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Black zoom lens barrel with L mount base, bundled with 67mm filter kit, pouch, cleaning tools and software box

SIGMA

SIGMA 28-70mm f/2.8 DG DN Contemporary Lens for L Mount, Bundle

SKU CH-1350-0S8AK

A compact 28-70mm f/2.8 full-frame mirrorless zoom with 16 elements in 12 groups, internal focusing, stepping-motor AF and a 67mm filter kit included

  • Constant f/2.8 aperture maintains exposure across the 28-70mm zoom range
  • 16 elements in 12 groups with 2 FLD, 2 SLD and 3 aspherical elements correct aberrations
  • Internal focusing and stepping motor deliver fast, quiet autofocus
  • Smallest and lightest full-frame f/2.8 standard zoom in its class
  • Bundle adds Corel PC software, 67mm filter kit, pouch, cleaning kit and cap tether

28-70mm f/2.8 L-Mount Zoom

This Sigma Contemporary zoom covers 28-70mm with a constant f/2.8 aperture for L-mount mirrorless cameras. The optical formula uses 16 elements in 12 groups including two FLD, two SLD and three aspherical elements. Internal focusing and a stepping motor provide quiet, high-speed autofocus. The bundle adds Corel software, a 67mm filter kit, pouch, cleaner, cleaning kit and cap tether.

Suits full-frame mirrorless shooters

Photographers wanting a light, constant-aperture standard zoom for everyday work will appreciate the compact build. Buyers who need a wider 24mm starting point or a longer telephoto reach should consider other focal ranges. Videographers requiring powered zoom or cinema-style gears will not find those features here.

Constant f/2.8 aperture through 28-70mm

The fixed maximum aperture stays at f/2.8 across the entire zoom range, giving consistent exposure and depth-of-field control from wide to short telephoto. This single specification decides whether the lens matches a shooter's low-light and subject-isolation requirements.

Highlights

  • Constant f/2.8 aperture maintains exposure across the 28-70mm zoom range
  • 16 elements in 12 groups with 2 FLD, 2 SLD and 3 aspherical elements correct aberrations
  • Internal focusing and stepping motor deliver fast, quiet autofocus
  • Smallest and lightest full-frame f/2.8 standard zoom in its class
  • Bundle adds Corel PC software, 67mm filter kit, pouch, cleaning kit and cap tether

Specifications

No published specifications for this item yet.

Questions about this item

Which L-mount mirrorless camera body do I need to attach this 28-70mm f/2.8 lens?

Any full-frame L-mount mirrorless body such as the Sigma fp, Panasonic S-series or Leica SL-series will accept this lens directly with no adapter required.

Can I keep using my 67mm circular polariser and ND filters with this lens?

Yes, the filter thread is 67mm so your existing 67mm filters screw on without step-up or step-down rings.

How do I confirm the stepping motor is focusing quickly and silently after I mount the lens?

Half-press the shutter or use AF-ON; the lens should snap to focus with no audible motor noise and the focus-distance scale will not rotate during autofocus.

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