---
product_id: 805685
title: "AmScope B490B-BS-50P-S Compound Binocular Microscope, WF10x and WF20x Eyepieces, 40X-2000X Magnification, Brightfield, Halogen Illumination, Abbe Condenser, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics, Anti-Mold, Includes 50 Blank Slides and 100 Coverslips"
brand: "amscope"
price: "E£ 69319"
currency: EGP
in_stock: true
reviews_count: 2
category: "Am Scope"
url: https://www.desertcart.com.eg/products/805685-amscope-b490b-bs-50p-s-compound-binocular-microscope-wf10x-wf20x
store_origin: EG
region: Egypt
---

# Halogen illumination with rheostat control 40X-2000X magnification range Double-layer mechanical stage with 1mm divisions AmScope B490B-BS-50P-S Compound Binocular Microscope, WF10x and WF20x Eyepieces, 40X-2000X Magnification, Brightfield, Halogen Illumination, Abbe Condenser, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics, Anti-Mold, Includes 50 Blank Slides and 100 Coverslips

**Brand:** amscope
**Price:** E£ 69319
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate your lab game with pro-grade clarity and comfort — don’t miss the microscopic magic!

## Quick Answers

- **What is this?** AmScope B490B-BS-50P-S Compound Binocular Microscope, WF10x and WF20x Eyepieces, 40X-2000X Magnification, Brightfield, Halogen Illumination, Abbe Condenser, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics, Anti-Mold, Includes 50 Blank Slides and 100 Coverslips by amscope
- **How much does it cost?** E£ 69319 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/805685-amscope-b490b-bs-50p-s-compound-binocular-microscope-wf10x-wf20x)

## Best For

- amscope enthusiasts

## Why This Product

- Trusted amscope brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ergonomic Binocular Design:** Sliding head with 55-75mm interpupillary adjustment, 30° tilt, and 360° rotation reduces eye & neck strain while enabling effortless sharing.
- • **Complete Starter Kit Included:** Comes with 50 blank slides, 100 coverslips, immersion oil, color filters, and spare halogen bulb—everything to jumpstart your microscopy journey.
- • **Rock-Solid Stability & Precision:** Heavy-duty double-layer mechanical stage with stage stop and tension-controlled coarse/fine focus prevents drift and protects slides.
- • **Customizable Brightfield Illumination:** Halogen light source with rheostat and 1.25 NA Abbe condenser with iris diaphragm offers precise light control for optimal specimen visibility.
- • **Precision Optics for Crystal-Clear Views:** Achromatic 4x-100x spring-loaded objectives with color correction and anti-mold coating ensure sharp, vibrant images even in humid labs.

## Overview

The AmScope B490B-BS-50P-S is a robust compound binocular microscope offering 40X to 2000X magnification with interchangeable 10x and 20x widefield eyepieces. Featuring halogen brightfield illumination with rheostat control, a precision 1.25 NA Abbe condenser, and a double-layer mechanical stage with fine focus and stage stop, it delivers detailed, strain-free viewing. Its anti-mold optics and ergonomic sliding head with 360° rotation make it ideal for educational, biological, and lab applications. The package includes 50 blank slides, 100 coverslips, immersion oil, and spare parts, providing a comprehensive setup for serious microscopy enthusiasts.

