AmScopeSM-4TZ-144A Professional Trinocular Stereo Zoom Microscope, WH10x Eyepieces, 3.5X-90X Magnification, 0.7X-4.5X Zoom Objective, Four-Zone LED Ring Light, Double-Arm Boom Stand, 110V-240V, Includes 0.5X and 2.0X Barlow Lens

The scope works as good as some of the ones I used in the Entomology lab at University of Florida and better than most of the student scopes. The base is solid providing stability and the swing arm allows easy access while easily moving out of the way. The LED light ring I bought with it has been more than capable to adjust to multiple insect sizes. Its adjustability provides a wide range of bright to dimmer light for small translucent wings or hard dark beetle shells I need to count pits on for identification. I use it for insects ID in the 2 mm size and up. I will be ordering a wall mount swing arm in the near future for my new office, but this scope and stand are better than I expected for the price after years of use.

I purchased this for my hobbies in geology and archaeology and it has been outstanding - with a couple of caveats.This microscope has no stage, and many of my specimens are too small to see without raising them to the lens, so I had to solve for a workable stage that I could set rocks and other hard sharp objects on. I ended up using a small laboratory jack (Sold on Amazon as well) for the stage allowing me to put a specimen on it and raise it to the approximate required level, and then using the microscope for the final adjustments. This has worked out perfectly.I read about the horizontal rails on a similar model becoming pitted due to being undersized for the bearings rolling against them. With this in mind, I always carefully apply upward force to the heavy end before rolling it and have seen no pitting. No sense taking any chances - I want this microscope to last.The lens are perfect for my hobbies, and the ability to zoom is especially useful. The light source is really useful as well - it is bright and you can adjust the direction of the light by turning off some of the LEDs.The unit is incredibly big and heavy - I didn't realize just how big and heavy until I assembled it and then decided to move it. It was too long to fit in the appointed spot in my lab, but luckily because it will turn every which way, I ended up sitting it up sideways instead of longways and it works fine. You will have no problem with the unit accidentally moving (unless of course the table its on collapses!) as it is very heavy.I purchased this unit with the idea of someday attaching a camera, but have not done so as yet so I can't speak to that function.Movements are all smooth and have a professional feel to them. Overall this has been a wonderful purchase with one small hitch...You must assemble the unit from several parts - and the manual that came with my unit did not apply to the microscope I purchased. Weird. Most of the assembly was straight forward and being a man (I hate to ask for help) I finally figured out the few odd attachments you must make. Overall it was a fun puzzle to solve, but most people would likely prefer to either receive the correct assembly instructions or look them up online. It took about 30 minutes to assemble (and most of that was scratching my head over 1 part).

This is the correct microscope for electronics assembly. Unlike mono electronic microscopes, a stereo microscope gives depth of field making assembly much easier. The 0.5 Barlow lens is the perfect compromise between view area and close zoom. You can zoom out to see an entire 100 TQFP package or zoom in to inspect solder joints. The light is excellent, the view is bright, clear, and stable. Please get a taller column so you could place a hot plate under the microscope but that's about all I would change. Note that you must refocus when zooming and using the camera port blocks vision to the left eye, but that's all you are giving up for significant savings.

Debería tener un movimiento más natural al girar las piezas, raspan metal con metal y generan un ollín. Este modelo no es el mejor ya que habilitando la cámara pierdes uno de los ojos. De resto bien de bien.

I could not be happier with this scope. It’s a luxury compared to using a loupe to do watch services. I actually enjoy using it. It’s well made and packaged and DID come with a QR code for all the instructions you need. This is a US based company and the instructions are well laid out in PERFECT English. I can completely work under it and haven’t had any problems so far. For the money, I would happily take the Pepsi challenge against more expensive microscopes, confident it would win. You cannot go wrong purchasing this. It obvious Amscope know what’s it’s doing and I wouldn’t hesitate purchasing other products from them. Yeah, it’s that good.

I have used several different stereoscopes from different makers over the last 30 years to do repair and modification work on micro electronics. Most of the brands have been significantly more expensive than this was. I must say, I find the optics and durability of this scope to be on par with instruments costing multiples more than these. Although it would be nice for those unfamiliar with these to have received assembly instructions, being experienced with these instruments, I had little trouble. Aside from that, I am extremely pleased with the quality of this instrument for the price.

This scope is a true bargain. The optics are as crisp and as sharp as any name brand professional scope that I have used. The boom stand is not all it could be since the moving parts do not lock down without torquing the compression levers and knobs with all of my strength but it is still quite functional. I am using a full frame Nikon 810camera on the C mount camera tube and it works quite well (the Nikon camera mount is not included and can be purchased separately from AmScope). The camera can not be locked into the mount with a set screw,and can turn if touch but I have not found that to be problematic. One annoying feature of the optics when using the 2x lens to acquire the 45 to 90 x magnification range is that the field is quite curved but this aberration can be removed in Photoshop. Regardless of these minor limitations, I definitely will not be sending this scope to back to Amazon!