blackest wrote:
Hi all,
I picked up yesterday a 160 daylight balanced led panel and it's not too bad power wise.
I have a few flash modifiers and some bowens S type adapters and some actually will take the panel more or less.
There are many variations available from around $20 upwards (at this price you don't get a battery or a charger or a case). They can run of 6 AA batteries or a Sony F series battery. Some even have infrared remote controls.
They are also very light in weight so not the hardest thing to carry around.
with the little 160 Led Panel I have i managed 1/60th at F1.7 and with a white umbrella about 1/30th both at ISO 200 and a distance of around 3 feet. Granted this isn't a flash gun but with my camera able to shoot pretty much noise free at 3200 iso thats around 4 stops available.
Interesting little lights, very portable and they won't break the bank.
What do you think?
Hi all, br br I picked up yesterday a 160 dayligh... (
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Continuous lights have many advantages over flash, but unfortunately, white LEDs do not
product continuous-spectrum light. Moreover, there is tremendous variation in the quality
of the light produced by different white LEDs.
White LEDs work similarly to fluorescent tubes: the light you see is emitted by a
combination of phosphors. Therefore, they have a similar range of color reproduction
quality to floursecent lights: from terrible to pretty good.
The difference is the source of the light: a low-pressure mercury vapor lamp vs. a UV LED.
Any RGB triangle will give you "white" -- but the light can be made up of three very
narrow bands. Any substance that does not reflect light from those bands will appear
black.
Check the Color Reproduction Index (CRI) for the to get an idea of how much of the visible
specturm is present. Sunlight or incandescent light is continous spectrum: CRI of 100.
Under a sodium vapor streetlight--which has negative CRI!--there are only two colors:
yellow and black. There's no "fix-it-in-PhotoSlop" for that!
A new index, the Extended CRI, is an even better measure. But even a light with an ECRI of 99
can make a bad photo if you get unlucky and one of the colors in your subject happens to fall
into the narrow band(s) that are missing from the light.
This helps to explain why for 180 years photographers relied on sunlight, flash powder,
photo floods and xenon flash -- all continuous spectrum. With any light that is not continuous
spectrum -- no matter how good or how long you've been using it-- you can never be sure that
the next subject you photograph won't contain a color that is missing from the light.
LED lighting was first tried in TV studios, where hot liights are a big problem.
Unfortunately, it was a disaster. Dozens of TV studios put them in, then tore them out.
LED lighting was not yet ready prime time!
Technology is extremely good at providing inferior substitutes: a replacement that is cheap,
convenient and
almost as good as what it replaces. From plastic lens to TV Dinners
to LED lights. such "innovations" are always greeted with great enthusiam followed shortly
by equally great disappointment and rejection. The truth lies somewhere in the middle.