 Nadil khan |
Is 300 watt sec. of power reflected off an umbrell Is 300 watt sec. of power reflected off an umbrella enough to take full length group shots?
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Mark Feldstein |
Nope. Not even for a very very teeny teeny tiny little group, say a group of two. Your umbrella effectively reduces your 300 w/s to about 1/2 that and 150 W/s of light is about the amount of a single hairlight working off a pack system. 300 W.S. might be enough to shoot a headshot portrait without the modifier, i.e., the umbrella or even a softbox, if you don't mind working at about f3.5 or possibly 4.0 at iso 100. Take it light. Mark
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Nadil khan |
Thank you, I think am going to have to purchase more lighting
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Mark Feldstein |
If you're doing this type of work a lot, then sure, having some lighting with some real horsepower under the hood would be an asset to your shooting capabilities. My own preference for portraits is to use a single monolight (Bowens) that provides a maximum output of 1500 w/s. I use that in a Chimera 3x4 foot softbox with a plain white interior. With the softbox, its output is reduced to about 1000 w/s and let's me work at a distance from the subject of about 13-15 feet and between f11-f16 with ISO 250 film. Even two lights with an umbrella, each at 1000 w/s should be a huge improvement over what you've got. Take a look at monolights at bhphotovideo.com (My own preference is Bowens as I said) or Calumetphoto.com offers Traveler monolights that are made by Bowens under the Calumet label.
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