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    1 Product
    About Brightness and Light Appearance
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    Find the right lumen level to brighten your space. Then, compare the way warm, neutral, and cool lighting affect the appearance of everyday objects.

    Prefocus-Base Miniature Light Bulbs

    Image of Product. Front orientation. Light Bulbs. Prefocus-Base Miniature Light Bulbs.
    Often used as the light source in microscopes, inspection instruments, and industrial testing equipment. A prefocus collar fixes the bulb in place for accurate beam focus. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
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    Double Contact—P15d Candelabra Base (0.59" Dia.)
     
    Tapered Bulb
    16306.5V AC/6.5V DC17.9 W289 lmHorizontalIncandescent100 hr.Clear2"1"GlassS81505K6200000
    Miniature Light Bulb, Prefocus Base, Trade Number 1630, 6.5V, 17.9W
    EachIn stock
     
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