Rocks at sunrise

Today a HDR photo taken during sunrise on Fuerteventura. I decided to put some rocks in foreground to add interest to this otherwise rather boring scene.

Technical details:
Camera: Canon 5D MK II
Lens: Canon 24-105 f/4 L IS USM
Focal length: 40 mm
Aperture: f/18.0
Exposure time: 5 s ("middle" exposure)
ISO: 100
Number of exposures: 5
 E.V. Step: 1.5 EV
Flash used: no
Tripod: yes
Filters: neutral density ND8 filter
Software: Magic Lantern 2.3, Photomatix Pro, Lightroom 5.0, Photoshop CC