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SIGMA 10–18mm F2.8 DC DN
An ultra-wide constant-F2.8 zoom suited to vlogging, architecture, landscapes, interiors and wide environmental scenes.
SIGMA Contemporary Series
SIGMA 18–50mm F2.8 DC DN | Contemporary Zoom
The SIGMA 18–50mm F2.8 DC DN Contemporary for Sony E is a compact standard zoom designed for APS-C mirrorless photography and video. Its versatile 27–75mm full-frame equivalent range covers everyday subjects from portraits and street scenes to events, landscapes and close-up work, while the constant F2.8 aperture provides a bright, consistent shooting experience throughout the zoom range.
With a Sony E-mount version weighing approximately 290g, the lens is designed around portability without giving up useful optical performance. Fast, quiet autofocus, close focusing and a compact form factor make it suitable as an everyday zoom or as a lightweight companion lens.
18–50mm27–75mm Equivalent
F2.8Constant Maximum Aperture
APS-CDC Crop Sensor
290gSony E-Mount Weight
Jump to What Matters
At a Glance
SIGMA 18–50mm F2.8 DC DN Key Highlights
- 18–50mm standard zoom for APS-C mirrorless cameras
- 27–75mm full-frame equivalent focal range
- Constant F2.8 maximum aperture throughout the zoom range
- Compact and lightweight design for everyday use
- 13 elements in 10 groups
- 1 SLD and 3 aspherical elements
- Fast and quiet stepping-motor autofocus
- Minimum focusing distance of 12.1cm at the wide end
- Maximum magnification ratio of 1:2.8 at 18mm
- Rounded 7-blade diaphragm
- Dust- and splash-resistant construction around the mount
- 55mm filter size
Aperture & Versatility
Constant F2.8 for Everyday Photography and Video
The constant F2.8 maximum aperture is one of the defining features of the SIGMA 18–50mm. Unlike a variable-aperture kit zoom, the maximum aperture remains F2.8 as you move through the 18–50mm range. This provides a consistent exposure approach and helps maintain subject separation when shooting portraits, everyday scenes and video.
The 27–75mm equivalent range covers a useful span from wide-angle perspectives to short-telephoto framing, making the lens suitable for a variety of situations without requiring frequent lens changes.
Portraits
The 50mm end provides a useful short-telephoto perspective for portraits and subject-focused photography.
The 50mm end provides a useful short-telephoto perspective for portraits and subject-focused photography.
Street & Everyday
The 18–50mm range covers common focal lengths for street scenes, travel and general photography.
The 18–50mm range covers common focal lengths for street scenes, travel and general photography.
Events & Video
The constant F2.8 aperture and quiet autofocus make the lens practical for event coverage and video recording.
The constant F2.8 aperture and quiet autofocus make the lens practical for event coverage and video recording.
Optical Performance
13-Element Optical Design with SLD and Aspherical Elements
The lens uses 13 elements in 10 groups, including one SLD (Special Low Dispersion) element and three aspherical elements. This optical construction is designed to support image quality across the zoom range while controlling optical aberrations.
The rounded seven-blade diaphragm contributes to smooth out-of-focus rendering, while the compact optical design keeps the lens practical for daily carry.
Lens Construction
13 elements in 10 groups, including 1 SLD and 3 aspherical lenses.
13 elements in 10 groups, including 1 SLD and 3 aspherical lenses.
Wide-End Angle of View
76.5° on Sony E-mount APS-C cameras.
76.5° on Sony E-mount APS-C cameras.
Tele-End Angle of View
31.7° on Sony E-mount APS-C cameras.
31.7° on Sony E-mount APS-C cameras.
Diaphragm
7 rounded diaphragm blades for smooth background rendering.
7 rounded diaphragm blades for smooth background rendering.
Optical Note
The official specifications list a 12.1cm minimum focusing distance and a 1:2.8 maximum magnification ratio at the 18mm wide end. This gives the lens useful close-up capability for subjects such as products, food, details and everyday objects.
Close-Up Capability
Close Focusing Down to 12.1cm
At the 18mm wide end, the SIGMA 18–50mm can focus as close as 12.1cm / 4.8 inches, with a maximum magnification ratio of 1:2.8. At the 50mm end, the minimum focusing distance is 30cm and the maximum magnification ratio is 1:5.
