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  • 24/09/2021

    I calculated max zoom options using a copper wire of 0.59mm dia and min distance from object 10mm where is focus limit. At max analog zoom dimension of wire dia was 48mm with no distortion at HD resolution and result is 81,5 max analog zoom. Max digital zoom was measured around 180 but it distorts object's aspect ratio so it's not advised. Excellent for soldering SMD parts with 12-15 zoom in at 7cm distance between object & microscope head where leds illumination is sufficient with approx 10 degrees declination from vertical axe with +1 resolution. Just shave less than a 1mm of bottom surface of m-USB connector or use another one thicker and also resolution and screen are just fine and works flawlessly. In headlines a descent up to 80 analog zoom camera/magnifier using 7 inch screen , highly recommended for working with SMD parts and micro machines but nothing to do with a real microscope of declared 1200 magnification that's why it gets 4 stars.

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  • 22/07/2021

    When it arrived the bolt that locks the column angle was so tight I was afraid to torque it enough to loosen it. It took a week to get that sorted out with BG. So now I am making my own lever knob for that hex headed screw! As an engineer I detest sloppy, uncaring design. The USB power cable is very hard to plug in, and my uSD card is very hard to remove, both AFAICT because the plastic case design simply fails to properly position the internals. Silly stuff that it costs no more to get right! The manual tells you everything about how wonderful it is, but essentially nothing about how to work it. The illumination brightness adjuster gets not one mention. So it took 30 minutes to get the hang of the controls. I was also amazed to receive a EU wall wart plus an EU to AU mains adaptor, given China uses the same mains plug as Australia. Once I got all the silly stuff sorted, I got some good view and pictures. ... and, ahem, this page won't accept the JPG files it produces. I have to rename them jpg So, four, not 5 stars because of design sillies. But for the money still good value.

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