## Description

The AmScope B490B-BS-50P-S compound binocular microscope has a sliding head, interchangeable pairs of 10x widefield and 20x widefield eyepieces, a forward-facing nosepiece with four DIN achromatic objectives, Brightfield halogen illumination, a double-layer mechanical stage with a stage stop to protect slides and objectives from damage, and anti-mold surfaces to preserve optics in high-humidity areas. The compensation-free binocular viewing head has interchangeable pairs of 10x widefield and 20x widefield eyepieces and sliding head to adjust inter-pupillary distance, a fixed 30-degree vertical inclination to reduce eye and neck strain, and a 360-degree rotation capability to provide a more comprehensive view and enable sharing. The sliding head has a range of 55 to 75mm to accommodate individual eye differences, and bi-lateral dioptric adjustment accommodates individual eye-strength differences. The forward-facing nosepiece has 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic optical-glass objectives that combine with the eyepieces to provide color correction of magnified images. The 40xS objective is spring loaded to prevent slide damage when focusing. The 100xS spring-loaded oil objective provides increased resolution over a standard objective. A compound microscope is used for inspection and dissection of specimens when two-dimensional images are desired.The microscope has lower (transmitted, diascopic) Brightfield illumination that transmits light up through the specimen for enhanced visibility of translucent and transparent objects. Brightfield (BF) illumination allows the specimen to absorb light, resulting in a dark image on a light background. Halogen illumination provides bright light in a concentrated path and has a rheostat to control light intensity. The 1.25 NA Abbe condenser is mounted on a rack-and-pinion control system, can be adjusted to control the distance of the light from the stage, and has an iris diaphragm to optimize the amount of light illuminating the specimen. The double-layer mechanical stage, with 1mm stage divisions, locks the slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, enabling the viewer to return to a specific location on the slide. A stage stop prevents the stage from coming into contact with the slide and objectives. The stage is 5-1/2 x 5-1/2 inches (140 x 140mm) and has a traveling range of 2-15/16 x 1-3/4 inches (75 x 45mm). Graduated coaxial coarse and fine focus has a focusing range of 1-3/16" (30mm) and fine-focus divisions of 0.002mm (0.0000787") that enable measurements to be taken. Focus knob tension control prevents the stage from drifting out of focus. The solid-metal enamel-coated body is durable and resistant to stains and corrosion. SpecificationsHeadCompound binocularEyepiecesWF10x, WF20xObjectives4X, 10x, 40xS, 100xS (oil)StageDouble-layer MechanicalLighting configurationTransmitted (lower)Condenser1.25 NA AbbeDiaphragmIrisLight sourceHalogen with rheostat, 6V/20WIllumination typeBrightfieldPower110VOverall dimensions12 x 9 x 16 inches (H x W x D)H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.Microscopes are instruments used to enhance the resolution of an object or image. Types include compound, stereo, or digital. Compound microscopes use a compound optical system with an objective lens and an eyepiece. Stereo microscopes show object depth in a three-dimensional image. Digital microscopes are used to display an image on a monitor, rather than looking through a lens. Microscopes can have monocular (one), binocular (two), or trinocular (three) eyepieces, with varying magnification abilities. Magnification ability refers to the size of an image. Resolution, also known as resolvant power, refers to the clarity of the image. The interaction between field of view (FOV), numerical aperture (NA), and working distance (WD) determines resolution. Microscopes can control magnification through a fixed focus, or through a range of adjustments. They can also utilize LED, fluorescent, and mirror light sources to help control viewing capabilities. Microscopes are widely used in education, lab research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries.United Scope manufactures microscopy equipment and accessories under the brand name AmScope. The company, founded in 1996, is headquartered in Irvine, CA.What's in the Box?AmScope B490B microscope with double-layer mechanical stage10x widefield eyepieces, one pair20x widefield eyepieces, one pair4x DIN achromatic objective10x DIN achromatic objective40xS DIN achromatic objective100xS (oil) DIN achromatic objectiveImmersion oil, one bottle(2) Color filters; blue and green(50) Blank slides(100) CoverslipsSpare halogen bulbSpare fuseInstructions

