Sigma A 28-105mm F/2.8 DG DN Lens
For Leica L Mount

Weatherproof - Seals protect from dust, humidity and light splashing.Weatherproof - Seals protect from dust, humidity and light splashing.Zoom LensZoom LensRectilinear are normal lenses that show straight lines as straight lines.Rectilinear are normal lenses that show straight lines as straight lines.Thread size in milimeters for screw-on filters.Thread size in milimeters for screw-on filters.82Autofocus LensAutofocus Lens

Lens Description

The Sigma A 28-105mm F/2.8 DG DN is a wide to short telephoto zoom designed for cameras with a Full-Frame sensor. This bright constant-aperture zoom covers a 28 to 105mm focal-range.

This 4X zoom lens focuses down to 40cm from the imaging plane, capturing subject with a maximum 0.32X magnification. The lens supports autofocus and features a switch to disengage AF for focusing manually. A built-in focus motor is used to set the focus-distance. It allowed Sigma to optimize the motor precisely for this lens in order to maximize performance.

The lens weighs 995g. Its body is weatherproof against adverse weather such as rain and snow. Seals in key areas prevent entry of water and dust.

This version of the lens has a Leica L mount. It directly attaches and is fully compatible with all Leica L mount cameras with Full-Frame or smaller sensors. Sigma also makes this lens for Sony E mount.

Sigma A 28-105mm F/2.8 DG DN

Focal-Range

14mm600mm
28-105mm
FOCAL-RANGE OF WEATHERPROOF Leica L MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Angle-Of-View

4.1°114°
23-75°
ANGLE OF VIEW OF WEATHERPROOF Leica L MOUNT RECTILINEAR LENSES WITH Full-Frame+ COVERAGE

Maximum Aperture

1.25.6
2.8
MAXIMUM APERTURE OF WEATHERPROOF Leica L MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Viewing Angle Range

Sigma 28-105mm F/2.8

Maximum Aperture

Compared to other Leica L Full-Frame lenses.
23-75°
Max F/2.8

Magnification

0.06X5X
0.32X
MAGNIFICATION OF Leica L MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Weight

155g2495g
995g
WEIGHT OF WEATHERPROOF Leica L MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Sigma A 28-105mm F/2.8 DG DN Specifications

Brand Sigma Model A 28-105mm F/2.8 DG DN
Mount Max FLM 1X
Focal Range 28 - 105mm View Angle 75 - 23°
Max ApertureF/2.8Min ApertureF/22
Min Focus40cmMagnification0.32X
Filter Size82mm Aperture Blades12
Size (D x L)88 x 160mm Weight995g
TiltN / A ShiftN / A
Stabilization ProtectionWeatherproof
Zoom Drive Mechanic Focus Drive AF with MF Switch
Zoom Mechanism External Focus Mechanism Internal
Hood Bayonet Focus Motor Internal
Perspective RectilinearIntroduced2024-09-05
Features

Declickable Aperture-Ring. 2 AF-L Buttons.

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Sigma 28-105mm F/2.8 Facts

Sigma A 28-105mm F/2.8 DG DN
Weatherproof - Seals protect from dust, humidity and light splashing.Weatherproof - Seals protect from dust, humidity and light splashing.Zoom LensZoom LensRectilinear are normal lenses that show straight lines as straight lines.Rectilinear are normal lenses that show straight lines as straight lines.Thread size in milimeters for screw-on filters.Thread size in milimeters for screw-on filters.82Autofocus LensAutofocus Lens
28-105mm Focal-Range F/2.8 Constant Aperture
82mm Filter Thread AF with MF Switch
Leica L Mount Full-Frame Coverage
995g Lens Weight 88 x 160mm (D x L)
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