Zeiss Loxia 21mm F2.8 E Mount Lens for Sony Mirrorless Cameras (E-mount)

ZeissSKU: 4047865500197

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Sale price£999.00 Regular price£1,249.00

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Product Description

Zeiss Loxia 21mm F2.8 E Mount Lens for Sony Mirrorless Cameras (E-mount)

Compact and wide-angle in one

Despite its compactness, the super wide-angle ZEISS Loxia® 2.8/21 offers outstanding image performance – across the entire image field of a full-frame sensor. Whether architecture, landscape or also three-dimensional subjects in close-up against a spacious background – this focal length with its large image angle is an excellent addition to the Loxia lens family. It is an absolute must for wide-angle fans who want to capture even the tiniest details of a special moment in a photo or on film.

ZEISS Loxia lenses were specifically designed for Sony α7 cameras. This means that they can make the most of the mirrorless, full frame system, while giving you all the creative possibilities of ‘classic’ photography with manual focus at the same time.

And that’s not all: ZEISS Loxia lenses also provide everything you need to shoot high quality video, such as the unique DeClick feature for smooth adjustment of the aperture, for example.

Design

In SLR systems, when extremely large image angles are needed, the distance between the rear element and the image plane must be considerably longer than the focal length – the original field of application of Distagon lenses. This advanced retrofocus design can also be put to outstanding use in modern, highly corrected lenses with longer focal lengths.

Features

One completely new feature of the Loxia lens is that you can ‘declick’ the aperture’s locking mechanism using a tool (supplied) and an adjustment screw on the bayonet surface. This means that for video applications, you can smoothly eliminate any unwanted differences in brightness as you pan the camera. This feature can also be used with other video systems whose size makes them suitable for adaptation.

Precise manual focus

Manually focusing a lens means controlling the image result from your fingertips.
A good ergonomic design makes all the difference. ZEISS lenses stand out with their large rotation angle which enables precise focusing.

Changes are immediately visible in the viewfinder. The high-quality focusing mechanism moves smoothly without play, thus also supporting the intuitive interaction with the focal plane.

The precise engraving in meters and feet, and the depth of focus scale provide additional support for manually focusing.

Virtually distortion-free optics

Dramatic perspectives and a view from extraordinary image angles – ZEISS lenses open up new composition possibilities.

Distortion would disrupt the composition because straight lines, whose image does not go through the image centre, would be reproduced with a curved shape.

This annoying effect is accordingly and largely compensated through elaborate optical designs at all focal lengths.

High-grade full-metal casing

Tangible quality that holds its value is what qualifies ZEISS lenses for decades of hard use. A precision-engineered full-metal casing, grippy focus and aperture rings made of metal, and a tough front bayonet and filter screw guarantee stunning photographic results.

A special sealing ring on the bayonet also protects the interface between the camera and the lens.

Immensely compatible

The ZEISS Loxia lenses are suitable for use with the mirrorless Sony Alpha cameras with E-mount and were optimized for sensors up to full 35 mm format (24 x 36 mm).

With the ZEISS Loxia lenses, the aperture is controlled manually. This allowed the integration of the so-called DeClick feature of the mechanical aperture ring.

The cameras feature the corresponding automatic exposure control (A) and manual exposure control (M).

Focal length 21 mm
Aperture range f/2.8 – f/22
Focusing range 0,25 m (9.84”) – ∞ 0,25 m (9.84”) – ∞
Number of elements/groups 11 / 9
Angular field, diag./horiz./vert. 91° / 81° / 59°
Coverage at close range 281 x 187 mm (11.06 x 7.36″)
Filter thread M52 x 0,75
Dimensions (with caps) 85 mm (3.35″)
Weight 394 g (0.87 lbs)
Camera mount E-Mount

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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.

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