Review: Shop around for a more suitable scope - To start this review I will outline my reasons for purchasing this microscope, then I will discuss its advertised use for the medical field. I wanted to enter Kodak's Small World Competition. I was deciding between AmScope's mid-grade Binocular Biological Microscope, and this model, AmScope's Professional Binocular Biological Microscope. I also considered a $90 beginner microscope, and a mid-grade binocular microscope by Omax. I chose this microscope for several reasons. (1) It was a decent package deal. It includes everything you need to start looking at microscopic organisms. Set up took 15 minutes or less and it includes microscope immersion oil, slides and cover slips. (2) For great photographs, I needed a well balanced lighting fixture on the microscope. This microscope has a halogen bulb, typically producing about 5k-6k lumen, whereas the mid-grade microscope has a tungsten illumination system, which has a warmer light color. (3) The price was great, for only $30 extra you can get the pro-grade instead of the mid-grade. They are using ridiculous low price claims though, stating this microscope retails for $1,200. NO WAY! $230 is FAIR for this product and if you pay more, you are making a mistake... Why? Because the microscope isn't quite pro-grade. Maybe it is a step above the mid-grade, but it is not perfect. The construction is solid but apparently so is the mid-grade. The aperture needs to be closed REALLY TIGHT to view detail past the 1000x zoom point, and the light bulb will just not get bright enough to see small specimen. This means the 100x DIN objective is virtually useless to see detail, and it is difficult to see at the 400x point. This means you're losing the use of 2 DIN objectives. It may be possible to increase luminosity by replacing the bulb, or by modifying the voltage, but when I pay good money for a product, I expect it to work as it should. I can't deny this product is sturdy, but it is HEAVY. This is a product you need to dedicate a desk to because its not going anywhere. To take photos, I was planning on buying a 10mp microscope camera from AmScope ($300), but will probably wait to buy a microscope with an LED bulb to use with a digital SLR. The light is still too warm and looks too washed out. Forget about using a dark field condenser, you won't have detail. I will be keeping this microscope since microscopy is a great hobby, but I will need a microscope with an LED for a cooler light balance if I plan on entering Kodak's competition. It will be possible to get extreme detail if I hook up a Digital SLR 14mp camera, even at 200x, What does this mean for a doctor's office looking for a microscope? From my experience its easy to see detail of a cell with 400x zoom (as long as you have good eyes). If you need to view smaller bacteria at 1000x or 2000x, shop around for a different scope with a better lighting system. It just gets too dark at these zoom levels without sacrificing detail. And if your a doctor buying such a serious piece of equipment, your probably expecting the scope to work perfectly without modifying it in any way. You will be frustrated with the inability to view tiny pathogens. Buy a better established brand, even if you have to pay $400. As for where AmScope saves you money, its in the packaging. I had a bad experience with the immersion oil. The bottle is made of cheap plastic which bursted when I tried applying it, which then got all over the microscope. And the microscope comes in a clumsy foam box (parts of the package were lodged out of place, but nothing damaged).
Review: This is where the title goes... - Good microscope for the money. Feels very solid. I've had it for about 6 months and havent got to use it much but, when i have it has performed to expectation. I left out the slide covers and my cat knocked over the box. it happened months ago and in still finding them though out the house.

## Features

- Compound microscope provides high magnification for biological use and educational applications
- Binocular viewing head with pairs of 10x widefield and 20x widefield eyepieces and sliding head with 55 to 75mm interpupillary adjustment, fixed 30-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to provide a more comprehensive view and enable sharing
- Forward-facing nosepiece with 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic precision-ground optical-glass objectives that provide color correction of magnified images, and anti-mold surfaces to preserve optics in high-humidity areas
- Brightfield, halogen illumination with rheostat to control light intensity, and 1.25 NA Abbe condenser with iris diaphragm and rack-and-pinion focus control for precise focus, clear examination, and light control
- Double-layer mechanical stage with 1.0mm stage divisions and stage stop; and graduated coarse and fine focus with tension control to prevent stage drift

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004V1RG9M |
| Best Sellers Rank | #737,492 in Electronics ( See Top 100 in Electronics ) #160 in Lab Compound Binocular Microscopes |
| Customer Reviews | 3.5 3.5 out of 5 stars (2) |
| Date First Available | March 2, 2011 |
| Item Weight | 16.75 pounds |
| Item model number | B490B-BS-50P-S |
| Manufacturer | United Scope LLC. |
| Package Dimensions | 20.1 x 16.9 x 9.4 inches |

