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Sigma A 20mm F/1.4 DG HSM Lens
For Nikon F Mount
Fixed focal-length. No zoom.
Rectilinear are normal lenses that show straight lines as straight lines.
No thread to mount front filters.
Autofocus LensLens Description
The Sigma A 20mm F/1.4 DG HSM is an ultra-wide prime designed for cameras with a Full-Frame sensor. This ultra-bright prime has a 20mm focal-length.
This prime lens focuses down to 28cm from the imaging plane, capturing subject with a maximum 0.14X magnification. The lens supports autofocus and features a switch to disengage AF for focusing manually. A Super-Sonic motor inside the lens delivers very fast and relatively quiet AF.
The lens weighs 950g.
This version of the lens has a Nikon F mount. It directly attaches and is fully compatible with all Nikon F mount cameras with Full-Frame or smaller sensors. Sigma also makes this lens for Canon EF, Sigma S, Sony E and Leica L mounts.
Focal-Range
Angle-Of-View
Maximum Aperture
Viewing Angle Range
Maximum Aperture
Magnification
Weight
Sigma A 20mm F/1.4 DG HSM Specifications
| Brand | Sigma | Model | A 20mm F/1.4 DG HSM |
|---|---|---|---|
| Mount | Max FLM | 1X | |
| Focal Length | 20mm | View Angle | 94° |
| Max Aperture | F/1.4 | Min Aperture | F/16 |
| Min Focus | 28cm | Magnification | 0.14X |
| Filter Size | Aperture Blades | 9 | |
| Size (D x L) | 92 x 130mm | Weight | 950g |
| Tilt | N / A | Shift | N / A |
| Stabilization | Protection | None | |
| Zoom Drive | N / A | Focus Drive | AF with MF Switch |
| Zoom Mechanism | N / A | Focus Mechanism | Internal |
| Hood | Fixed | Focus Motor | Super Sonic |
| Perspective | Rectilinear | Introduced | 2015-10-16 |
Similar Lenses For Nikon F Mount
Here are the newest lenses matching or exceeding major specifications of the Sigma A 20mm F/1.4 DG HSM. They cover the same focal-range with a similar aperture and are available for the same lens mount and imaging circle coverage.
Irix Dragonfly 21mm F/1.4
ZY Optics Mitakon Creator 20mm F/2
Samyang 20mm F/1.8 ED AS UMC
Samyang 20mm T/1.9 ED AS UMC
Nikkor AF-S 24mm F/1.8G ED
Sigma A 24mm F/1.4 DG HSM
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Sigma 20mm F/1.4 Facts
Fixed focal-length. No zoom.Rectilinear are normal lenses that show straight lines as straight lines.No thread to mount front filters.Autofocus Lens| 20mm Focal-Length | F/1.4 Constant Aperture |
| No filter thread | AF with MF Switch |
| Nikon F Mount | Full-Frame Coverage |
| 950g Lens Weight | 92 x 130mm (D x L) |
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