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Sigma 50mm F2 DG DN Contemporary Lens for Mirrorless Cameras, Sony E-Mount, High Optical Performance

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Key Features
- Bright f/2 Aperture: Enables shallow depth of field and better low-light shots, ideal for portraits.
- Compact All-Metal Build: Premium, travel-ready construction that fits full-frame mirrorless rigs.
- 11 Elements, 9 Groups: Optical formula with SLD and aspherical elements for sharp, controlled images.
- Quiet Stepping AF Motor: Fast, discreet autofocus for stills and on-camera video recording.
- 9-Blade Rounded Diaphragm: Produces smooth, pleasing bokeh in out-of-focus areas.
- Aperture Ring with A Position: Tactile aperture control for quicker exposure changes and manual handling.
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Sigma 50mm F2 DG DN Contemporary Lens for Mirrorless Cameras, Sony E-Mount, High Optical Performance Overview
Description
The Sigma 50 mm F2 DG DN | Contemporary (C023) is a compact, all-metal 50mm prime designed for full-frame mirrorless systems, offering bright f/2 performance in a travel-friendly package. It balances optical performance and handling, with 11 optical elements in 9 groups, a 9-blade rounded diaphragm, and a durable dust and splash resistant mount.
Lightweight yet robust, this lens delivers smooth bokeh and reliable autofocus from its stepping motor, making it ideal for everyday photography, environmental portraits, and hybrid photo-video creators who value tactile controls like the aperture ring and a premium metal finish.
Why Choose This Lens
- Premium all-metal I-Series finish combined with compact optical performance, offering a balance of handling and image quality for hybrid creators.
Certification
Every Sigma lens is tested using Sigma's MTF measurement system to ensure optical performance and consistent quality.
Specifications
| Model Name / Number | 50 mm F2 DG DN | Contemporary, C023 |
| Release Year | 2021 |
| Lens Type | Prime |
| Intended Use | Photography, Video |
| Color / Finish | Black (also available in Silver for L-Mount) |
| Weather Sealing | Dust and splash resistant mount gasket |
| Mount Type | L-Mount, Sony E-mount |
| Compatible Sensor Size | Full-Frame, APS-C |
| Supported Camera Brands / Systems | Panasonic L-Mount, Leica L, Sigma fp, Sony E |
| Coverage | 35mm full-frame |
| Focal Length | 50 mm |
| Maximum Aperture | f/2 |
| Minimum Aperture | f/22 |
| Aperture Type | 9-blade, rounded diaphragm |
| Optical Construction, Elements / Groups | 11 elements in 9 groups |
| Special Elements | 1 SLD element, 3 aspherical elements |
| Coatings | Multi-coating to reduce flare and ghosting |
| Focus Type | Autofocus, Manual focus |
| Autofocus Motor Type | Stepping motor |
| Focus Modes | AF-S, AF-C, MF |
| Minimum Focus Distance | 45 cm / 17.8 in |
| Maximum Magnification Ratio | 1:6.9 |
| Internal Focusing | Yes |
| Filter Thread Size | 58 mm |
| Front Element Rotation | No |
| Compatible Lens Hood Model | LH633-02B / LH633-02S |
| Dimensions (Diameter Length) | L-Mount: f70 68 mm, E-Mount: f70 70 mm |
| Weight | L-Mount: 350 g, Sony E: 345 g |
| Special Accessories | Magnetic metal front cap, standard front cap, rear cap, pouch |
| Brand | Sigma |
| Manufacturer SKU | 314965 |
| UPC | 85 126 314651 |
What’s included
- 1- 50mm F2 DG DN Contemporary Lens, Sony E-Mount
- 1- Lens Hood - LH633-01
- 1- 58mm Lens Cap - LCF-58 III
- 1- Magnetic Metal Lens Cap - LCF5801M
- 1- Rear Lens Cap - LCR II
Compatibility
| FREEFLY Ember S5K | Sony BURANO | Sony ILX-LR1 | Sony NEX-VG30 | Sony PXW-FS7M2 |
| Kinefinity MAVO LF MKII | Sony BURANO CineAlta Digital Cinema Camera | Sony NEX-EA50M | Sony NEX-VG900 | Sony PXW-FX9 |
| Kinefinity MAVO S35 MKII | Sony FX3 | Sony NEX-EA50UH | Sony PXW-FS5 | Sony VENICE 6K Digital Motion Picture Camera |
| Sony FX30 | Sony NEX-FS700R | Sony PXW-FS5M2 | Sony FX6 | Sony NEX-FS700U |
| Sony PXW-FS7 |
FAQ
Is the Sigma 50 mm F2 DG DN good for portraits?
Yes, the f/2 aperture and 9-blade rounded diaphragm create smooth bokeh, making it well suited to environmental and head-and-shoulder portraits.
Which mounts are available for this lens?
The lens is offered in L-Mount and Sony E-mount versions.
Is this lens weather sealed?
It features a dust and splash resistant mount gasket, but it is not rated with a specific IP waterproof rating.
What is the minimum focus distance?
The minimum focusing distance is 45 cm, with a maximum magnification ratio of 1:6.9.
What filter size does the lens use?
The front filter thread is 58 mm.
Does the lens have an aperture ring?
Yes, the lens includes a manual aperture ring with an A position for aperture-priority operation.
Is the autofocus suitable for video?
Yes, the stepping motor provides quiet and reliable AF that is suitable for on-camera video and hybrid shooting.
How heavy is the lens?
The L-Mount version weighs 350 g, while the Sony E version weighs 345 g, making it very portable for full-frame primes.
Can I use this lens on APS-C cameras?
Yes, it covers APS-C sensors; on APS-C bodies it provides an equivalent field of view of approximately 75 mm.
What accessories are included in the box?
The package includes the lens, lens hood (LH633-02B / LH633-02S), magnetic metal front cap and standard cap, rear cap, and a pouch.
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