Canon EF-S 17-55mm f2.8 IS USM Lens - Product Photo 1 - Side View with emphasis on the focus controls and glass components

Canon EF-S 17-55mm f2.8 IS USM Lens - Product Photo 2 - Side view, with emphasis on the glass components

Canon EF-S 17-55mm f2.8 IS USM Lens - Product Photo 3 - Example of the zoom capability

Canon EF-S 17-55mm f2.8 IS USM Lens - Product Photo 4 - High Quality and Detail shot of the lens with a side on perspective

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Canon EF-S 17-55mm f2.8 IS USM Lens

Name: Canon EF-S 17-55mm f2.8 IS USM Lens
Brand: Canon
SKU: 4960999354798
Price: 939.99 GBP
Availability: InStock

CanonSKU: 4960999354798

Price:

£939.99

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Stock:

In stock (2 units), ready to be shipped

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Canon EF-S 17-55mm f2.8 IS USM Lens

Wide angle zoom for EF-S mount bodies
f/2.8 aperture throughout zoom range
3-stop Image Stabilizer
Fast, quiet auto focus
Super Spectra coating
Circular aperture for pleasing background blur
Passes distance information to E-TTL II
Optional lens hood

With an effective focal length range of approximately 27-88mm (35 mm equivalent), the EF-S 17-55mm f/2.8 IS USM is a powerful lens that delivers remarkable image quality. The wide-angle zoom allows you to capture more of every scene and add a new sense of space and perspective to your photography.

Fixed aperture

The large f/2.8 aperture provides excellent results in low light conditions. The aperture remains constant through the full focal length range, allowing you to zoom from approximately 27-88mm (35 mm equivalent) without slowing shutter speed.

Pleasing background blur

A circular aperture provides a pleasing background blur when shooting with a wide aperture; ideal for creating a sense of depth and isolating your subject from the background.

Image Stabilizer

The EF-S 17-55mm f/2.8 IS USM features Canons 3-stop Image Stabilizer (IS). Ideal for handheld work, IS allows the use of shutter speeds up to 3 stops slower with no perceptible increase in image blur. IS helps with low light conditions, fast-paced scenes and shooting from moving vehicles.

Fast, quiet autofocus

A ring USM (Ultrasonic motor) uses ultrasonic frequency vibrations to drive responsive, near-silent high-speed autofocus. Good holding torque stops the focusing lens group with precision without overshoot. Full-time manual focus override is available without having to switch out of AF.

Super Spectra coatings

Optimised Super Spectra lens coatings and lens element shaping suppress flare and ghosting - more prone to occur with digital cameras due to reflection off the image sensor. Coatings also help achieve true colour balance and increase contrast for vivid hi-fidelity images.

Passes distance information to E-TTL II

The lens passes distance information back to the cameras E-TTL II flash system to ensure optimal flash metering in any shooting situation.

For full specifications click Here

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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.