This close-focusing ability expands the lens beyond conventional everyday zoom use, making it useful for detail shots and macro-style photography.
| Focal Length | Minimum Focusing Distance | Maximum Magnification |
|---|---|---|
| 18mm | 12.1cm / 4.8in. | 1:2.8 |
| 50mm | 30cm / 11.9in. | 1:5 |
Autofocus & Video
Fast, Quiet Stepping-Motor Autofocus
Autofocus is driven by a stepping motor designed for fast and quiet focusing. This is useful for both still photography and video, particularly when recording subjects where distracting focus noise can be undesirable.
The lens is suited to subjects such as children, animals and everyday moving subjects, while its compact size makes it practical for handheld video and travel setups.
Fast AF
The stepping motor provides responsive autofocus for everyday shooting.
The stepping motor provides responsive autofocus for everyday shooting.
Quiet Operation
The focusing system is designed to minimize audible focus operation during video recording.
The focusing system is designed to minimize audible focus operation during video recording.
Video Friendly
The constant F2.8 aperture and compact form factor support practical video workflows.
The constant F2.8 aperture and compact form factor support practical video workflows.
Build & Portability
Compact, Lightweight and Designed for Everyday Carry
The Sony E-mount version measures approximately φ61.6mm × 76.5mm and weighs approximately 290g. This compact form factor makes the lens suitable for photographers who want a standard zoom that can remain on the camera for much of the day.
The lens also features a dust- and splash-resistant structure, providing added protection for outdoor photography and travel use.
Sony E-Mount Weight
Approximately 290g / 10.2oz.
Approximately 290g / 10.2oz.
Dimensions
Approximately φ61.6mm × 76.5mm / φ2.4in. × 3.0in.
Approximately φ61.6mm × 76.5mm / φ2.4in. × 3.0in.
Filter Size
55mm filter thread.
55mm filter thread.
Construction
Dust- and splash-resistant design around the mount.
Dust- and splash-resistant design around the mount.
Mount Options
Sony E, L-Mount, Canon RF and FUJIFILM X Versions
The SIGMA 18–50mm F2.8 DC DN Contemporary is produced for several APS-C mirrorless systems, including Sony E-mount, L-Mount, Canon RF Mount and FUJIFILM X Mount. The Sony E version featured on this page weighs approximately 290g.
| Mount | Dimensions | Weight |
|---|---|---|
| L-Mount | φ65.4mm × 74.5mm / φ2.6in. × 2.9in. | 290g / 10.2oz. |
| Canon RF Mount | φ69.2mm × 74.5mm / φ2.7in. × 2.9in. | 300g / 10.6oz. |
| FUJIFILM X Mount | φ61.6mm × 76.8mm / φ2.4in. × 3.0in. | 285g / 10.1oz. |
| Sony E-mount | φ61.6mm × 76.5mm / φ2.4in. × 3.0in. | 290g / 10.2oz. |
Important Compatibility Note
This page is for the Sony E-mount version. The lens is designed for APS-C [DC] mirrorless cameras. When used on compatible full-frame bodies, SIGMA notes that APS-C crop mode should be selected.
Technical Reference
SIGMA 18–50mm F2.8 DC DN Full Specifications
The specifications below follow the supplied SIGMA technical information for the 18–50mm F2.8 DC DN | Contemporary lens. The Sony E-mount-specific dimensions, weight and barcode are included where applicable.
