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Black telephoto zoom lens with silver tripod and ball head

SIGMA

SIGMA 100-400mm f/5-6.3 DG DN OS Contemporary Lens for L Mount with Vanguard VEO 3 GO 235AB Tripod

SKU CH-D9TY-870MK

A compact ultra-telephoto zoom for L-mount mirrorless cameras, bundled with a lightweight travel tripod and cleaning accessories

  • Edge-to-edge high resolution throughout the zoom range
  • Minimised flare and ghosting for clearer backlit shots
  • Dust- and splash-proof mount protects in harsh conditions
  • Brass bayonet mount ensures precise, durable attachment
  • Rounded diaphragm creates smooth, natural bokeh

Ultra-Telephoto Zoom for L Mount

The SIGMA 100-400mm f/5-6.3 DG DN OS Contemporary lens is built for full-frame mirrorless cameras using the L Mount. It covers a versatile 100-400mm focal range in a compact, lightweight body designed for photographers who value mobility on long shooting days. The bundle includes a Vanguard VEO 3 GO 235AB travel tripod with T-50 ball head plus a cleaning kit and cloth. This kit suits outdoor and wildlife shooters wanting extended reach without heavy gear.

Variable Aperture and Optical Limits

The maximum aperture shifts from f/5 at 100mm to f/6.3 at 400mm, restricting low-light performance and shallow depth of field compared to faster telephotos. Optical design minimises flare and ghosting while delivering high resolution and contrast across the frame. A rounded diaphragm helps produce pleasing background blur. The lens lacks a constant f/2.8 aperture through the zoom range, so exposure adjustments are necessary when extending focal length.

Simple Mounting with Environmental Sealing

The brass bayonet mount attaches securely to compatible L Mount bodies and features a dust- and splash-proof structure for added durability in the field. No specialised tools are required for installation. Autofocus and stabilisation functions rely on camera-body communication; incompatibility may arise with older firmware versions. The tripod’s ball head allows quick positioning, but its load capacity limits use with heavier camera-lens combinations.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $908.99
Pricier than about 75% of the 2,570 comparable items (median $546.49).

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 100-400mm f/5-6.3 or the 24-70mm f/2.8 for my L-mount kit?

The 100-400mm covers ultra-telephoto reach from 100 to 400 mm for distant subjects, while the 24-70mm f/2.8 is a standard zoom for wider scenes and brighter apertures.

How does the f/5-6.3 aperture range affect real-world shooting at 400 mm?

At 400 mm the maximum aperture is f/6.3, so you will need higher ISO or slower shutter speeds in lower light, but the rounded diaphragm still gives smooth background blur.

What does the L-mount bayonet limit in practice?

The high-precision brass L-mount fits L-mount mirrorless bodies only and its dust- and splash-proof structure seals against the camera flange.

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