Generic listing of Sigma's 12-24mm ultra-wide — likely Mark I or II version for Nikon.
The Sigma 12-24mm f/4.5-5.6 DG HSM for Nikon F is a generic listing of Sigma's groundbreaking ultra-wide zoom — likely the Mark I (ID 4113) or Mark II (IDs 3426/3705). At 12mm on full frame, one of the widest rectilinear fields of view available. HSM quiet AF. Verify which generation before purchasing.
Same optical characteristics as the specific version identified. The 12mm wide end provides dramatic 122-degree rectilinear coverage. Sharpness good in the centre. HSM motor. Bulbous front — no standard filters. The Mark II improved over the Mark I. The 12-24mm f/4 Art is the dramatically improved successor to both.
Nikon F mount. Bulbous front element — no filters. Weight varies by version. HSM motor. Verify the specific generation — Mark I, Mark II, or other. The bulbous front element prevents standard filter use. The 12-24mm f/4 Art supersedes all versions with dramatically better optics.
Verify version before purchase. Check front element. Same ultra-wide coverage regardless of version. The Mark II is preferred over Mark I. The 12-24mm f/4 Art supersedes both. At low prices, either version provides budget ultra-wide full-frame coverage.