Supereyes B003+ 2.0MP 0.1~300X Handheld USB Digital Microscope Endoscope Loupe Otoscope Magnifier w

In reading about this product before purchase, it was not entirely clear whether it had a continuous zoom capablity. The answer is Yes, it does have continuously variable magnification, although not in the same manner as the zoom on a digital camera. By simply turning the focus knob, one can adjust the focal distance from infinity to approximately 6 millimeters. At the infinity focus setting, the field of view is roughly the same as a simple hand-held digital camera, and the image across the room is fairly good. As you rotate the focus barrel, the field of view continuously decreases as does the focal distance. You can stop at any point in the rotation and find the focus point for that particular setting. At the opposite end of the focus rotation, the focal distance is roughly 6mm (1/4")and maximum magnification is reached. The effective magnification you get is dependent on the size of computer screen you have. At maximum magnification, a 1.00 millimeter gradation (included with the unit as a calibration tool) measured about 150 mm on a laptop screen, for a magnification factor of 150X. The same image on a 23" monitor would be pretty close to the stated 300X magnification capability.

As with all microscopes, the depth of focus gets smaller as the magnification increases. At maximum magnification, the depth of focus is extremely shallow, which means it is very touchy to focus the microscope (and stay in focus). The included tripod stand is not really satisfactory at high mag. since there is no focus knob, just a gripper through which you must slide the body to adjust focus. The plastic tripod is too flexible to provide a repeatable height as you try to make tiny adjustments to the microscope position. I've seen a knob-adjustable stand on EBay which was purpose-built for the Super-eyes Digital microscopes, but I have not yet tried it out to see how stable it is. It is reasonably priced, so I'll probably order one to try it out. At lower magnifications, the tripod stand is fairly OK, such as taking a macro photo of a stamp, or looking at a bug.

The software that comes with the microscope is OK, but very basic and not particularly intuitive. I'm still playing with it to understand its capabilities, but it does at least have a rudimentary on-screen measurement capability, and comes with a little plastic strip with a calibration scale printed on it. Of course, calibration is magnification-dependant, so if you change the mag (focus), you must re-calibrate. I have not yet played with the video capability of the software. The instruction manual is written in pigeon-English and not very useful. It does not even describe how to install the software on your computer (you have to copy over a folder from the disk to your desktop and start Supereyes.exe from that folder.)

There is a thumbwheel illumination controller which is spliced into the USB cable. It works well to control the level of illumination given by the 4 integrated LEDs. The issue with the thumbwheel is that it is located only ~10 inches from where the cable enters the microscope body, so with the rickety lightweight tripod stand, you have to be really careful not to disturb the positioning of the microscope when you want to change the illumination. On the other hand, the camera software has an auto-brightness function, so changing the illumination is not often required.

In the photos of this microscope, the pencil-shaped body looks like metal and it is; apparently anodized aluminum. The unit is very sturdy and the focus barrel moves very smoothly through its range. There is no strain relief for the USB cable where it exits the body, so you will probably want to take care to not bend the cable very often.

The camera sensor is a CMOS chip, not a CCD chip as in most digital cameras, so the color rendition is not quite as clean as your typical digital camera. However, for its intended function, price, and compactness, it serves the purpose well enough. I have read that some other digital microscope manufacturers fudge the actual resolution of the sensor by claiming the extrapolated image size. I do not believe that is the case, here. It appears that the actual sensor resolution is 1600x1200, or 1.9 megapixels, although I have not dug very deeply to verify that.

In summary, it is a nice little microscope with adequate software and a poor stand. If you could buy it with a sturdy knob-adjustable stand, I'd recommend that.

Using it for school projects. Amazing clarity picture. Software was a little tricky. Downloaded newest software and everything works great.

Buy Supereyes B003+ 2.0MP 0.1~300X Handheld USB Digital Microscope Endoscope Loupe Otoscope Magnifier w Now

This thing is a great close up camera.

It has an incredible focus range.

Easy to use without any effort to set it up on my computer.

Like the assortment of attachments.

Read Best Reviews of Supereyes B003+ 2.0MP 0.1~300X Handheld USB Digital Microscope Endoscope Loupe Otoscope Magnifier w Here

I bought DrMeter's microscope but didn't work on my mac.

Therefore, I return the item and bought suspereye's microscope which is absolutely the same product with this.

I was worried.

But! this time, it worked on my mac.

Mac recognized the usb microscope right after I plugged in.

I used photo booth to use the microscope.

You can have a bunch of attachments depends on how you want to use.

I like one I can see inside ear.

Very small like a pen, you can adjust the light as well.

But the software was not recognized by mac.

Actually it is fine because you can used photo booth.

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USB has malfunctioned and no longer properly stays connected. I have only used it moderately for less than 3 months. It's a shame because it was a handy device while it worked.