitted Illumination

The LED sub-stage lighting provides cool, energy-efficient illumination. The light-source is daylight balanced to produce natural colors for imaging. With our specially developed fly-eye lens, the light is evenly distributed at maximum brightness to improve contrast and resolution. Illumination is further enhanced by a centerable Abbe condenser, which can be realigned for any magnification to guarantee proper lighting.

Specifications

Optical System	Finite-conjugate

Mechanical Tube Length	160mm

Head	Binocular, 30° incline, 360° rotatable

Interpupillary Adjustment	Siedentopf, 53-77mm

Ocular Diameter	23mm

Eyepieces	10X, 25X

Objective Lenses	DIN standard

Objective Parfocal Distance	45mm

Objective Mounting Thread	RMS 20.32mm

Objective Turret	quadruple

Focusing System	Coaxial coarse and fine focus

Division of Fine Focus	0.002mm

Stage Design	Double-layer with caliper

Stage Dimensions	118mm x 127mm

X-Y Translation Range	70mm x 21mm

Transmitted Illumination	Variable-intensity 1W LED, fly-eye lens

Condenser	NA1.25 Abbe condenser with iris diaphragm

Sub-stage Condenser-holder	rack and pinion, centerable

Power	100-240VAC 50/60Hz wide-band

Dimensions	11" x 7" x 13-3/4" (28cm x 17.8cm x 35cm)

Objective Lenses

Magnification	Corrections	NA	Immersion Medium	Cover-glass Thickness
4X	achromatic	0.10	—	0.17mm
10X	achromatic	0.25	—	0.17mm
40X	achromatic	0.65	—	0.17mm
100X	achromatic	1.25	oil	0.17mm

Packing List:

One binocular microscope head
One microscope body
Four objective lenses: 4X, 10X, 40X, 100X
One pair 10X eyepieces
One pair 25X eyepieces
One blue color filter
One dust cover
One sample immersion oil

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