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The AmScope SM-3BX-80S professional stereo zoom microscope has a pair of 10x super-widefield high-eyepoint eyepieces, a 0.7x-4.5x zoom objective, a 0.5x Barlow lens, and a single-arm boom stand. The microscope has an overall magnification range of 3.5x-45x. The binocular viewing head has an interpupillary range of 55 to 75mm, a 45-degree inclination to reduce eye and neck strain, and 360-degree rotation to enable sharing. The WH10x20mm super-widefield high-eyepoint eyepieces combine with the 0.7x-4.5x zoom objective to provide continuous zoom magnification and a longer working distance for inspecting large-scale specimens that require handling or repair. The microscope includes a 0.5x Barlow lens that can be added to the objective to decrease the magnification range. A Barlow lens with a magnification of less than 1.0 reduces magnification and increases the working distance. High-eyepoint eyepieces ease viewing for users who wear glasses, and dioptric adjustment accommodates individual eye-strength differences. A stereo microscope, sometimes called an inspection or dissection microscope, has low magnification and a long working distance that enables users to manipulate the object being inspected.
The removable 80-bulb LED ring light provides bright, cool light for working with temperature-sensitive or live specimens. The ring light provides shadow-free illumination, and a rheostat controls the amount of light emanating from the lamp. Power and adjustment controls are located on the light head. The light has a 100,000-hour life span and a 90V-265V variable power supply. The microscope has a 17" pillar that has an 8" vertical working distance. The 16" single-arm boom has a 24" overall length. Bilateral focus eases use for left- and right-handed users. The microscope head can be rotated on the X- and Y-axes. The solid cast-steel base is 1-3/4 x 9 x 9 inches (H x W x D, where 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).
SpecificationsHeadBinocularMagnification range3.5x-45xZoom objective power0.7x-4.5xEyepieces (DIN, 30mm)WH10x20mm high-eyepointZoom range13:1Field of view2-1/2"Optical working distanceUp to 8"Microscope standSingle-arm boom standHead movementX- and Y-axesIllumination typeEpiscopic (reflected)Light source80-bulb LED ring lightPower90V-265V
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 SM-3BX-80S stereo zoom microscope with single-arm boom stand
- WH10x20mm eyepieces, 30mm, one pair
- 0.5x Barlow lens
- 0.7x-4.5x zoom objective
- 80-bulb LED ring light (LED-80S)
- Focus rack
- Eye guards, one pair
- Instructions
mmyotis
Reviewed in the United States on January 9, 2025
I love the microscope. Excellent quality, solid stand. My only regret is that I didn't spend a little more and get the camera attachment.
Ernest Gonzalez
Reviewed in the United States on July 31, 2021
I was in the market for a scope for jewelry work and hand engraving and wanted one that was good for zooming out to a large field of view and zooming in for fine details. This was way better for the price vs the higher end competitors like Leica and was way more affordable. Assembly was super easy and didn't need the instruction manual because the photo from Amazon was the instructions. Very easy to assemble. Highly recommend this product to anyone in the market for a good microscope for jewelry, Stine setting, engraving, or even anyone who works on circuit boards. It's very versatile.Thanks!
JimmyCharles
Reviewed in Canada on September 5, 2017
Love it. Great product and use it often.
N0DY
Reviewed in the United States on May 4, 2017
I'm very happy with my AmScope purchase. It made of high quality materials and has excellent optical quality as well. So why only 4 stars? After using it a little bit, I discovered that the single arm model has a down side. When you loosen the adjustment to move the arm horizontally (closer / further from the base), it also allows the arm to rotate around its axis. This is inconvenient if you have the head offset of the centerline of the boom - it will want to rotate as soon as you loosen the adjustment. Ideally, you'd like to be able to move the arm back and forth freely while working, but because of the rotational issue, it's necessary to keep the adjusting nuts tightened at all times except when actually moving the head. I decided I wanted to exchange the unit for a dual arm unit, which wouldn't have the rotational issue. . I took off one star because of the rotation, which may or may not be an issue for you. If you're keeping it in a fixed position most of the time, you may not care and can save the extra cost of the dual arm model.I have to say that the AmScope customer service was outstanding. They went out of their way to help me get what I wanted, and were most helpful with smoothing the details of the transaction.
ThisEngineer'sLife
Reviewed in the United States on January 27, 2017
I have been using this scope for six months and can safely say that this is a real industrial-grade inspection scope. Optics are perfect for my use. For electronics inspection/re-work, this scope is as good as other manufacture's models I have used, but that cost 4x as much. The zoom and focus knobs on the AmScope are plastic, but they seem plenty durable.
JAAS666
Reviewed in the United States on January 16, 2017
Great microscope from AmScope. After buying mine I had to replace the head as I was wanting to record video and a trinocular head would be a lot more convenient. Spoke with AmScope directly and they made the exchange process fast and pain free. Love this microscope.
Jim
Reviewed in the United States on May 3, 2016
very clear well lit field of view!The base is heavy and actually allows you to extend the scope out without the entire thing tipping over; this means you can actually "look" at your work without the instrument actually getting in the way of putting your hands on the work.being able to keep my glasses on while using the instrument is much more convenient than a headset or loupe ;-)It is not "cheap" but its well worth the money.
gaaah
Reviewed in the United States on December 13, 2016
This is my first microscope of this kind so I really cant compare, but the build is solid and the illumination is really good. The model I got is the SM-3BX-80S. It comes with a 0.5X aux (Barrow) objective just in case you need to cut down on the magnification. The only snag was the manual that came in the box was a generic factory manual that covered entirely different models. So I decided to download one. The support section of the AmScope site will ask you to enter a password before you can download a manual. The password is on a sticker on your shipping box. I entered it, and the download turned out to be a manual for the SM7 series --which was still not the correct one. HOWEVER, after a quick live chat with a rep on the AmScope site, the rep emailed me the correct manual.My model came with a dust cover --a little item the description did not mention.
juan
Reviewed in the United States on October 29, 2015
This is simply the best scope you can get for the price. I am a botanist and work with stereoscopes every day, and the optics of this is stunning. All the pieces are really good quality. Just be aware that the base that holds everything is a really heavy piece of metal, a pain to transport.
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