DX » Community » Reviews » 18mm Acrylic Semi Convex Lens (10-Pack)
Customer’s impression:
ticker convex lens good replacements for flashlights good optical quality
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  • posted byale021 on 01/11/2018

    Impression:good replacements for flashlights,ticker convex lens;

    Pros: these are a good replacements for SK58 flashlights lens,just a bit hard to put them inside the cap,but these lens are clean and convenients .

    Classic Convex Lens

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  • posted byDrJones on 04/08/2016

    Impression:good optical quality;

    Back focal length 15mm, effective focal length about 20mm (due to thickness) Pro: These have a quite good optical quality, i.e. quite low spherical aberrations, for a plastic lens of this price. I'm actually quite impressed. Con: Quite thick, might be a bit more difficult to use. Bigger con: All... Read more

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