David Briard's photostream Pro User

Technical details: Pentax K-5, 70mm lens, 10 sec. @ ƒ/5.6, ISO 80, 7 vertical frames stitched

Technical details: Pentax K-5, Sigma 17-70mm lens @ 58mm, 2.5 sec. @ ƒ/8, ISO 80, Lee 0.9 ND, 7 vertical frames stitched

Technical details: Pentax K-5, 12-24mm lens @ 14mm, 20 sec. @ ƒ/11, ISO 80.

Technical details: Pentax K-5, 17-70mm lens @ 45mm, 3 sec. @ ƒ/11, ISO 80, 10 vertical frames stitched.

Technical details: Pentax K-5, 12-24mm lens @ 15mm, 30 sec. @ ƒ/8, ISO 80, 0.9 ND grad (soft) and polarising filter.