I am very impressed that this high resolution microscope with a good color display is so relatively inexpensive. It's not the cheapest either, but it has a lot of power and features for the price.I am a characterization scientist for a living. I have been analyzing digital microscopes for the past several months to find ones that I like for laboratory use and home use that are also relatively inexpensive. This microscope, using the 2000x magnification lens, has the best resolution of any microscope I've tested so far (other than ones at a lab that cost several thousand dollars each). I use a standard USAF 1951 resolution target, the industry standard for determining how much detail a microscope can ACTUALLY see. The reference target itself is a precision device that costs three times more than this microscope, so I have been sharing this info in reviews so home users can benefit from real data. When looking at the clusters of lines, you typically decide what the smallest set is that you can still see individual lines, some will be blurry when they are too small for the microscope to see. For this microscope, I can see all of the pairs clearly, which is amazing for a microscope this inexpensive. That means it can see at least 228 line pairs per mm, or features that are less than 2 microns (0.0002 cm or 0.00008 inches) in size. I verified that by looking at a sample of blood cells, which are 6-8 microns in diameter, and the cells are easily resolvable.The key here is that they provide two lenses. One is optimized for fine detail, and it has very high resolution, it lets you see cells and other items prepared on flat glass slides. The tradeoff of that is that it needs a lot more light, and the focus is on a very thin region which is why the cell samples are on glass. It is a fact of optics that as the magnification increases, the depth of field gets smaller. There is no way to have high magnification and see features that are 3D. That is why it is great that they provide a lower magnification lens too. This low mag lens needs much less light, and you can see 3D items well.If you look at the difference in size between the glass in the two lenses, you will understand why the high magnification lens needs more light. The glass is much smaller, so it's focusing less light onto the camera sensor. For photographers, this will all make intuitive sense too, since the same basic optics laws apply.Finally, the screen on this seems to have good color rendition. Many other microscopes have terrible screens. I don't like that I need to push a button on the screen to take a photo, it makes the sample shake, but you can simply use it tethered to a computer for that. The screen is still amazing for live viewing. On my Mac, it doesn't act as a full 12 MP camera, but that may be a settings problem for my computer. The focus adjustment is decent, I find it easier to move the sample stage to get good focus.I'll update this review with more images later to show off some other good uses of this microscope. Once again, I am impressed with the performance for how inexpensive it is.