Sigma 100-400mm f/5-6.3 DG DN OS C (Contemporary) Full-Frame Autofocus Lens for Sony E-Mount {67}

Sigma 100-400mm f/5-6.3 DG DN OS: mirrorless-native telephoto reach that travels.

Built from the ground up for mirrorless, the DG DN designation means this lens talks directly to Sony E-mount bodies without the compromises of an adapted DSLR design. The 22-element, 16-group optical construction uses one FLD and four SLD low-dispersion elements to control chromatic aberration across the full 100-400mm range, and Sigma's engineers tuned it to maintain resolution to the image edges, not just the center. At 2.5 lb and 197.2mm long, it's a genuine hand-holdable telephoto.

The stepping motor drives autofocus quickly and quietly, a meaningful advantage when shooting video or working close to skittish subjects. Four stops of optical image stabilization gives you workable shutter speeds in low light at longer focal lengths, and it coordinates with in-body stabilization on compatible Sony bodies for compounded correction on pitch and yaw. The AFL button and focus limiter switch let you adapt AF behavior on the fly without diving into menus. Minimum focus distance sits at 1.1m, useful for insects or detail-oriented subjects at the wider end of the range. The dual-action zoom, which supports both ring and straight-zoom via the hood, is a practical feature that speeds up framing adjustments in the field. At a 67mm filter thread, the lens takes inexpensive filters relative to larger telephoto designs at this range.

Who It's For

Wildlife and bird photographers working from a Sony mirrorless body get a native-mount telephoto that pairs OS with IBIS for sharper handheld shots in uncertain light. Travel photographers will appreciate that 2.5 lb weight across a full day. Sports shooters covering sidelines or courts gain the 100-400mm zoom range without a fixed prime's compositional rigidity. Videographers benefit directly from the stepping motor's near-silent operation, which keeps focus-pull noise out of on-camera audio during documentary or event work.

Key Features

• 100-400mm focal length on full-frame Sony E-mount bodies
• 22 elements in 16 groups with FLD and SLD low-dispersion glass
• Stepping motor autofocus optimized for mirrorless, near-silent operation
• 4-stop optical image stabilization, compatible with Sony in-body IS
• Minimum focus distance 1.1m for close-range detail work
• Dual-action zoom supports ring and straight-zoom via hood
• 67mm filter thread for affordable filter compatibility

FAQ

Does this lens work with Sony's in-body stabilization?

Yes. The 4-stop optical stabilization in the lens coordinates with compatible Sony bodies to correct for pitch and yaw axis rotation, giving you compounded stabilization that's more effective than either system alone.

How fast is the autofocus?

The stepping motor delivers fast, near-silent AF performance optimized for mirrorless systems. It's quiet enough for video work and won't spook wildlife or skittish subjects the way louder AF motors can.

Can I use this lens with a teleconverter?

Sigma makes the TC-1411 and TC-2011 teleconverters designed for mirrorless systems. AF remains effective when attached, pushing the effective focal length to 560mm or 800mm depending on which converter you pair it with.

What's the minimum focus distance?

1.1 meters across the zoom range. That's close enough for insect detail work or tight environmental portraits when you're at the wider end of the focal length.

How much does it weigh?

2.5 pounds, which keeps it genuinely hand-holdable for a 400mm telephoto. At 197.2mm long, it's compact enough to pack in most camera bags without dominating your kit.

Can I adjust autofocus behavior without using menus?

The AFL button and focus limiter switch let you customize AF range and assign functions on the fly. The focus limiter is especially useful when you want to lock AF to a specific distance range and avoid hunting.

Does the zoom ring support straight zoom?

Yes. The dual-action zoom supports both ring zoom and straight zoom via the hood, so you can adjust framing quickly whichever way feels natural to you in the field.