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Thread: Is there a way to calculate how much light I will need?

  1. #21

    Join Date
    Dec 2000
    Location
    Tonopah, Nevada, USA
    Posts
    6,334

    Re: Is there a way to calculate how much light I will need?

    Quote Originally Posted by Dan Fromm View Post
    Jimbo, how did you know that my scanner also cooks? Scanner, printer, copier, rice steamer and electric fry pan.
    All the new imported models can barbecue too. Maybe time for an upgrade?

  2. #22

    Join Date
    Dec 2001
    Location
    NJ
    Posts
    8,470

    Re: Is there a way to calculate how much light I will need?

    Quote Originally Posted by Jim Galli View Post
    All the new imported models can barbecue too. Maybe time for an upgrade?
    I dunno, Jim. I usually do ribs in the oven. My Texan son-in-law is appalled but mine are more consistent than his 'cos my oven is more consistent than he is. And then there are stove top ribs and barbacoa. The electric fry pan comes in handy for stove top ribs. Barbacoa -- with cheek meat, naturally -- needs a stove, a skillet won't do for it.

  3. #23
    John Olsen
    Join Date
    Jan 2012
    Location
    Madison, WI
    Posts
    1,097

    Re: Is there a way to calculate how much light I will need?

    No problem with flash. Just use the Guide Number for your flash and place on the flash head being close to the egg. For example, with one #102 head on a 2400 Ws Black Line Speedotron the Guide number is 540. That's in feet and for 100 ISO. Place the head at 1 foot distance and you can shoot at f540 on 100 ISO film. For 50 ISO, you open up one stop to f385. For 5 stops of bellows extension you open further to f68. Plenty of light to spare, you can probably dial down to half power or less for f32 at 125th.

    After a couple of pops, it should be ready to eat.

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