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    Monoprice 1/3 Inch 3-9mm IR F1.2 Varifocal DC Iris CS Mount Lens W/IR Correction
    Product # 7547
    Out of Stock ETA: TBD


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    Model Line IR Varifocal Lens
    Model# TP0309VD IR
    PID# 7547
    Focal Length 3 - 9mm
    Aperture F/1.2
    Mount Type CS
    Format 1/3"
    Dimensions W30xH40xL41mm
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    3.0 / 5.0
    2 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Star
    Not bad lenses for IR Cameras
    I bought several replacement 1080 security cameras recently, and attempted to use lenses from the old cameras.

    Unfortunately, the new cameras are IR sensitive and the old ones aren't. The result is that daylight scenes that were perfectly focused went completely out of focus at night.

    I searched for IR lenses and stumbled on these. Based on their price, I was a little skeptical that they could be any good, but actually, they are, and solved my out-of-focus problem immediately.

    They don't have a lot of zoom range, but they perfectly served my needs.
    August 4, 2017
    1 year ago
    Not Good
    Tried these lenses with PID 6684 (MUS-940 a good little camera) although they never seemed to focus with sufficient detail. Popped a $70 Computar TZ3510 CS-IR 3-9mm and it shows the problem is the lens not the camera. I have two of these that will be going back.

    PROS: Price...although you get what you pay for.

    CONS: Image Quality, lack of focus detail (plenty of light)
    March 5, 2011