首先解释HDR（High Dynamic Range），高动态范围。我们知道，一台相机能捕捉到的画面，其动态范围是有限的，即，高光和暗部无法同时清楚显示。因此我们可以拍摄多张不同动态范围的照片进行合成，得到HDR的结果。以上是通俗说法，科学说明传送门在此。
话不多说，HDR的惊艳效果请参看以下范例：
A Back-lit Nebraska Storm
Image by Mike Olbinski
Golden Delight – Clifton Springs, Australia
Image by Danka Dear
The Taj Mahal – India
Image by Trey Ratcliff
Christmas Night Snowfall – Monte Berico, Vicenza
Image by Augusto Mia Battablia
A Long Sunset in the Emerald City – Chicago, Illinois
Image by Justin Kern
The Workstation – Lawrence, Massachusetts
Image by Bob Lussier
Tugboats in the Snow – Portsmouth New Hampshire
Image by Philip Cohen
After the Storm – Dubai, United Arab Emerits
Image by Catalin Marin
Flagstaff Lake Sunrise – Maine
Image by Rob Hanson
Colorado Ball0on Classic – Colorado
Image by Chris Coleman