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    Battery compartment too wide II: Battery compartment too long, too.

    Hi, me again. I got a new laser, but the battery compartment is too wide. and too long. it's gotten so bad that the laser frequently cuts out, I tried stuffing a small bit of aluminum foil into the cap, just enough so that it stops cutting out, and that seems to have crushed the spring a little...
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    Battery compartment too wide

    My battery compartment is too wide, making the batteries rattle around A LOT. to most people this wound be fine but I have mild OCD, making it intolerable. I'm thinking of widening the batteries with tape. What do you suggest(as long as it doesn't involve taking the whole thing apart)?
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    Laser "TV static" effect?

    I've always noticed that laser light has a strange property to it. To see what I mean, hit a ice cube with a laser the ice cube should light up. notice how along with the light, a field of extremely tiny dots shows up. looks like tv static. I've always wondered what causes this effect, it seems...
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    Cleaning an IR filter without removing aperture?

    Hello, recently bought a laser, I got it, used it, now it has crap gathering on it's IR filter. I tried to google some guides on fixing this, but every single one had "remove the aperture" as the first step. I took pliers to the aperture, tried everything, then emailed the manufacturer. They...


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