a droite ou a gauche ce diedre ?

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• Author(s):
  Olive 65.
• Picture type (license):
  personal picture (CC-by-nc-nd)
• Picture's license:
  Creative Commons CC-by-nc-nd
• Date time:
  2011-09-17 11:01:25
• Activities:
• Camera:
  Panasonic DMC-FX12
• Focal distance:
  5.8mm
• Aperture:
  F/8.0
• Exposure:
  1/159s
• Sensitivity:
  100 ISO
• Code for inserting the picture in the guidebook:
• Code for inserting a picture in the forum:

• Aiguille de Roc : Subtilités Dülfériennes

• Mont Blanc