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Filter To Correct Orange Effect...  
User currently offlineS.p.a.s. From Liechtenstein, joined Mar 2001, 967 posts, RR: 2
Posted (11 years 3 months 4 weeks 8 hours ago) and read 1305 times:

Hi folks...

Some airports don´t have white tarmac lamps but yellow/orange ones leading to some results I personally don´t like, i.e.


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Photo © Micheil Keegan



I know of a filter which reduces this yellish hue..but don´t know it´s code...anyone there could shed some (white..) light on this?

Thanks

Renato


"ad astra per aspera"
5 replies: All unread, jump to last
 
User currently offlineJeffM From United States of America, joined May 2005, 3266 posts, RR: 51
Reply 1, posted (11 years 3 months 4 weeks 8 hours ago) and read 1300 times:

Renato,
Not an issue if you shoot digital. Just set a custom white balance. For film, you will need to find out the temperature of those lights.

Jeff


User currently offlineS.p.a.s. From Liechtenstein, joined Mar 2001, 967 posts, RR: 2
Reply 2, posted (11 years 3 months 4 weeks 7 hours ago) and read 1298 times:

Thanks so far Jeff...and I´m (still) making film...


"ad astra per aspera"
User currently offlinePhotopilot From Canada, joined Jul 2002, 2824 posts, RR: 18
Reply 3, posted (11 years 3 months 4 weeks 5 hours ago) and read 1288 times:

For color correction from 3200K Tungsten lighting to Daylight balance film (5200K) you need to use an 80B filter. There is also an 80A and an 80C which are slightly lighter and darker respectively.

You must also be aware that some airports are using a Sodium Vapour type lighting (which also looks yellow) for economical reasons, but this Sodium lighting is almost impossible to filter correctly because of it's very narrow light spectrum.

Basically, to eliminate yellow cast, you need to add either Blue or Cyan filtration. A color temperature meter which also gives color correction factors is the only real way to get accurate results with film. Of course if you have the meter, you also need a box full of CC filters to use with the readings.

Good luck
Steve


User currently offlineS.p.a.s. From Liechtenstein, joined Mar 2001, 967 posts, RR: 2
Reply 4, posted (11 years 3 months 3 weeks 5 days 19 hours ago) and read 1248 times:

Hi Steve..

Thanks for the valuable information mate... Will take a closer look on those 80´s series filters

Rgds

Renato



"ad astra per aspera"
User currently offlineMas a330 From , joined Dec 1969, posts, RR:
Reply 5, posted (11 years 3 months 3 weeks 5 days 17 hours ago) and read 1233 times:

I changed the colour balance of the photo above to about 9300K and got quite good result.

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