## Product Details

- **Brand:** AmScope
- **Color:** black
- **Light Source Type:** Halogen, LED
- **Magnification Maximum:** 2000 x
- **Material:** optical glass
- **Model Name:** B490
- **Objective Lens Description:** Achromatic
- **Power Source:** Corded Electric
- **Real Angle of View:** 45 Degrees
- **UPC:** 013964500646

## Images

![AmScope B490B-BS-50P-S Compound Binocular Microscope, WF10x and WF20x Eyepieces, 40X-2000X Magnification, Brightfield, Halogen Illumination, Abbe Condenser, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics, Anti-Mold, Includes 50 Blank Slides and 100 Coverslips - Image 1](https://m.media-amazon.com/images/I/51wRs2mIR6L.jpg)

## Customer Reviews

### ⭐⭐⭐ Shop around for a more suitable scope
*by O***Z on December 28, 2011*

To start this review I will outline my reasons for purchasing this microscope, then I will discuss its advertised use for the medical field. I wanted to enter Kodak's Small World Competition. I was deciding between AmScope's mid-grade Binocular Biological Microscope, and this model, AmScope's Professional Binocular Biological Microscope. I also considered a $90 beginner microscope, and a mid-grade binocular microscope by Omax. I chose this microscope for several reasons. (1) It was a decent package deal. It includes everything you need to start looking at microscopic organisms. Set up took 15 minutes or less and it includes microscope immersion oil, slides and cover slips. (2) For great photographs, I needed a well balanced lighting fixture on the microscope. This microscope has a halogen bulb, typically producing about 5k-6k lumen, whereas the mid-grade microscope has a tungsten illumination system, which has a warmer light color. (3) The price was great, for only $30 extra you can get the pro-grade instead of the mid-grade. They are using ridiculous low price claims though, stating this microscope retails for $1,200. NO WAY! $230 is FAIR for this product and if you pay more, you are making a mistake... Why? Because the microscope isn't quite pro-grade. Maybe it is a step above the mid-grade, but it is not perfect. The construction is solid but apparently so is the mid-grade. The aperture needs to be closed REALLY TIGHT to view detail past the 1000x zoom point, and the light bulb will just not get bright enough to see small specimen. This means the 100x DIN objective is virtually useless to see detail, and it is difficult to see at the 400x point. This means you're losing the use of 2 DIN objectives. It may be possible to increase luminosity by replacing the bulb, or by modifying the voltage, but when I pay good money for a product, I expect it to work as it should. I can't deny this product is sturdy, but it is HEAVY. This is a product you need to dedicate a desk to because its not going anywhere. To take photos, I was planning on buying a 10mp microscope camera from AmScope ($300), but will probably wait to buy a microscope with an LED bulb to use with a digital SLR. The light is still too warm and looks too washed out. Forget about using a dark field condenser, you won't have detail. I will be keeping this microscope since microscopy is a great hobby, but I will need a microscope with an LED for a cooler light balance if I plan on entering Kodak's competition. It will be possible to get extreme detail if I hook up a Digital SLR 14mp camera, even at 200x, What does this mean for a doctor's office looking for a microscope? From my experience its easy to see detail of a cell with 400x zoom (as long as you have good eyes). If you need to view smaller bacteria at 1000x or 2000x, shop around for a different scope with a better lighting system. It just gets too dark at these zoom levels without sacrificing detail. And if your a doctor buying such a serious piece of equipment, your probably expecting the scope to work perfectly without modifying it in any way. You will be frustrated with the inability to view tiny pathogens. Buy a better established brand, even if you have to pay $400. As for where AmScope saves you money, its in the packaging. I had a bad experience with the immersion oil. The bottle is made of cheap plastic which bursted when I tried applying it, which then got all over the microscope. And the microscope comes in a clumsy foam box (parts of the package were lodged out of place, but nothing damaged).

### ⭐⭐⭐⭐ This is where the title goes...
*by V***R on May 3, 2012*

Good microscope for the money. Feels very solid. I've had it for about 6 months and havent got to use it much but, when i have it has performed to expectation. I left out the slide covers and my cat knocked over the box. it happened months ago and in still finding them though out the house.

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-03-04*