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+3
40X-1000X LED COMPOUND BIOLOGICAL MICROSCOPE
2501
$235.00
In stock
1
Product Details
UPC:131CLED-MS
Brand:National Optical
The B250 binocular compound microscope is small, but it packs a big punch. The sleek, compact design uses a minimal footprint while providing high-efficiency features like a Siedentopf head, coaxial coarse and fine focus, and a 2-layer mechanical stage. The reversed lens turret maximizes the stage's working space. The microscope is perfect for classroom workstations or labs with limited space.
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. The head can also be rotated 360° to accommodate multiple users. Various eyepieces can be used to increase the overall optical magnification.
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. The turret's reversed orientation provides more working room above the stage. This model uses compact-format lenses to reduce the overall profile while maintaining achromatic corrections to improve resolution and color accuracy.
The 2-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.
The LED sub-stage lighting provides cool, energy-efficient illumination. The light-source is daylight balanced to produce natural colors for imaging. The Abbe light condenser uses a simple spiral-control for height adjustment, and an iris diaphragm to optimize contrast and depth-of-field.
Specifications
Optical System Finite-conjugate
Mechanical Tube Length 160mm
Head Binocular, 30° incline, 360° rotatable
Interpupillary Adjustment Siedentopf, 48-75mm
Ocular Diameter 23mm
Eyepieces 10X, 25X
Objective Lenses Short-barrel
Objective Mounting Thread RMS 20.32mm
Objective Turret quadruple, reversed
Focusing System Coaxial coarse and fine focus
Focus Range 30mm
Division of Fine Focus 0.002mm
Stage Design Double-layer with caliper
Stage Dimensions 115mm x 109mm
X-Y Translation Range 55mm x 18mm
Transmitted Illumination Variable-intensity LED
Condenser NA1.25 Abbe condenser with iris diaphragm
Sub-stage Condenser-holder spiral adjustment
Power 100-240VAC 50/60Hz wide-band
Objective Lenses
Magnification Corrections NA Immersion Medium Cover-glass Thickness