Archived posting to the Leica Users Group, 2002/02/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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) > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html __________________________________________________ Do You Yahoo!? Yahoo! Greetings - Send FREE e-cards for every occasion! http://greetings.yahoo.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html