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Old Sep 1, 2007, 10:05 PM   #1
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I am using a K10D with a Pentax Af-540FGZ flash. I have tried two different lenses

Sigma - 10-20
Tamron - 24-135

My problem is I need more light on both sides of this flash. The light from the flash is not wide enough on both sides of some large rooms I have to take photos of. I also had the same problem at a dance, only a few couples were covered with this flash. It seems to me that I almost need 3 of these flashes or I need to cover that much area.

Ideas & Suggestions are appriciated.

Thanks in advance

TOTALLY WACKY roger
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Old Sep 1, 2007, 11:58 PM   #2
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Hi Roger,

I don't have anything as wide as the 10-17, but for my Sig 17-70 at 17mm, I have found that using a flash modifier helps considerably. I almost always use a Demb bouncer/diffuser, but also have a lightsphere and a Stofen Omnibounce, and they all spread the light adequately for the 17-70. In a pinch, the little flip down diffuser panel on the flash head works, but not as well as the accessory diffusers.

Scott
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Old Sep 2, 2007, 12:14 PM   #3
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I have a 10-20mm Sigma lens and use a stofen omnibounce and have not had any issues with the light not being wide enough.
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Old Sep 2, 2007, 2:06 PM   #4
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Roger, sorry but I'm definitely still learning lighting aspects.

My question is for Scott...what flash are you using with your lightsphere? I have a Sigma ef500st & contacted Gary Fong about getting 1 & they don't make one for my flash. I'm just considering finding a used flash & getting a lightshere for doing weddings & portraits. I really like the concept & it seems like an affordable alternative for getting flashes right.

Thanks,
Ron


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Old Sep 2, 2007, 2:35 PM   #5
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wadue wrote:
Quote:
Roger, sorry but I'm definitely still learning lighting aspects.

My question is for Scott...what flash are you using with your lightsphere? I have a Sigma ef500st & contacted Gary Fong about getting 1 & they don't make one for my flash. I'm just considering finding a used flash & getting a lightshere for doing weddings & portraits. I really like the concept & it seems like an affordable alternative for getting flashes right.

Thanks,
RonĀ*
Ron,

Definitely Gary Fong has it. Double check that. You should ask for Sigma model .Do not confuse them with Pentax as essentially it is a Sigma flash.

You may look at this one as well

http://cgi.ebay.ca/Lambency-Flash-Di...QQcmdZViewItem
I have the ST lower model as well and I am thinking about that too given it is a lot cheaper. Design wise it is really not a very sophisticated piece of accessory.

That is my input

Daniel
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Old Sep 2, 2007, 6:11 PM   #6
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wadue wrote:
Quote:
Roger, sorry but I'm definitely still learning lighting aspects.

My question is for Scott...what flash are you using with your lightsphere? I have a Sigma ef500st & contacted Gary Fong about getting 1 & they don't make one for my flash. I'm just considering finding a used flash & getting a lightshere for doing weddings & portraits. I really like the concept & it seems like an affordable alternative for getting flashes right.
Hi Ron,

I use the LS with the AF 500 FTZ for which it's a tiny bit loose, the AF360 FGZ, which has to be pushed into the inside baffle (you want a tight fit, or else it'll keep falling off -- a little electricians tape does wonders if it's just a little loose), and the AF 540FGZ, for which it's a nice tight fit. The head dimensions of the 540FGZ are: 2.75" x 1.75". I have the P2 sized LS.

The unit that Daniel posted looks like a pretty close knock off, and less than 1/3 of the price of the original.

Another very good alternative is the Demb bouncer/ diffuser. It's very close to the LS in results, is more versatile (the bounce card adds to the useable distance, especially when you don't have a reasonably low ceiling), is very light and compact folded up (fits in a pocket), and fits any sized head. I find myself using the Demb almost all the time because I carry it in the bag all the time. The weight of the LS sometimes makes the head flop on the 540 -- the detents aren't that strong. . .


Scott
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