AmScope B490 Series Binocular Compound Microscope 40X-2000X Magnification 220V Version

This is the 220V version of the B490B for use only in regions which support 220V.

The B490 is our hardest-working, go-to microscope. The top choice for veterinarians, breeders, and clinics, this instrument has proven reliability and optical-quality. It boasts features such as a compensation-free Siedentopf head, smooth stage translation, and a precision focus system with easy tension-adjustment and vertical lock.

The 490 series offers a wide range of optional accessories to expand the functionality. The magnification range can be expanded with a large selection of objective and ocular lenses. Specialized condensers are available for dark-field and phase-contrast applications, ideal for bloodwork, fluid-analysis, and pathology.

Specifications

Optical System	Finite
Mechanical Tube-length	160mm
Head	Binocular, 30° incline, 360° rotatable
Interpupillary Adjustment	Compensation-free gemel
Ocular Tube Diameter	23mm
Eyepieces	10X FN 18mm 20X
Nosepiece	Quadruple forward
Objective Lenses	4X, 10X, 40X (spring), 100X (spring, oil)
Focusing System	Coaxial coarse and fine focus, upper limit-stop, tension-control
Stage	Double-layer 140mm x 140mm
X-Y Translation Range	75mm x 45mm
Focus Range	30mm
Fine-focus Precision	0.002mm
Sub-stage Condenser-holder	Rack-and-pinion
Condenser	Achromatic Abbe condenser, NA1.25
Transmitted Illumination	20W Halogen Incandescent
Power	220VAC 50Hz

Objective Lenses

Magnification	Corrections	NA	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	0.17mm

Contents

Binocular head

Microscope body

DIN Objectives, 4x, 10x, 40x and 100x

Widefield 10x eyepieces (pair)

Widefield 20x eyepieces (pair)

Color filters (blue, green, yellow)

6v/20w spare halogen bulb

Spare fuse

Power cord

Dust cover

Sample immersion oil