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A question about lighting

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Jennie&Iron

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Mar 11, 1999, 3:00:00 AM3/11/99
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Hi there,
What is the advantage of using a higher power studio strobe?
Would I get a better picture from that?

I currently own two 150WS studio strobes and they have served me well so
far.
What magic could those 1000WS studio lights do?

Thanks


pat jerina

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Mar 11, 1999, 3:00:00 AM3/11/99
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1. More power mean more depth of field. How many times has something
come up when you wish you had more DOF.
2. More film versatility. You can use slower speed films with the
added punch the strobes would give you.
3. The use of multiple heads. Usually when you use more than one head
out of one pack, it will bring down the power out of your main light.
With more power, you can use two heads and have DOF to mess with.
4. It is better to be over powered than under powered. When one has
too much power, you can dial down a pack or use ND filters/gels to get
the proper exposure.


-- pat jerina photography
dallas, tx
972.320.5143 voicemail / pager
214.696.1759 fax
http://www.flash.net/~pjerina


Doug Dreger

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Mar 11, 1999, 3:00:00 AM3/11/99
to pje...@flash.net
Pat's 4 points are all good ones . . . here's a fifth: high output provides
enough
light to "fill the sails" of a nice big softbox. If you've got the space, a
4-foot
by 6-foot softbox provides full, even illumination of a full-body portrait
.. . . you
can then punch up certain areas of subject and backdrop, from a different
angle,
using other heads with umbrellas, honeycombs, snoots, etc, etc.

SPECTRUM

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Mar 11, 1999, 3:00:00 AM3/11/99
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besides Pats very valid points, I believe that you'll find color
reproduction to be more consistent with better quality lighting. Elinchrom
and White Lightening are the best as they tend to manage the duration of the
flash as well as the output.

Regards,

John S. Douglas Photographer and Webmaster
Darkroom formulas and facts. F.A.Q.'s Photo & computer links.
Professional portrait, bridal, stock and commercial photography.
WORLD FIELD PHOTOGRAPHERS ASSOCIATION

Jennie&Iron wrote in message ...

Len Cook

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Mar 11, 1999, 3:00:00 AM3/11/99
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At this point, more power won't do you any good at all. Photo equipment
is for solving problems. Your studio work does not yet present you with
problems your studio equipment can't handle. Your style and customers
may never demand more studio equipment. If it ain't broke, don't fix
it. If your style and/or customers change you may need to adapt your
studio equipment to the new work. Only at that point will you know what
kind of power and configuration you'll need.

Peter Madeley

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Mar 11, 1999, 3:00:00 AM3/11/99
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The message <dNGF2.4866$j4....@cabot.ops.attcanada.net>
from "Jennie&Iron" <ironf...@hotmail.com> contains these words:


> Hi there,
> What is the advantage of using a higher power studio strobe?
> Would I get a better picture from that?

> I currently own two 150WS studio strobes and they have served me well so
> far.
> What magic could those 1000WS studio lights do?

> Thanks

More power - smaller aperture - greater depth of field.
Higher powered flash will also allow reasonably small apertures when
accessories (brollies, softboxes, grids, snoots etc) are used. You
can put your lights further from your subject. OTOH they do cost more
money, but you get what you pay for and quality gear tends to cost
more. Only you can make the decision whether you would benefit from
the outlay. Of course you can keep your 150ws lights for rims, back
and hair lights.

--
Peter (DPS Design & Photography Services)
Treat every day as if it were your last
'Cos one day you'll be right

Regards and happy shooting


Scott Gustafson

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Mar 11, 1999, 3:00:00 AM3/11/99
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In article <dNGF2.4866$j4....@cabot.ops.attcanada.net>, "Jennie&Iron" <ironf...@hotmail.com> wrote:
> What is the advantage of using a higher power studio strobe?

For a single person portrait I find that I don't really need all the power
my lights can produce and I end up turning the power way down and adding
ND gels. The few times I used full power (2400Ws) was when I needed to light
a large group of people in a big room. And another use was to bleach an non-
white background to white by blasting it with light. Also if you get strobes
and not monolights, then you can get second lower-power power supply so you
don't have to put on the ND filters all the time for single person shots.

As another person mentioned, you also can use other films if you have strong
lights and I would agree. I use Kodachrome 25 and Technical Pan 25 all the
time in the studio.

> Would I get a better picture from that?

That I think is totally subjective. I would recommend going to the local pro
rental shop and renting a few of the lights you are thinking about getting.
Take them to your studio and try them out in your environment with your
favorite film and model. Then you can decide if you think they are worth
the money for the types of photographs you are making.

