Sigma 100-400mm F5-6.3 DG OS HSM

High-quality build ; Stabilized optics ; Quick, quiet autofocus ; Useful on-lens controls ; Built-for-mirrorless design

Teleconverters not available for E-mount version ; Not fully protected from dust and splashes ; Struggles with high-resolution sensors

The Sigma 100-400mm F5-6.3 DG DN OS Contemporary is an affordable, quality telezoom lens with plenty of reach for sports and wildlife.

Strong image quality. Optical stabilization. Full-frame coverage. Available for multiple systems. Compact and lightweight. Inexpensive.

Weak edge performance at 100mm. Vignette at maximum aperture. Some distortion. No tripod collar option.

Photographers seeking an affordable, long zooming, relatively light and compact lens should take a close look at the Sigma 100-400mm F5-6.3 DG OS HSM Contemporary. For just $800 you get longer reach than the more typical 70-300mm design in a sturdily...

The new Sigma 100-400mm F5-6.3 DG OS HSM telephoto zoom lens offers very good image quality throughout its versatile focal range, whilst being light and compact enough to make it suitable for hand-holding.

Powerful telephoto reach ; Fairly compact and lightweight ; High-tech features

No optional tripod mount ring ; Sharpness could be better

Picking up the baton from ‘compact’ 70-300mm telephoto zooms, this full-frame compatible Sigma gives extended reach while maintaining a conveniently lightweight build. Although relatively small, it packs a range of fancy features and delivers very...

Powerful telephoto zoom range ; Relatively compact and lightweight ; Good handling and overall performance

Fairly narrow aperture rating at long zoom settings ; USB Dock and teleconverters unavailable for Sony mount version ; Pricier than the older edition for Canon and Nikon DSLRs

Back in 2017, Sigma launched a new breed of ultra-telephoto zoom for Canon and Nikon DSLRs, shoehorning a powerful 100-400mm range into a relatively compact, lightweight build. The next-generation ‘DN’ version for mirrorless cameras is revamped and...

Small and light for a ‘super-tele’ zoom ; Good handling and performance ; Reasonably priced

Only the mounting ring is weather-sealed ; Fairly narrow f/5-6.3 aperture rating ; No tripod mount ring available

This Sigma 100-400mm offers a good compromise between budget 70-300mm lenses and whopping super-telephoto zooms. It’s well-built, handles nicely and boasts some useful up-market features. Ultimately, it’s a tough choice between this and Tamron's...