Sigma 20mm F1.4 DG DN A is a Fixed aperture Auto Focus (AF)
Wideangle Prime lens with 35mm FF max sensor coverage, and it is designed to be used with Sony E mount cameras.
Lenses in Sony E Mount with Same Focal and Aperture Range
Lens Mount
Sigma 20mm F1.4 DG DN A is compatible with cameras that have Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7 IV, Sony ZV-E10 and Sony A1.
Sigma 20mm F1.4 DG DN A is also available in Leica L mount.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Sigma 20mm F1.4 DG DN A has a maximum diameter of 88mm and total length of 111mm.
Sigma 20mm F1.4 DG DN A has a filter thread of 82mm.
Focal Range
Sigma 20mm F1.4 DG DN A has a fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 36mm.
Optical Image Stabilization
Sigma 20mm F1.4 DG DN A doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Maximum Magnification Ratio
Sigma 20mm F1.4 DG DN A has a Max Magnification Ratio of 0.16x and has a minimum focusing distance of 0.23m. 0.16x means that the max magnification ratio is very low and not suitable even for modest close-up shots.
Aperture
Sigma 20mm F1.4 DG DN A has a max aperture of F1.4 and a minimum aperture of F16.
Optical Formula
Sigma 20mm F1.4 DG DN A's optical formula consists of 17 elements in 15 groups . Following special elements are used in this design:
- 2 Super-Low Dispersion elements
- 3 aspherical elements
- Super Multi-Layer coating
- Water- and oil-resistant coating
Lens Hood
Sigma 20mm F1.4 DG DN A comes with a removable lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is LH898-04.
Body Colour
Sigma 20mm F1.4 DG DN A is available in Black color.
Popular Comparisons of Sigma 20mm F1.4 DG DN A
Here is the eight most popular comparisons of Sigma 20mm F1.4 DG DN A amongst Camera Decision readers.