Complex sentence: HDR images can represent a greater range of luminance levels than can be achieved using more'traditional' methods, such as many real-world scenes containing very bright, direct sunlight to extreme shade, or very faint nebulae.
Split into simpler sentences: HDR images can represent a greater range of luminance levels than can be achieved using more'traditional' methods. Images such as those containing many real-world scenes, from very bright direct sunlight to extreme shade or very faint nebulae.