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Sigma 18-50mm F2.8 DC DN Contemporary Lens for Mirrorless Cameras, Canon RF Mount, APS-C Sensors
In stock
SKU
SIG585972
$659.00
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Key Features
- Constant F2.8 aperture, 1850mm, bright, consistent exposure while zooming.
- Compact, lightweight design, easy handheld shooting and travel carry (300 g).
- Advanced optical construction, 13 elements/10 groups with SLD and asphericals for sharpness.
- Short minimum focus, high magnification, close-up capability without a macro lens.
- Stepping AF motor, fast, near-silent autofocus for stills and video.
- Rounded 7-blade diaphragm, smooth, pleasing bokeh for subject separation.
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5 Year Extended Warranty (L)
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Available to U.S. customers only.
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Sigma 18-50mm F2.8 DC DN Contemporary Lens for Mirrorless Cameras, Canon RF Mount, APS-C Sensors Overview
Description
The visual narrative highlights the SIGMA 18–50mm F2.8 as a compact powerhouse for APS-C mirrorless systems. The visuals emphasize the small scale—the 74.5 mm length and f69.2 mm diameter keep it tiny next to a Canon RF-mount body—reinforcing its promise of professional aperture control in a form factor made for travel and everyday shooting. Close-up details focus on the included accessories (Lens Hood LH582-02, caps LCF-55mm III and LCR II) and the metal mount with gasket, communicating out-of-box readiness and a build designed for frequent use. The imagery showcases the lens's practical benefits: portability, optical performance, and hybrid video capability, supporting its use for run-and-gun video and handheld stills.
Applications & Use Cases
- Travel & Street: Small size and constant f/2.8 enable low-light handheld shots and subject separation.
- Vlogging & Hybrid Video: Quiet stepping AF and constant exposure during zooming.
- Portraits on APS-C: Short tele equivalent and shallow depth of field for head-and-shoulder portraits.
Why Choose This Lens
Choose the SIGMA 18–50mm F2.8 DC DN | Contemporary when you want a true constant F2.8 standard zoom that won't weigh you down. It uniquely blends semi-macro close-focus capability, modern optical corrections, and a compact form factor, making it an ideal single-lens solution for creators who need flexibility without bulk.
Competitive Differentiator
Smallest and lightest constant-F2.8 APS-C standard zoom in its class, combining semi-macro close focus and high optical quality in a travel-friendly package.
Conversion & CTA
Ready to simplify your kit with a versatile, bright APS-C zoom? Add the SIGMA 18–50mm F2.8 DC DN | Contemporary to your bag for outstanding image quality without the weight. Shop now at 17th Street and pair it with a 55 mm filter or protective pouch to get shooting immediately.
Specifications
| Focal Length | 1850 mm (APS-C), ~2775 mm equivalent |
| Maximum Aperture | f/2.8 (constant) |
| Minimum Aperture | f/22 |
| Optical Construction | 13 elements in 10 groups (1 SLD, 3 aspherical) |
| Diaphragm Blades | 7, rounded |
| Minimum Focusing Distance | 12.1 cm (wide) / 30 cm (tele) |
| Maximum Magnification Ratio | 1 : 2.8 (wide) |
| Filter Thread | 55 mm |
| Dimensions (Canon RF Mount) | f69.2 mm 74.5 mm |
| Weight (Canon RF Mount) | 300 g |
| Included Accessories | Lens Hood LH582-02, Front Cap LCF-55mm III, Rear Cap LCR II |
| Edition Number | C021 |
| Mount / Product Barcode (Canon RF) | 00-85126-58572-3 |
| UPC | 0085126585723 |
| Manufacturer SKU | 585972 |
What’s included
- 1- 18-50mm F2.8 DC DN Contemporary Lens, Canon RF Mount
- 1- Lens Hood LH582-02
- 1- Front Cap LCF-55mm III
- 1- Rear Cap LCR II
Compatibility
| Canon RF | Sony E | Fujifilm X | L-Mount | Mount Variants |
| Canon RF (APS-C bodies such as R7, R10) | Sony E (APS-C bodies) | Fujifilm X (APS-C bodies) | L-Mount (APS-C compatibility) | Available in Canon RF, Sony E, Fujifilm X, L-Mount |
FAQ
Is the Sigma 1850mm f/2.8 compatible with Canon RF-mount APS-C bodies?
Yes, the Canon RF-mount version is designed for APS-C Canon RF bodies. Check camera firmware for AF compatibility notes.
What is the filter thread size?
The lens uses a 55 mm filter thread, making filters affordable and widely available.
Can this lens be used for close-up or semi-macro photography?
While not a dedicated macro lens, its short minimum focusing distance (12.1 cm at wide) and 1:2.8 magnification enable effective close-ups.
Is the lens weather-sealed?
The lens features a durable mount and some mounts include a gasket, but it is not marketed as fully weather-sealed for professional extreme conditions.
Does the aperture remain constant when zooming?
Yes, the maximum aperture remains at f/2.8 across the entire 1850mm zoom range.
Is autofocus suitable for video?
Yes, the lens uses a stepping AF motor that is fast and near-silent, suitable for hybrid photo and video work.
What accessories are included in the box?
The lens ships with Lens Hood LH582-02, Front Cap LCF-55mm III, Rear Cap LCR II, and documentation/warranty card.
What is the weight and size of the lens?
The Canon RF-mount version measures f69.2 mm 74.5 mm and weighs approximately 300 g, making it very portable.
How does this lens compare to larger F2.8 zooms?
It offers a true constant f/2.8 in a significantly smaller, lighter package, trading extended tele reach for portability while keeping strong optical performance.
What warranty is provided?
Warranty varies by region and retailer; many listings indicate a 2-year regional warranty. Check your local Sigma distributor or retailer for exact terms.
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