General & Optical
| Camera Type | Mirrorless |
|---|---|
| Corresponding Mount | L-Mount, Canon RF Mount, FUJIFILM X Mount, Sony E-mount |
| Sensor Format | APS-C [DC] |
| Lens Construction | 10 groups, 13 elements (1 SLD and 3 aspherical lenses) |
| Angle of View — L-Mount | 76.5° (W) – 31.7° (T) |
| Angle of View — Canon RF Mount | 73.4° (W) – 30.0° (T) |
| Angle of View — FUJIFILM X Mount | 76.5° (W) – 31.7° (T) |
| Angle of View — Sony E-mount | 76.5° (W) – 31.7° (T) |
| Number of Diaphragm Blades | 7 (rounded diaphragm) |
| Minimum Aperture | F22 |
Focusing & Magnification
| Minimum Focusing Distance | 12.1cm (W) – 30cm (T) / 4.8in. (W) – 11.9in. (T) |
|---|---|
| Maximum Magnification Ratio | 1:2.8 (W) – 1:5 (T) |
Filter, Dimensions & Weight
| Filter Size | φ55mm |
|---|---|
| Dimensions — L-Mount | φ65.4mm × 74.5mm / φ2.6in. × 2.9in. |
| Dimensions — Canon RF Mount | φ69.2mm × 74.5mm / φ2.7in. × 2.9in. |
| Dimensions — FUJIFILM X Mount | φ61.6mm × 76.8mm / φ2.4in. × 3.0in. |
| Dimensions — Sony E-mount | φ61.6mm × 76.5mm / φ2.4in. × 3.0in. |
| Weight — L-Mount | 290g / 10.2oz. |
| Weight — Canon RF Mount | 300g / 10.6oz. |
| Weight — FUJIFILM X Mount | 285g / 10.1oz. |
| Weight — Sony E-mount | 290g / 10.2oz. |
Edition, Accessories & Identifiers
| Edition Number | C021 — the three-digit code on the surface of the lens indicates the year the lens was first released. Since it differs from the year of manufacture, the release year and edition number may not match depending on the mount. |
|---|---|
| Supplied Lens Hood | LH582-02 |
| Front Cap | LCF-55mm III |
| Rear Cap | LCR II |
| Mount / Product Barcode — L-Mount | 00-85126-58569-3 |
| Mount / Product Barcode — Canon RF Mount | 00-85126-58572-3 |
| Mount / Product Barcode — FUJIFILM X Mount | 00-85126-58575-4 |
| Mount / Product Barcode — Sony E-mount | 00-85126-58565-5 |
Trademark & Mount Notes:
L-Mount is a registered trademark of Leica Camera AG.
Sony E-mount is developed, manufactured and sold based on the specifications of E-mount disclosed by Sony Corporation under the applicable license agreement.
Canon RF Mount is developed, manufactured and sold under license from Canon Inc.
Focal Length Comparison
SIGMA 18–50mm F2.8 vs SIGMA 10–18mm F2.8
Both lenses are compact APS-C zooms, but their focal-length ranges serve different shooting requirements. The 18–50mm focuses on standard and short-telephoto perspectives, while the 10–18mm covers much wider perspectives.
| Feature | SIGMA 18–50mm F2.8 | SIGMA 10–18mm F2.8 |
|---|---|---|
| Focal Range | 18–50mm | 10–18mm |
| Full-Frame Equivalent | 27–75mm | 15–27mm |
| Maximum Aperture | Constant F2.8 | Constant F2.8 |
| Primary Perspective | Standard to short telephoto | Ultra-wide to wide-angle |
| Typical Applications | Portraits, travel, street, everyday photography, events and video | Vlogging, interiors, architecture, landscapes and wide environmental scenes |
Choosing by Focal Range
If you need a compact everyday zoom covering standard and short-telephoto perspectives, the 18–50mm range is the relevant configuration. For significantly wider framing, explore the SIGMA 10–18mm F2.8 DC DN Contemporary.
Real-World Applications
Where the SIGMA 18–50mm F2.8 Fits Best
The combination of a 27–75mm equivalent range, constant F2.8 aperture, compact body and close-focusing capability makes this zoom adaptable to several photography and video workflows.
Travel Photography
A compact standard zoom can cover many everyday travel scenes without requiring frequent lens changes.
A compact standard zoom can cover many everyday travel scenes without requiring frequent lens changes.
Portraits & Lifestyle
The 50mm end provides a useful short-telephoto perspective for people and lifestyle images.
The 50mm end provides a useful short-telephoto perspective for people and lifestyle images.
Street Photography
The 18mm end provides a wider perspective while the rest of the range handles more natural framing.
The 18mm end provides a wider perspective while the rest of the range handles more natural framing.
Events
The constant F2.8 aperture provides a consistent maximum aperture throughout the zoom range.
The constant F2.8 aperture provides a consistent maximum aperture throughout the zoom range.
Video & Content Creation
Quiet autofocus, constant F2.8 and a compact body support lightweight video setups.
Quiet autofocus, constant F2.8 and a compact body support lightweight video setups.
Close-Up Details
The 12.1cm minimum focusing distance at 18mm provides useful macro-style close-up capability.
The 12.1cm minimum focusing distance at 18mm provides useful macro-style close-up capability.
Build Your Kit
Explore More SIGMA Lenses for APS-C Cameras
If you need a wider perspective, portrait-oriented prime, or another focal-length option, explore other SIGMA lenses available through the Camzon lens lineup.
SIGMA 56mm F1.4 DC DN
A bright portrait-oriented prime designed for subject isolation, portraits, fashion and lifestyle photography.
SIGMA 23mm F1.4 DC DN
A bright standard-wide prime for street photography, travel, lifestyle and everyday storytelling.
