AmScope B490B-220V Binocular Biological Microscope with 2000X Magnification and 20W Incandescent Light Source
Key Features
- This is the 220V version of the B490B for use only in regions which support 220V.
- Eight widefield magnification settings 40x-2000x
- Abbe condenser with iris diaphragm
- 3D double layer mechanical stage
- Heavy-duty sturdy metal framework
- Tension adjustable coarse & fine focus
B490 / T490 Compound Microscope Family
Choose the viewing head and illumination that fit your workflow.
Four professional configurations built around the same finite-achromatic optical platform and precision mechanical stage.
AmScopeB490 / B490-LED / T490 / T490-LED
40X-2500XFamily magnification range
Finite achromaticOptical system
Abbe NA 1.25Rack-and-pinion condenser
Halogen or LEDIllumination choices
One professional family.
Four configurations.
Compare head type, camera readiness and illumination technology at a glance.
4MODELS COMPARED
| COMPARE AT A GLANCE | B490 | B490-LED | T490 | T490-LED |
|---|---|---|---|---|
| Viewing head | Siedentopf binocular | Siedentopf binocular | Siedentopf trinocular | Siedentopf trinocular |
| Dedicated camera port | No | No | Yes | Yes |
| Simul-focal | No | No | Yes | Yes |
| Illumination type | Transmitted | Transmitted | Transmitted | Transmitted |
| Light source | Incandescent / halogen | LED | Incandescent / halogen | LED |
| Illumination power | 20W | 1.4W | 20W | 1.4W |
| Magnification family | 40X-1000X / up to 2500X | 40X-1000X / up to 2500X | 40X-1000X / up to 2500X | 40X-1000X / up to 2500X |
| Eyepieces | 10X / 16X / 20X / 25X | 10X / 16X / 20X / 25X | 10X / 16X / 20X / 25X | 10X / 16X / 20X / 25X |
| Objective set | 4X / 10X / 40X / 100X oil | 4X / 10X / 40X / 100X oil | 4X / 10X / 40X / 100X oil | 4X / 10X / 40X / 100X oil |
| Optical design | Finite achromatic | Finite achromatic | Finite achromatic | Finite achromatic |
| Condenser | Abbe NA 1.25 | Abbe NA 1.25 | Abbe NA 1.25 | Abbe NA 1.25 |
| Darkfield condenser | Dry option | - | Dry and oil options | - |
| Condenser adjustment | Rack-and-pinion | Rack-and-pinion | Rack-and-pinion | Rack-and-pinion |
| Power compatibility | 110 VAC, 60 Hz | 110 VAC, 60 Hz | 110 VAC, 60 Hz | 110 VAC, 60 Hz |
| Camera bundles available | Yes | Yes | Yes | Yes |
B490Routine veterinary, clinical and laboratory brightfield work.
B490-LEDExtended viewing, classrooms and heat-sensitive live specimens.
T490Imaging, documentation, pathology and color-critical viewing.
T490-LEDDigital imaging, live specimens and extended laboratory sessions.
B490/T490 family summary page
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
| compatibility | None |
| illumination style | Transmitted (Bottom) |
| Manufacturer | AmScope |
| microscope application | Clinic, Veterinary, Laboratory |
| microscope category | Compound |
| microscope color | White |
| microscope condenser design | Abbe-Rack & Pinion w/ diaphram |
| microscope condenser optics | NA 1.25 |
| microscope condenser type | Brightfield |
| microscope eyepiece power | 10X, 20X |
| microscope eyepiece size | 23mm |
| microscope field view | Widefield |
| microscope head style | Binocular |
| microscope iris | With Iris |
| microscope light power | 20W |
| microscope light shape | Built-in |
| microscope light type | Halogen |
| microscope magnifying power | 40X to 2000X |
| microscope number of bulbs | 1 |
| microscope objective power | 4X, 10X, 40X, 100X |
| microscope objective size | 20mm |
| microscope optics | Achromatic |
| microscope power supply | 220V |
| microscope stage | Two-layer Mechanical Stage |
| optics | Achromatic |
| product condition | NEW |
| prop 65 |
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