Sigma A 28-45mmm F/1.8 DG DN Lens
For Sony E 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 28-45mmm F/1.8 DG DN is a wide to normal zoom designed for cameras with a Full-Frame sensor. This ultra-bright constant-aperture zoom covers a 28 to 45mm focal-range.

This 2X zoom lens focuses down to 30cm from the imaging plane, capturing subject with a maximum 0.25X 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 960g. 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 Sony E mount. It directly attaches and is fully compatible with all Sony E mount cameras with Full-Frame or smaller sensors. Sigma also makes this lens for Leica L mount.

Sigma A 28-45mmm F/1.8 DG DN
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Sigma A 28-45mmm F/1.8 DG DN

Focal-Range

11mm800mm
28-45mm
FOCAL-RANGE OF WEATHERPROOF Sony E MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Angle-Of-View

3.1°117°
51-75°
ANGLE OF VIEW OF WEATHERPROOF Sony E MOUNT RECTILINEAR LENSES WITH Full-Frame+ COVERAGE

Maximum Aperture

1.26.3
1.8
MAXIMUM APERTURE OF WEATHERPROOF Sony E MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Viewing Angle Range

Sigma 28-45mm F/1.8

Maximum Aperture

Compared to other Sony E Full-Frame lenses.
51-75°
Max F/1.8

Magnification

0.06X5X
0.25X
MAGNIFICATION OF Sony E MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Weight

120g3985g
960g
WEIGHT OF WEATHERPROOF Sony E MOUNT LENSES WITH AT LEAST Full-Frame COVERAGE

Sigma A 28-45mmm F/1.8 DG DN Specifications

Brand Sigma Model A 28-45mmm F/1.8 DG DN
Mount Max FLM 1X
Focal Range 28 - 45mm View Angle 75 - 51°
Max ApertureF/1.8Min ApertureF/16
Min Focus30cmMagnification0.25X
Filter Size82mm Aperture Blades11
Size (D x L)88 x 154mm Weight960g
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 RectilinearIntroduced2024-06-03
Features

2 Customizable Buttons, Declickable Aperture Ring

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Sigma 28-45mm F/1.8 Facts

Sigma A 28-45mmm F/1.8 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
28-45mm Focal-Range F/1.8 Constant Aperture
82mm Filter Thread AF with MF Switch
Sony E Mount Full-Frame Coverage
960g Lens Weight 88 x 154mm (D x L)
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