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    Lens, biconcave, 50mm dia, 25cm F/L

    Lens, biconcave, 50mm dia, 25cm F/L

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    Item code
    HL031601
    Lens, biconcave, 50mm dia, 25cm F/L
    $3.50 $3.85
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    main product photo
    Made of polished glass with ground edges.
    Bi-Concave lens: Used for reducing the size or spreading out light, with two inward curving symmetrical faces.