Road through the valley

Yet another photo of a road leading through the valley. The light in this case was very extreme. The shadows in foreground were really really dark and the highlights in the sky were extremely bright. For that reason I captured 7 exposures at 1.5 EV spacing.

Technical details:
Camera: Canon 5D MK III
Lens: Canon 24-105 f/4 L IS USM
Focal length: 28 mm
Aperture: f/14.0
Exposure time: 1/200 s ("middle" exposure)
ISO: 100
Number of exposures: 7
E.V. Step: 1.5
Flash used: no
Tripod: yes
Filters: circular polarizing filter
Technique: manual blending, luminosity masks
Software: Magic Lantern 2.3, Lightroom 5.0, Photoshop CC