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Black ultra-wide-angle zoom lens for L-Mount mirrorless cameras, model 415969

SIGMA

SIGMA 17mm F4.0 DG DN L-Mount 415969 camera lens

SKU CH-Y082-J4TTB

Ultra-wide-angle zoom lens for L-mount mirrorless cameras with 17mm focal length and f/4 maximum aperture

  • TypeZoom Lens
  • CompatibilityMirrorless Camera
  • ColorBlack
  • Focus TypeAuto Focus
  • Ultra-wide 17mm field of view for expansive scenes
  • Constant f/4 maximum aperture maintains exposure while zooming
  • L-Mount design works natively with mirrorless camera bodies
  • Contemporary-line optical standard delivers consistent image quality
  • Autofocus system enables quick, hands-free focusing

Ultra-wide 17mm prime for L-mount

The SIGMA 415969 is a 17mm F4.0 DG DN prime lens built for full-frame mirrorless cameras using the Leica L mount. Its ultra-wide field of view suits landscape, architecture and interior photographers who need a compact, rectilinear optic. Autofocus operation is supported for both stills and video work.

Passive thermal profile in normal use

The lens has no electronic cooling system and draws no power of its own, so it adds no audible noise or heat to the camera body during typical shooting. Its all-metal barrel and polycarbonate components remain at ambient temperature during handheld or tripod use.

Consistent behaviour under sustained operation

Because the design contains no motors that run continuously and no active elements that throttle, performance does not change during long exposures, time-lapse sequences or extended video takes. Focus and aperture stability are maintained without thermal drift.

Highlights

  • Ultra-wide 17mm field of view for expansive scenes
  • Constant f/4 maximum aperture maintains exposure while zooming
  • L-Mount design works natively with mirrorless camera bodies
  • Contemporary-line optical standard delivers consistent image quality
  • Autofocus system enables quick, hands-free focusing

Specifications

TypeZoom Lens
CompatibilityMirrorless Camera
ColorBlack
Focus TypeAuto Focus
BrandSIGMA
Model415969

Questions about this item

How do I attach this SIGMA 415969 to my mirrorless body and what step is often missed?

Align the red dot on the Leica L mount with the camera index, twist until it clicks, then switch the lens focus mode to AF so the camera can drive the stepping motor.

What maintenance will this 17mm F4.0 DG DN need over time?

Clean the front element with a blower and microfibre cloth when dust appears; the sealed barrel keeps internal mechanics maintenance-free.

What limit appears first when shooting long exposures at f/22?

At the minimum aperture of f/22 diffraction softens fine detail, so extended stops are best reserved for when depth of field is critical.

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