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Kino Flo color temperatures

 
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Jaxon Bridge

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Since: Aug 25, 2003
Posts: 39



(Msg. 1) Posted: Mon Dec 15, 2003 12:27 pm
Post subject: Kino Flo color temperatures
Archived from groups: alt>movies>cinematography (more info?)

I see that KinoFlos are available in three temps:

2900 Kelvin
3200
5500

I just wanted to check -- I assume 3200 is for Tungsten film, and 5500
is for daylight film? And 2900 must be the temperature of normal
household lightbulbs?

Does anyone have experience with these Flos? Apparently they are not
hot so I assume they don't use up as much electricity (important when
working in regular households with old electricity and circuit
breakers). How much light to they give out comparable to normal
Tungsten wattage?

Jaxon

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Robert Morein

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Since: Nov 06, 2003
Posts: 141



(Msg. 2) Posted: Mon Dec 15, 2003 4:07 pm
Post subject: Re: Kino Flo color temperatures [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Jaxon Bridge" <jxbjxbjxb.DeleteThis@yahoo.com> wrote in message
news:4b5a4ee7.0312151227.20f16973@posting.google.com...
> I see that KinoFlos are available in three temps:
>
> 2900 Kelvin
> 3200
> 5500
>
> I just wanted to check -- I assume 3200 is for Tungsten film, and 5500
> is for daylight film? And 2900 must be the temperature of normal
> household lightbulbs?
>
> Does anyone have experience with these Flos? Apparently they are not
> hot so I assume they don't use up as much electricity (important when
> working in regular households with old electricity and circuit
> breakers). How much light to they give out comparable to normal
> Tungsten wattage?
>
> Jaxon

The actual light output of the tube is much higher than tungsten -- perhaps
10X.
But DP's complain they don't have much "throw", which is a way of saying
that because there are no highly directional fixtures for them, they are not
nearly as efficient as the light output indicates. Less of the total output
of the bulb lands on the source than with most other types of lights.

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Filmman35

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Since: Nov 22, 2003
Posts: 33



(Msg. 3) Posted: Mon Dec 15, 2003 11:12 pm
Post subject: Re: Kino Flo color temperatures [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

What Robert Morein say is correct. Because of the weak throw and cool operating
temperatures, these lights are good for special close space applications such
as lighting a car interior.

Richard
Fat, bearded cinematographer in LA
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MitchGross

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Since: Jul 03, 2003
Posts: 41



(Msg. 4) Posted: Tue Dec 16, 2003 7:08 am
Post subject: Re: Kino Flo color temperatures [Login to view extended thread Info.]
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Any soft source by nature has weak throw. Put a big diffusion panel in front
of a hard directional light and you'll have a softlight with fast drop off.

Kinos are great. A 4x4 (four bulbs that are each four feet long) uses 160
watts and puts out a considerable amount of light. The output of Kino bulbs is
essentially the same as any household or industrial fluorescent unit; the big
difference is an electronic ballast for no flicker and color-corrected bulbs.
Very useful and versatitle lights, but they can be large and unweidly in tight
spaces (that was a four foot long unit I was mentioning).

Mitch
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Robert Morein

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Since: Nov 06, 2003
Posts: 141



(Msg. 5) Posted: Tue Dec 16, 2003 12:42 pm
Post subject: Re: Kino Flo color temperatures [Login to view extended thread Info.]
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"MitchGross" <mitchgross.DeleteThis@aol.com> wrote in message
news:20031216020843.09540.00000946@mb-m17.aol.com...
> Any soft source by nature has weak throw. Put a big diffusion panel in
front
> of a hard directional light and you'll have a softlight with fast drop
off.
>
> Kinos are great. A 4x4 (four bulbs that are each four feet long) uses 160
> watts and puts out a considerable amount of light. The output of Kino
bulbs is
> essentially the same as any household or industrial fluorescent unit; the
big
> difference is an electronic ballast for no flicker and color-corrected
bulbs.
> Very useful and versatitle lights, but they can be large and unweidly in
tight
> spaces (that was a four foot long unit I was mentioning).
>
> Mitch

I have gotten the impression that some diffusion lights, such as the typical
softbox, retain a little directionality through the diffusion; hence the
impression that these lights have more "throw." Or perhaps the size and
shape of these simply make it easier to control the spread.
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