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Black Sigma 18-50mm F2.8 lens on Sony E-mount body with filter, hood, cap, memory card and backpack

SIGMA

SIGMA 18-50mm F2.8 DC DN Contemporary Sony E camera lens bundle

SKU CH-7GJ3-RXW5H

A compact APS-C zoom with constant f/2.8 aperture, bundled with a UV filter, 128 GB memory card and camera backpack

  • TypeWide Angle Zoom
  • Constant f/2.8 aperture enables low-light shooting and shallow depth of field
  • 18-50mm zoom range covers wide-angle to standard perspectives for APS-C sensors
  • Compact, lightweight design balances perfectly with Sony E-mount mirrorless bodies
  • Bundle adds UV filter, 128GB UHS-I SDXC card and camera backpack
  • 7-blade rounded diaphragm and SLD element contribute to smooth bokeh and reduced aberrations

Sigma 18-50mm F2.8 DC DN Contemporary Lens

This Sony E-mount zoom covers an 18-50mm range at a constant f/2.8 aperture for APS-C mirrorless cameras. The bundle adds a Tiffen 55mm UV protector filter, a SanDisk 128GB Extreme PRO UHS-I SDXC card and a Waith camera backpack. It suits photographers wanting one fast, compact lens plus essential accessories in a single purchase.

Upgrade from variable-aperture kit zooms

Kit lenses typically drop to f/4 or f/5.6 at the long end, forcing higher ISO or slower shutter speeds indoors. The constant f/2.8 here maintains exposure throughout the zoom, making low-light events, evening street scenes and shallow-depth portraits practical without flash. The jump is worth it when you regularly shoot in dim conditions or want consistent background separation at every focal length.

APS-C E-mount coverage limits full-frame use

The DC designation means the image circle covers APS-C sensors only; on full-frame Sony bodies the lens will vignette heavily or require a crop mode that discards resolution. Buyers planning to move to full-frame later should note this constraint. The 7-blade rounded diaphragm and special low-dispersion element aid bokeh quality and chromatic control within the designed format.

Highlights

  • Constant f/2.8 aperture enables low-light shooting and shallow depth of field
  • 18-50mm zoom range covers wide-angle to standard perspectives for APS-C sensors
  • Compact, lightweight design balances perfectly with Sony E-mount mirrorless bodies
  • Bundle adds UV filter, 128GB UHS-I SDXC card and camera backpack
  • 7-blade rounded diaphragm and SLD element contribute to smooth bokeh and reduced aberrations

Specifications

TypeWide Angle Zoom

Questions about this item

What filter thread size does the included Tiffen UV protector filter match on this lens?

The Tiffen filter is 55 mm, which matches the front thread of the Sigma 18-50mm F2.8 DC DN Contemporary lens.

Which mount does the lens use and what step do installers sometimes skip?

The lens uses Sony E-mount; the step often missed is removing both the front LCF-55 III cap and the rear LCR II cap before attaching the lens to the camera body.

When should the SanDisk 128GB Extreme PRO SDXC card be replaced?

Replace the card if it shows write errors, fails to record video cleanly, or after several years of intensive shooting cycles.

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