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| February 5th, 2007 11:24 PM | |  andreyG
Joined: Sep 19, 2006
Posts: 391 | HDR
My Hdr picture made a lot of questions, I am trying to answer them here. HDR - stays for high dinamic range, when you have much more then 4 permittted zones of light, like bright sun day with deep shadows, or sunset pictures, when you want to show bright sky and nice colors on the grounds. Prior to HDR - i did underexposed pictures and recovered them, or combined layers with different exposures, the results were nice, but it lead to increased graines or other defects, At first I did try HDR in CS2 PS (file-authomatic-HDR) on jpg files - the results were not better, or minimally better, and i did not do it any more, couple of days ago I did try to transform raw files to tif and combined those tif files in HDR - it was significantly different, no grains at all, excellent color gradation and nice details. It is very easy. you set the camera on a solid foundation, set it on bracketing with 1-1.5 f stops difference, do 3 pictures and HDR them in PS.Then you have to save it in regular format, your image is 32 bit - you can not work with this - in the box upstair - you choose 8 bit and safe it this way, only this file you can print and work with it. Interesting that 32 bit image - you can look on the HDR TV screen - it looks actually fantastick. The other program is Photomatix, I did not try it, but the opinions are different. Nice HDR tutorial - http://backingwinds.blogspot.com/2006/10/how-to-create-professional-hdr-images.html
and just remember - it is really easy. | | | [1] | | | February 7th, 2007 08:03 AM | | LVE
Joined: Aug 1, 2006
Posts: 827 | Thanks Andrey
You are at the head of the pack! I am going to look into this. | | | [1] | |
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