I use microscopes to identify parasites. This scope doesn't stay focused for more than a second, leaving you unable to identify the vermin. The light under the film is not bright enough to illuminate the film or items on it. Even the "sample" slides they send with the device are fuzzy. In general, this is a rather weak unit. I would have sent it back but the box was destroyed before we could check the scope. Don't worry, it's not even worth it for a kid.
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