SIGMA 18-50mm F2.8 DC DN Contemporary Lens - Canon RF

Name: SIGMA 18-50mm F2.8 DC DN Contemporary Lens - Canon RF
Brand: Sigma
SKU: irdxv3kk5g
Availability: InStock

The SIGMA 18-50mm F2.8 DC DN Contemporary is a compact and lightweight standard zoom lens engineer...

Best current price£350.99from OnBuy.com

Best offers

Shopping.co.uk recommended and popular offers

Lowest priceMost popular

OnBuy.com£350.99Visit shop

Sigma 18-50 F2.8 Dc Dn Contemporary (Canon Rf) 198983585727

Visit shop

All Offers

2 offers from £350.99

View price history by clicking the chart icon.

OnBuy.comSigma 18-50 F2.8 Dc Dn Contemporary (Canon Rf) 198983585727

Free delivery in 1–3 days

£350.99

Visit shop

Product Information

Full details

The SIGMA 18-50mm F2.8 DC DN Contemporary lens is a versatile, high-performance standard zoom designed for photographers using Canon RF-mount APS-C mirrorless cameras who prioritize portability without sacrificing image quality. It excels at low-light shooting and creative portraiture thanks to its constant F2.8 aperture, though its APS-C design limits its use to crop-sensor bodies for optimal coverage.

All features

Brand	Sigma

Extended Product Information

FAQs

Can I use this on a Full-Frame Canon RF camera?

Yes, but the camera will typically enter crop mode, as this lens is designed specifically for the APS-C image circle.

Does this lens have built-in image stabilization?

No, the lens does not feature optical stabilization; it is intended to be used with cameras equipped with in-body image stabilization (IBIS).

Is this lens weather-sealed?

The mount features a rubber seal for dust and splash resistance, but it is not fully weather-sealed against heavy rain.

What is the filter size for this lens?

The lens utilizes a 55mm filter thread.

Does it support Canon's Servo AF?

Yes, it is fully optimized for high-speed AF and Servo AF tracking on compatible Canon RF-mount systems.

Troubleshooting

Autofocus seems slow or hunts for focus

Ensure the camera firmware is up to date and clean the electronic contacts on both the lens and the camera mount with a dry, lint-free cloth.

Camera does not recognize the lens

Verify the lens is twisted fully into the locked position and ensure the camera is turned off while mounting or unmounting the lens.

Pros and Cons

Pros

Exceptionally compact and lightweight form factor
Bright F2.8 constant aperture across the full zoom range
Excellent close-focusing distance for creative detail shots
Seamless integration with Canon RF-mount firmware and AF systems
Durable, weather-sealed mount design

Cons

Limited to APS-C sensor coverage
Lacks physical optical stabilization (relies on body-based stabilization)
Manual focus ring requires precise handling due to compact size

Setup, Compatibility & Care

To begin using the lens, simply align the white mount index on the lens with the corresponding mark on your Canon RF-mount camera body and rotate clockwise until it clicks. Because this lens is specifically optimized for Canon RF-mount APS-C bodies, it will automatically communicate with the camera to apply aberration corrections.

Care Instructions:

Keep the front and rear elements clean using a microfiber lens cloth.
Always replace the lens caps when the camera is not in use to prevent dust accumulation.
Store in a cool, dry place to prevent internal moisture build-up.
Even with the rubber-sealed mount, avoid prolonged exposure to heavy rain or extreme sand conditions.