Скачать или смотреть Source SDK - HDR

HDR makes levels look slightly better, though I must warn you, enabling HDR will...

SLOW DOWN old PCs
Make people moan that they can't turn it off even though there's an option in the video settings of the game to do just that
*Double the time it takes to render the lighting in your levels
*Double the size of your map. So don't make a massive island with HDR (Like I have!). 30 mb takes a long time to download.
*Cause most people to turn it off because it's hard to see with HDR on. Try playing Nuke with it on to see.

If you still want to use it, follow this tutorial and all should be fine. As usual, make sure there aren't any holes in your skybox and all should go with out a problem.

Check out my channels:
● 3kliksphilip:    / 3kliksphilip  
● 2kliksphilip:    / 2kliksphilip  
● kliksphilip:    / kliksphilip  

Other information you might like:
● Website: http://3kliksphilip.com
● Twitter:   / 3kliksphilip  
● PC Specs: Intel 6300 @ 2.6 Ghz, 8 GB RAM, Geforce 8800 GTS 640 MB.