Expo disc ... Yes or No?
- Thread starter dwb11
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They look interesting but to be honest they're an absolute rip off for what they are
wyx087
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I had similar thought last week, looked into this and decided a lens cap is worth a punt. So ordered a "White Balance Lens Cap" for a fiver.
Had a very quick play last night and seems to do the job for my ceiling lighting. gave 2600k for WB while AutoWB gives 3800k, I personally think 2800k is correct. Need to test it more to see what it's really like.
Had a very quick play last night and seems to do the job for my ceiling lighting. gave 2600k for WB while AutoWB gives 3800k, I personally think 2800k is correct. Need to test it more to see what it's really like.
Jan K.
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Have a look at a DIY solution:
http://www.flickr.com/groups/diyphotographynet/discuss/72157603931692288/
http://www.wikihow.com/Make-a-Coffee-Filter-'ExpoDisc'
http://www.flickr.com/groups/diyphotographynet/discuss/72157603931692288/
http://www.wikihow.com/Make-a-Coffee-Filter-'ExpoDisc'
HoppyUK
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No.
PJ S
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Got one of these recently - http://www.ebay.co.uk/itm/200912694952 - very pleased with initial test results.
http://www.youtube.com/watch?v=I-EEBIG3oo4
http://www.youtube.com/watch?v=I-EEBIG3oo4
Pookeyhead
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Just use a grey card. Besides... if you shoot RAW it makes little difference. You can adjust white balance fully post process.
I just take a frame with the grey card in shot at the start of each session and white balance off that and batch the whole session with that as a reference.
I just take a frame with the grey card in shot at the start of each session and white balance off that and batch the whole session with that as a reference.
robinsslee
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As David above, probably grey card is the best bang ... I had one but sold recently due to rarely use as I have change my photo subject. Plus if I were to do portraits I always use flash so by setting the white balance to flash and took a picture of grey card as reference will be helpful in PP later.
Richard King
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This
Even better, use a x-rite colour passport, and create a colour profile for your camera in the lighting conditions at the time. They have a range of grey patches for neutral / warm/ cool adjustments
robinsslee
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markmullen
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Another vote for Colorchecker passport, I wouldn't be without it now, it is small, durable, works a treat.
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Some of my fav shots have the WB all over the place, it's not always a bad thing 
If you have to have it more correct as already mentioned below, shoot a ref shot before and as lighting changes.
If you have to have it more correct as already mentioned below, shoot a ref shot before and as lighting changes.