Archived posting to the Leica Users Group, 2002/02/27

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Subject: Re: [Leica] Artificial light shooting
From: Henry Ting <henryting10@yahoo.com>
Date: Wed, 27 Feb 2002 16:05:33 -0800 (PST)

Wow !!!! Who says being a sports photographer is easy.

- --- DRP <Didier.Roubinet@wanadoo.fr> wrote:
> le 27/02/02 21:31, Henry Ting à
> henryting10@yahoo.com a écrit :
> 
> > 
> > Question on artificial lighting.
> > Take for example a night game of basketball,
> baseball,
> > or horse-racing, is there a definitive way to tell
> > whether its tungsten lighting, mercury lighting or
> > otherwise without having a color-temperature meter
> ?
> 
> 
> > Can I assume that these lightings are close to
> 3200K ?
> Absolutely not
> 
> Basically there are two families:
> "warm" yellowish" tungsten lighting just has not
> enough power to light big
> sport areas. You will find it in theaters, music
> halls or so.
> "cold" white/greenish/blue lights are for big areas.
> 
> We won't speak about orange monochromatic iodure
> lighting...
> 
> In Europe, sport lighting is often made for TV with
> HMI (high temperature
> metal iodure or so)  lighting close to daylight.
> 
> Mercury and fluorescent lighting seem often close to
> daylight but with a non
> continuous spectrum which often gives a green cast.
> Here is the real pb, and
> the only way to measure it is a thermocolorimeter.
> They are as many
> filtering combos as lighting manufacturers (filters
> on a magenta basis,
> Kodak CC30M is often a good starting point). Be
> aware you will loose from
> one half to one and a half stop.
> 
> To my personal opinion, filters are useful mainly
> for reversal.
> Please consider that modern negatives are less
> sensitive to color
> temperature.
> For fluorescent/mercury lighting, "Reala type" Fuji
> negatives like "4th
> layer" Superia can easily be corrected by the labs
> during the printing
> process (don't forget to tell them). For night
> sports photography an "XTRA"
> or "SUPERIA" 800 (only the commercial name changes)
> will probably be the
> best. But never underexpose!
> 
> Hope it helps.
> 
> 
> Best regards.
> 
> Didier (Paris)
> 
> --
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