Canon PowerShot G1 Bedienungsanleitung PDF herunterladen (Seite 3)

Lens know-how

You’ll experience our 75-year optical heritage in every Canon lens.

Our name is synonymous with imaging innovation and we

continually evolve ever-more compact optics that produce

ever-greater clarity and sharpness.

The lenses in Canon’s digital compact cameras share many of the

same design and manufacturing processes that are used to develop

our professional broadcast and EF lens range. A range trusted by

millions of professionals around the world.

I-cut lens D-cut UA lens UD lens (SX50 HS)

Taken with IS Taken without IS

Advanced performance optics

From Canon’s first 50x zoom of the PowerShot SX50 HS to the f/1.8

aperture of the PowerShot G15, Canon’s advanced performance range

represents the very best in compact lens technology and quality.

The use of special lens materials such as UA (Ultra high refractive index

Aspherical) and UD (Ultra low Dispersion) lenses contribute significantly

to size reduction and higher performance of Canon’s compact cameras,

enabling compactness without compromising on image quality. Each

camera benefits from having a fixed retractable lens with a practical

zoom range that’s ideal for capturing a range of subjects.

Focus and zoom mechanisms are also continuously evolving. For the

PowerShot G15, Canon developed a focusing-lens unit that shifts

independently. By further optimising the mechanism and AF

algorithm, the focusing drive speed is approximately 6.3-times faster

than the PowerShot G12 to create accurate AF which is the fastest in

Canon history*

PowerShot G and S series cameras have an optical 3-stop ND filter

built into the lens so you can shoot using wider apertures in bright

light or achieve a slower shutter speed – to capture the movement of

water seascapes for example – giving you real range of creative

freedom and expression.

A clear vision

Each camera includes a highly effective optical Image Stabilizer (IS)

to combat blur from camera shake. It uses tiny vibration gyros to

detect camera movements, and shifts an optical element in the lens

to counteract the movement of the camera - by up to 4.5-stops in the

PowerShot SX50 HS. In effect, this means you can shoot at a shutter

speed 4.5-stops slower than would otherwise be necessary to obtain

a sharp shot.

Each model includes Intelligent IS which selects the best IS mode to

correct different types of camera shake. For example, all models

feature Hybrid IS: a technology first used in the Canon EF 100mm

f/2.8L Macro IS USM lens to correct the vertical ‘shift-shake’, which

most likely occurs during Macro photography at close distances.

Alternatively, when using the zoom while shooting movies, Powered IS

corrects exaggerated movements that can occur when using the full

extent of the zoom.

Our pioneering vision

* For Canon compact digital cameras. CIPA compliant.

As of July 6, 2012. A Canon survey.

Use of UA and

UD lens elements

contributes

significantly to

size reduction

and the higher

performance

of cameras

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