Sigma 50mm F1.4 DG HSM A is a Fixed aperture Auto Focus (AF)
Standard Prime lens with 35mm FF max sensor coverage, and it is designed to be used with
A Mount cameras.
The Sigma 50mm F1.4 DG HSM A is also available in the Canon EF , Sigma SA, Nikon F (FX) and Leica L mounts.
What type of photography is the Sigma 50mm F1.4 DG HSM A lens good for?
The choice of photography type for which you intend to use the Sigma 50mm F1.4 DG HSM A is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
There are 3 more lenses that have the same focal range and aperture values with the Sigma 50mm F1.4 DG HSM A that are compatible with the Sony Alpha mount, you can find the review and comparison links of these lenses below.
Lenses in Sony Alpha Mount with Same Focal and Aperture Range
Reasons to Buy the Sigma 50mm F1.4 DG HSM A Lens
Here we've included a summary of the advantages and disadvantages of the Sigma 50mm F1.4 DG HSM A lens in a list form to assist you in determining whether it offers the features you need.
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Full-time Manual Focusing |
| Very Fast Aperture |
| Covers Full-Frame Sensor |
| 9 Diaphragm Blades for Smooth Bokeh |
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We couldn't find any significant Cons for the Sigma 50mm F1.4 DG HSM A
Lens Mount
Sigma 50mm F1.4 DG HSM A is compatible with cameras that have a Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Sigma 50mm F1.4 DG HSM A has a maximum diameter of 85mm and a total length of 100mm. It weighs 815g / 28.7 oz.
Sigma 50mm F1.4 DG HSM A has a filter thread of 77mm. Below are links to the filters that we recommend you to consider for your Sigma 50mm F1.4 DG HSM A:
You can also check All Sony Alpha Mount Lenses with 77mm Filter Thread Size to find the matching lenses.
Focal Range
Sigma 50mm F1.4 DG HSM A has a fixed focal length of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 75mm.
Optical Image Stabilization
Sigma 50mm F1.4 DG HSM 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).
Alternatively, you can check the Tamron 45mm F1.8 Di VC USD in Sony Alpha mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Sigma 50mm F1.4 DG HSM A With Optical Image Stabilization
Maximum Magnification Ratio
Sigma 50mm F1.4 DG HSM A has a Max Magnification Ratio of 0.18x with a minimum focusing distance of 0.4m. 0.18x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Below are the 3 Standard Prime type Sony Alpha mount lens alternatives with highest max magnification ratios:
Aperture
The Sigma 50mm F1.4 DG HSM A features a maximum aperture of F1.4 and can be stopped down to a minimum aperture of F16. With an exceptionally wide F1.4 maximum aperture, this lens excels in challenging low-light environments, letting you shoot at lower ISO speeds to keep images clean and noise-free. At 50mm, this lens provides a natural perspective, and opening up to F1.4 offers clean background separation for typical everyday shooting. Stopping down to F16 gives you plenty of sweep for landscapes or outdoor group shots where you need everything sharp from front to back.
Optical Formula
Sigma 50mm F1.4 DG HSM A's optical formula consists of 13 elements in 8 groups . The following special elements are used in this design:
- SLD glass elements
- aspheric elements
Popular Comparisons of Sigma 50mm F1.4 DG HSM A
Here are the 8 most popular comparisons of the Sigma 50mm F1.4 DG HSM A amongst Camera Decision readers.
Top Alternatives of Sigma 50mm F1.4 DG HSM A Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Sigma 50mm F1.4 DG HSM A.
Top Alternatives of Sigma 50mm F1.4 DG HSM A in Other Lens Mounts
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