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Home » Compare Lenses » Sigma 18-125mm F3.8-5.6 DC OS HSM Vs. Canon EF-S 18-135mm f3.5-5.6 IS STM: Side By Side Comparison

Sigma 18-125mm F3.8-5.6 DC OS HSM Vs. Canon EF-S 18-135mm f3.5-5.6 IS STM: Side By Side Comparison

Looking to find more information regarding the Sigma 18-125mm F3.8-5.6 DC OS HSM vs. Canon EF-S 18-135mm f3.5-5.6 IS STM? Read our latest review for a side-by-side comparison between these two camera lenses. 

Sigma 18-125mm F3.8-5.6 DC OS HSM Overview

The Sigma 18-125mm F3.8-5.6 DC OS HSM is  Sigma’s first zoom lens with Optical Stabilization for APS-C DSLRs. With a decent 18-125mm focal length, this fast aperture zoom is good for low light photography and the image stabilization feature will improve hand-holdability in these conditions. It will have no problem zooming through its entire range of focal lengths as well as pulling off macro zooming shots with Sigma’s closest focusing distance of 28cm or 1 foot. This lens has a rubberized zoom ring and an easy-to-use manual focus ring which features Sigma’s Hyper-Sonic Motor (HSM) for fast, quiet and accurate autofocusing. The overall construction is high quality metal except for the plastic zoom ring.

Reasons To Choose Sigma 18-125mm F3.8-5.6 DC OS HSM Over Canon EF-S 18-135mm f3.5-5.6 IS STM

The Sigma 18-125mm F3.8-5.6 DC OS HSM has a 3mm smaller diameter and 7 mm shorter length in comparison to the Canon EF-S 18-135mm f3.5-5.6 IS STM.

Canon EF-S 18-135mm f3.5-5.6 IS STM Overview

The Canon EF-S 18-135mm f3.5-5.6 IS STM is  Canon’s first zoom lens with Optical Image Stabilizer for their line of entry level DSLRs. With a decent 18-135mm focal length, the f3.5-5.6 aperture range can go from nice indoor photography to acceptable landscape shots at night time in good lighting conditions. The image stabilization feature will improve hand-holdability in these conditions. It will have no problem zooming through its entire range of focal lengths as well as pulling off macro / close focusing shots with a closest focusing distance of 45cm or 1.5 feet. This lens has a plastic zoom ring and an easy-to-use manual focus ring which features Canon’s USM for fast, quiet and accurate autofocusing. The overall construction is high quality plastic except for the metal mount.

Reasons To Choose Canon EF-S 18-135mm f3.5-5.6 IS STM Over Sigma 18-125mm F3.8-5.6 DC OS HSM

The focal length offers 10mm more tele coverage. It also has a 7.50x optical zoom compared to the Sigma’s 6.90x optical zoom.

Between both lenses, the Canon has a wider maximum aperture and is faster when wider open. It also offers slightly better magnification and is a slightly lighter lens compared to the Sigma 18-125mm.

Camera Lens Specs Table Comparison

Our Verdict

Overall, the Canon  EF-S 18-135mm f3.5-5.6 IS STM outperforms the Sigma 18-125mm F3.8-5.6 DC OS HSM when it comes to optical zoom, aperture, magnification and weight. The Canon lens offers slightly better image quality however both lenses are almost identical in sharpness when wide open. The Sigma being cheaper is the only reason why people would choose it over the Canon lens.