Later,
scott
--
The opinions expressed here are not the opinions of Seiko EPSON or
any other EPSON affiliate.

Jerry Hammond

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Mar 11, 1999, 3:00:00 AM3/11/99
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[This followup was posted to rec.photo.technique.people and a copy was
sent to the cited author.]

Scott,

You're using a 2400ws pack, right? If so, does equal 600ws per head? Or
are you using a six-banger and getting 400ws per head?

Best,
Jerry
-------------------------------------------------------------------------
In article <scottg-1103...@sgustafson1.erc.epson.com>,
sco...@erc.epson.com says...

Scott Gustafson

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Mar 11, 1999, 3:00:00 AM3/11/99
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In article <MPG.1151cc7ce...@news.accessnv.com>, jer...@anv.net (Jerry Hammond) wrote:
> You're using a 2400ws pack, right?

Yes.

> If so, does equal 600ws per head?

You can ratio the output in all kinds of combinations. If I want 600Ws to 4
heads I combine all 3 channels at full power. If I want 2400Ws to a single
head I do the same thing, just plug in one head instead of four.

You can also do pretty much any other combination that you want to distribute
the power. Here are just a few of the combinations.

heads power
1 2400Ws
2 1200Ws + 1200Ws
3 1200Ws + 800Ws + 400Ws
4 1200Ws + 800Ws + 200Ws + 200Ws
3 1200Ws + 600Ws + 600Ws
2 2000Ws + 400Ws
3 1000Ws + 1000Ws + 400Ws

Then you can also adjust the main power by -2 stops and each channel by -3
stops.

> Or are you using a six-banger and getting 400ws per head?

Nope, my Speedotron 2405CX only has four outlets. You can get a 6 outlet model
if you really want or their bigger 4800 model. Or if you want less power you
can get a 1200 which you can divide up just as easily.

For followups to this please use email or rec.photo.equipment.misc.

Jennie&Iron

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Mar 12, 1999, 3:00:00 AM3/12/99
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Thanks to all of you.
Very pratical and useful comment!

Iron


zeitgeist

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Mar 12, 1999, 3:00:00 AM3/12/99
to Jennie&Iron
Jennie&Iron wrote:
>
> Hi there,

> What is the advantage of using a higher power studio strobe?
> Would I get a better picture from that?
>
> I currently own two 150WS studio strobes and they have served me well so
> far.
> What magic could those 1000WS studio lights do?

You don't, in fact the strobes I had were fustrating in that I only had
full and half power to a head, 125 or 62 ws and that was often too much.

However, for today's softboxes, and for my wall of light you need a lot
of power to bounce off the walls via a translucent umbrella and a full
length translucent curtain about 12 feet long. I have all four, well
three now, heads going.

High key set ups need lots of light for a good white wash and a decent
f/stop,

The important thing to working pros is consistant power, to shoot a roll
and have a consistant exposure. Some volume studios have their fill
light power packs on a voltage regulator.

Mel1wood1

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Mar 13, 1999, 3:00:00 AM3/13/99
to
In article <199903111...@zetnet.co.uk>, Peter Madeley
<pet...@zetnet.co.uk> writes:

> Hi there,
>> What is the advantage of using a higher power studio strobe?
>> Would I get a better picture from that?
>
>> I currently own two 150WS studio strobes and they have served me well so
>> far.
>> What magic could those 1000WS studio lights do?
>

>> Thanks

You may also want to ask your self if you really require this addition power.
If you have no need for it, its a waste of money, my rule of thumb is to see
what the setup can do do with an ISO of like 100.... if you're getting good f
stops like 16 at a good distance, then you're not doing too badly.
I currently have a fairly high powered system and it's certainly NO fun
having to use neutral density filters to bring the light back down to a
managable range! It can be very time consuming and just a plain ol' pain in
the butt.
One other note, make certain that the reflectors with the system are able to
handle the power, because if not, you will have to also contend with
hotspots!!!! More power requires a larger reflector; an often overlooked
point.
mel

Len Cook

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Mar 13, 1999, 3:00:00 AM3/13/99
to
You made some good points, Mel, but I think you need to check your info
on the reflector size vs. power output theory.

Most flash units have provisions for more than one power output, and
none of them requires a change in reflectors to accommodate the new
power setting.

Hotspots are usually the result of a reflector shape or position which
is inappropriate for the flashtube in use.

Len

Mel1wood1 wrote:

SNIPPED SOME GOOD STUFF -- CHECK THE THREAD!!!!

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