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Thread: Over a stop more lighting for pennies . .

  1. #1

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    Over a stop more lighting for pennies . .

    Pardon me for posting trivial stuff here

    I often shoot small items for illustrative purposes right here at the computer desk under a single desk lamp with a 13W (actual) CFL in it. Long ago, the white plastic insert had already hardened, cracked, crumbled away - leaving the brown "bakelite"-colored shell as a dysfunctional reflector (brown light, anybody?).

    Recently I restored a Fender Champ guitar amplifier that had chromed bits that were rusty and definitely past polishing. So, I bought some chrome-finish spray paint which worked quite well.

    Today, there was a tiny "click" in my brain and off I went to fetch the said spray can.

    Before, at 14" from the lamp: 440 lux.
    After, at the same distance: 935 lux.

    Log2(935/440) = 1.1 stops . . not bad, eh?

    Over a stop more lighting for pennies . .

    Background, FYI, Singer Gazelle, Rover 100 and a good serving of Sigma green/magenta blotching . . .
    Last edited by xpatUSA; 10th January 2015 at 05:40 PM.

  2. #2

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    wm c boyer

    Re: Over a stop more lighting for pennies . .

    You spray painted something...what. I'm lost here.

  3. #3

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    Re: Over a stop more lighting for pennies . .

    Quote Originally Posted by chauncey View Post
    You spray painted something...what. I'm lost here.
    Here y'are:

    Over a stop more lighting for pennies . .

  4. #4
    Moderator Manfred M's Avatar
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    Manfred Mueller

    Re: Over a stop more lighting for pennies . .

    Had you used white paint, you would have ended up with a nice diffuse light source at a cost of a touch less light.

  5. #5

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    Re: Over a stop more lighting for pennies . .

    Quote Originally Posted by GrumpyDiver View Post
    Had you used white paint, you would have ended up with a nice diffuse light source at a cost of a touch less light.
    Indeed, Manfred.

    Fortunately, I managed to mottle the surface a lot and get a few runs into the bargain, so that might help

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