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  • Good magnifier, but is it 6×?

    posted by Vector4 on 07/31/2011
    0 0

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:

    The magnifier has 6 LEDs on the periphery, so, unlike the traditional one-lamp-lighted loupes, it evenly distributes light over the object that you are trying to view. That's especially helpful when viewing a flat object, such as a book page. The LEDs provide soft light that won't blind you if accidentally reflected off something. The light's intensity seems to be just right with a pair of NiMH batteries. The grip is convenient. The switch is placed in just the right place to be operated with the thumb without having to look for it.

    Cons:

    * The battery compartment is too easy to open accidentally.
    * The box claims 6× magnification, DX claims 4× magnification, but it actually magnifies only about 1.7 times before going out of focus.
    * Larger than it needs to be.
    * No cover to keep the dust off. A faux-leather pouch would have been great.

    OtherThoughts:

    Apparently, the manufacturer listened to the reviewers and changed resistor values. The resistor that's constantly in series with the diodes is 5.1 Ohm ±5%, and the dimming one is 10 Ohm ±5%. Basically, the low brightness setting is not much different than the maximum, but that's not really a con.

    Bottomline:

    This is a good large magnifier, with heavy glass lens of fair quality. It works well and the light is convenient. Just don't expect it to have a 200lm throw or to be able to see atoms. There are more specialized devices for those purposes.

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