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Black Sigma ultra-wide zoom lens, cylindrical barrel, matte finish, 87mm wide by 100mm long

SIGMA

SIGMA 12-24mm f/4.5-5.6 EX DG IF HSM camera lens

SKU CH-9XN8-3WZ5B

Ultra-wide zoom covers 12 to 24 mm with a 122 degree diagonal view at 12 mm and internal focusing that keeps the lens at 100 mm length

  • Focus systemAuto Focus
  • Product typeZoom Lens
  • Compatible withDSLR Camera
  • Product colorBlack
  • 122° diagonal view at 12mm captures vast interiors and landscapes
  • 12–24mm zoom range shifts from ultra-wide to wide without changing lenses
  • Four SLD elements plus three aspherical lenses suppress colour fringing and distortion
  • Inner Focus keeps the 100mm barrel length constant while focusing
  • Super Multi Coating cuts flare and ghosting in high-contrast scenes

Ultra-wide zoom for A-mount DSLR

The Sigma 12-24mm f/4.5-5.6 EX DG IF HSM covers a 122-degree diagonal angle of view at 12mm and narrows to 84.1 degrees at 24mm. It mounts on Minolta and Sony A-mount DSLR bodies. Four SLD glass elements and three aspherical lenses correct colour aberration and distortion across the range.

Optical construction and coatings

Super Multi Coating reduces flare and ghosting in high-contrast scenes. The inner focusing system keeps the barrel at a constant 100mm length during focus travel. Maximum diameter is 87mm. These traits help maintain balance and predictable handling when shooting interiors or expansive landscapes.

Installation and common issues

The lens attaches via the standard A-mount bayonet; autofocus is driven by an in-lens HSM motor. Buyers using Sony E-mount mirrorless cameras will need a separate adapter and may lose full AF speed. The variable f/4.5-5.6 aperture limits low-light use without a tripod or higher ISO settings.

How it compares

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

Price $632.99
Pricier than about 58% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSIGMA
Model name200205
Product typeZoom Lens
Product colorBlack
Audio & video
Focus systemAuto Focus
Compatibility
Compatible withDSLR Camera

Questions about this item

Will the zoom or focus rings need periodic lubrication on the 12-24mm f/4.5-5.6 EX DG IF HSM?

The inner focusing system keeps the lens barrel at a fixed 100 mm length during operation, so the helicoid is not extended or retracted; no routine lubrication is required.

What optical limit appears first when shooting wide-open at 12 mm on this 12-24mm zoom?

At the 12 mm end the maximum aperture is f/4.5, so depth of field is shallow and corner vignetting is most noticeable before stopping down.

Does the lens barrel extend or generate extra heat during all-day shooting with the 12-24mm f/4.5-5.6?

The internal focusing design holds the barrel at a constant 100 mm length and 87 mm diameter, so there is no extra extension or heat buildup from moving groups.

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