Uploaded October 2025 | Updated September 2026, 1 hour ago
Join leading landscape photographer and Sigma Ambassador Joe Cornish as he discusses the relationship between viewpoint, perspective and focal length, and how they impact lens choice and composition. Joe uses three lenses, from ultra-wide to standard, to find out the effect they have on his images. A must-watch for anyone wanting to experiment with different focal lengths, or anyone in the market for a new landscape lens.
Lenses used by Joe in this video:
Sigma 17mm F4 DG
Sigma 28–45mm F1.8 DG DN A
Sigma 50mm F2 DG
Join leading landscape photographer and Sigma Ambassador Joe Cornish as he discusses the relationship between viewpoint, perspective and focal length, and how they impact lens choice and composition. Joe uses three lenses, from ultra-wide to standard, to find out the effect they have on his images. A must-watch for anyone wanting to experiment with different focal lengths, or anyone in the market for a new landscape lens.
Lenses used by Joe in this video:
Sigma 17mm F4 DG
Sigma 28–45mm F1.8 DG DN A
Sigma 50mm F2 DG










