Product Image of Sigma AF 16-28mm F2.8 DG DN Contemporary L mount Lens

Sigma AF 16-28mm F2.8 DG DN Contemporary L mount Lens

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Sigma AF 16-28mm F2.8 DG DN Contemporary L mount Lens

Name: Sigma AF 16-28mm F2.8 DG DN Contemporary L mount Lens
Brand: Sigma
SKU: 0085126206697
Price: 799.0 GBP
Availability: InStock

SigmaSKU: 0085126206697

Price:

£799.00

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In stock (7 units), ready to be shipped

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Sigma AF 16-28mm F2.8 DG DN Contemporary L mount Lens

Full-Frame Format f/2.8 to f/22
Stepping AF Motor
Internal Focus and Zoom Design
Weather-Sealed Construction
Rounded 9-Blade Diaphragm
Compatible with Sigma UD-11 USB Dock

The Sigma 16-28mm f/2.8 DG DN Contemporary Lens is a compact, high-performance ultrawide zoom meant to compliment a photographer's arsenal by providing a versatile range of focal lengths in a small and lightweight package, without compromising on optical quality. A fast f/2.8 constant aperture allows for the use of faster shutter speeds in low-light scenarios as well as being especially useful for closeup shots thanks to its shallow depth of field.

This lens utilizes a complex arrangement of specialized aspherical and low dispersion glass elements to effectively suppress chromatic aberrations for improved clarity and colour accuracy. Super Multi-Layer and Nano Porous Coatings have also been applied to improve contrast and colour rendering by reducing lens flare and ghosting when working in strong lighting conditions.

The inner zoom & focus mechanism keeps the dimensions of the lens constant throughout the zoom range and at all focus distances. This design feature allows for almost no balance point shift and a fixed front element, making it an ideal instrument for videography, travel, and landscape photography.


Аnglе Оf Vіеw	107°–75.4°
Ареrturе Вlаdеѕ	9
Еnlаrgеmеnt Rаtіо	1:5.6
Fіltеr Тhrеаd [mm]	72
Fосаl Lеngth ~ Теlе [mm]	28
Fосаl Lеngth ~ Wіdе [mm]	16
Нооd Моdеl	LН756-01
Іnсludеd Ассеѕѕоrіеѕ	Frоnt сар (LСF-72 ІІІ), Реtаl-tуре lеnѕ hооd (LН756-01), Rеаr Сар LСR ІІ (L-Моunt)
Lеnѕ Еlеmеntѕ	16
Lеnѕ Grоuрѕ	11
Lеnѕ Моunt	L-Моunt
Lеnѕ Туре	Wіdе-аnglе Zооm
Мах Ареrturе ~ Теlе	2.8
Мах Ареrturе ~ Wіdе	2.8
Міnіmum Ареrturе	22
Міnіmum Fосuѕ Dіѕtаnсе [m]	0.25
Ѕіzе	77.2mm х 100.6mm
Wеіght [g]	450

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Understanding: Aperture

Aperture is the opening in a camera lens that controls how much light enters the camera. It's measured in f-stops like f/2.8 or f/8. Lower f-stop numbers mean wider openings, letting in more light and creating a shallow depth of field (blurry background). Higher f-stop numbers mean smaller openings, letting in less light and creating a larger depth of field (more of the scene in focus). Aperture also affects the quality of out-of-focus areas in the image (bokeh).

Understanding: Lens Types

Different lenses have different purposes to achieve different styles of images, some popular ones include:
Prime Lens: Fixed focal length, sharp images, great for portraits and dark settings.
Zoom Lens: Variable focal length, versatile for different shots and everyday use..
Wide-Angle Lens: Captures wide scenes like landscapes.
Telephoto Lens: Magnifies distant subjects, ideal for sports & wildlife.
Macro Lens: Perfect for close-up photography of small subjects.
Fisheye Lens: Ultra-wide perspective, creates unique images.

Understanding: Lens Mounts

Different camera brands use different lens mounts, which are like connectors that attach lenses to camera bodies. Each mount is specific to a particular brand and camera series. For example, Canon uses the EF and RF mounts, Nikon uses the F mount, Sony uses the E mount for its mirrorless cameras. These mounts dictate which lenses are compatible with which cameras. Some brands offer adapters to use lenses from other systems, but it's essential to ensure compatibility for proper functionality and autofocus performance.

Understanding: Manual and Autofocus

Manual focus and autofocus are two ways to adjust the sharpness of a camera lens. With manual focus, you turn a ring on the lens to bring the subject into focus yourself, giving you full control over what appears sharp in the image. Autofocus, on the other hand, relies on the camera's built-in technology to automatically adjust the focus for you, usually by detecting contrast or phase differences in the scene. Autofocus can be convenient, especially for fast-moving subjects or when you need to capture a quick shot, whereas manual focus allows for precise adjustments and creative control over the final image.