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Sigma 90mm F2.8 DG DN C lens - Sony E

Name: Sigma 90mm F2.8 DG DN C lens - Sony E
Brand: Sigma
SKU: 85126261658
Price: 549.0 GBP
Availability: OutOfStock

SigmaSKU: 85126261658

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£549.00

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Sigma 90mm F2.8 DG DN C lens - Sony E

The Sony E-mount 90mm f/2.8 DG DN Contemporary Lens from Sigma is a short-telephoto prime with the impressive optical performance. It is well-suited for portraiture and selective everyday shooting and offers a fast f/2.8 aperture for controlling depth of field and working in less-than-ideal light.

This lens includes an aspherical element and five special low-dispersion elements to control a variety of aberrations and achieve notable sharpness and clarity. The lens incorporates a manual aperture ring for enhanced tactility and also featured is a stepping motor for quick and quiet AF performance. A rounded nine-blade diaphragm lets you achieve a pleasingly smooth bokeh, and the lens's all-metal body is weather-sealed to suit working in inclement conditions.

As part of the Contemporary line within Sigma's Global Vision series, this lens is designed to achieve a balance between convenience and performance and meshes a compact, lightweight build and versatile handling with notable optical attributes.
I-series lens emphasizes a sleek and stylish physical design that is built to the same operational standards of Sigma's Cine lenses, including a mechanical aperture ring, knurled metal components, and various switches and tactile controls for intuitive operation.

Short-telephoto 90mm lens is designed for full-frame Sony E-mount mirrorless cameras, however, can also be used with APS-C models where it provides a 135mm equivalent focal length.

Five Special Low Dispersion (SLD) elements markedly reduce chromatic aberrations and colour fringing for improved clarity and colour accuracy.

One aspherical element helps to control distortion and spherical aberrations for a high degree of sharpness and accurate rendering.

The integrated stepping motor realizes smooth and quiet autofocus, which is further complemented by an internal focusing design to promote greater responsiveness.

Manual aperture ring includes an 'A' position for camera-based aperture selection.
Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.

Brass bayonet affords improved mounting accuracy and rigidity and rubber sealing is incorporated in the mount's design to render it dust- and splash-resistant.

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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.