SIGMA Lens Collection
Explore more SIGMA mirrorless lenses across different focal lengths and mount systems.
Shopping in Pakistan
SIGMA 18–50mm F2.8 Lens Price in Pakistan
When purchasing a SIGMA lens in Pakistan, buyers should consider the exact mount version, product condition, warranty coverage, packaging and after-sales support. For the Sony E version, always verify that the listing specifies Sony E-mount and APS-C compatibility.
Before Ordering
Check the current product price, stock availability, warranty terms and delivery information before placing your order. If your camera model is not clear, confirm compatibility before purchase.
Build Your Setup
Complete Your Sony APS-C Camera Kit
The SIGMA 18–50mm F2.8 can form the central zoom of a compact APS-C setup. Depending on your workflow, you can complement it with additional lenses, camera bags, tripods, gimbals, microphones and lighting equipment.
1
Wide-Angle Lens
Consider the SIGMA 10–18mm F2.8 for wider scenes, interiors and vlogging.
Consider the SIGMA 10–18mm F2.8 for wider scenes, interiors and vlogging.
2
Portrait Lens
Add a bright prime such as the SIGMA 56mm F1.4 for portraits and subject isolation.
Add a bright prime such as the SIGMA 56mm F1.4 for portraits and subject isolation.
3
Camera Bag
Use a suitable camera bag to protect the lens and other accessories during travel.
Use a suitable camera bag to protect the lens and other accessories during travel.
4
Video Accessories
For content creation, pair the lens with a suitable microphone, tripod or gimbal setup.
For content creation, pair the lens with a suitable microphone, tripod or gimbal setup.
For additional lens options, browse the Camzon camera lens collection.
Frequently Asked Questions
SIGMA 18–50mm F2.8 DC DN FAQ
Is the SIGMA 18–50mm F2.8 compatible with Sony E-mount cameras?
Yes. This version is designed for Sony E-mount APS-C mirrorless cameras. The supplied specifications identify the Sony E-mount version as an APS-C [DC] lens.
What is the full-frame equivalent of 18–50mm on Sony APS-C?
The supplied product information gives a versatile 27–75mm full-frame equivalent range, covering wide-angle through short-telephoto perspectives.
Does the SIGMA 18–50mm have a constant F2.8 aperture?
Yes. The maximum aperture is F2.8 throughout the 18–50mm zoom range.
Does this lens have optical image stabilization?
The supplied specifications do not list optical image stabilization for the SIGMA 18–50mm F2.8 DC DN Contemporary. It should therefore not be presented as an optically stabilized lens.
How close can the lens focus?
The minimum focusing distance is 12.1cm at the wide end and 30cm at the telephoto end. The maximum magnification ratios are 1:2.8 at 18mm and 1:5 at 50mm.
Is the autofocus suitable for video?
Yes. The lens uses a stepping motor designed for fast and quiet autofocus, which is useful for video recording and everyday moving subjects.
How much does the Sony E version weigh?
The official supplied specification lists the Sony E-mount version at approximately 290g / 10.2oz.
What filter size does the SIGMA 18–50mm use?
The lens uses a 55mm filter size.
Is the lens weather resistant?
The supplied product information describes the lens as having a dust- and splash-resistant structure, particularly around the mount area.
Can the lens be used on a Sony full-frame camera?
The supplied SIGMA information notes that the lens can be used as a sub-lens on full-frame bodies when APS-C crop mode is selected. The lens itself is designed for APS-C [DC] cameras.
What comes in the box?
The supplied accessories are the LH582-02 lens hood, LCF-55mm III front cap and LCR II rear cap.
Final Thoughts
A Compact Constant-F2.8 Zoom for Sony APS-C
The SIGMA 18–50mm F2.8 DC DN Contemporary for Sony E combines a practical 27–75mm equivalent range, constant F2.8 aperture, close-focusing capability and a compact 290g design. Its stepping-motor autofocus, optical construction and dust- and splash-resistant structure make it a practical lens for travel, portraits, street photography, events, everyday shooting and video.
For Sony APS-C users looking for a compact standard zoom, its combination of focal-length coverage and constant F2.8 aperture makes it suitable for a broad range of shooting situations without requiring a large or heavy setup.
Official Manufacturer Reference
For complete technical specifications, mount information and camera compatibility, refer to the official SIGMA product information:
SIGMA 18–50mm F2.8 DC DN | Contemporary — Official Product Page
