Sony alpha 700 User Manual download pdf (Page 5)

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100mm F2.8 Macro (SAL100M28), A mode, F4.5 (1/10 sec,), +1.0EV, ISO 100, White balance: Daylight

Improved accuracy with moving subjects and large-aperture lenses

The new Sony-developed centre dual cross 11-point AF sensor system signiﬁ cantly boosts

autofocus accuracy and speed to ensure fewer missed shots. The 11-point layout allows

great freedom in framing subjects, while the system’s quick response heightens accuracy

when shooting moving subjects. In addition to the dual cross sensor, a dedicated new sensor

signiﬁ cantly boosts focusing precision when shooting at apertures of F2.8 or wider.

Faster, more precise 11- point autofocus system

The 11-point layout makes it easy to focus

on the subject’s eyes when taking vertically

oriented portrait photos. It also provides

excellent coverage for quick, precise

focus with moving subjects.

AF sensor layout

AF sensor

AF sensor for F2.8 aperture or larger

Focusing options to suit your shooting style

New AF/MF button for easy focus

mode switching

The key to easy, responsive focusing is the ability to

switch seamlessly between auto (AF) and manual

(MF) operation. The features a focus drive clutch

mechanism that allows rapid switching between focus

modes simply by pressing the new AF/MF button on

the back of the camera. Operation is intuitive: there’s

no need to alter your grip or take your eye from the

viewﬁ nder. A dial on the front of the camera body

gives easy access to four focusing modes: Manual

Focus (MF), Single AF (AF-S), Continuous AF (AF-C),

and an Auto AF (AF-A) mode that automatically

switches from single AF to continuous AF when the

system detects that a subject is moving. Combining

AF/MF button switching with your preferred high-

speed, high-precision AF mode ensures accurate

and responsive focusing in virtually any situation.

The AF illuminator on the front of the camera has a range of up

to 7 metres, providing supplementary illumination for accurate

autofocusing when ambient light or subject contrast is low.

4 Focus Modes

S: Single AF

A: Auto AF

C: Continuous AF

M: Manual focus

When the AF/MF button is pressed, it switches focus modes

by toggling the position of the focus clutch. The button can

be customised to switch focus modes each time the button

is pressed, or to switch modes only while the button is pressed.

Bright, clear viewﬁ nder for easy focusing

The bright, clear viewﬁ nder features a precision-

ground optical glass pentaprism and a high refractive

index eyepiece lens, treated with an anti-reﬂ ective

coating to help prevent ghosting. Exclusive to Sony,

the spherical acute matte focusing screen ensures

high viewﬁ nder brightness: it also aids manual

focusing by making it easy to identify the correct

focus point.

Eye-Start

AF activation

Autofocus is normally activated in a digital SLR

camera by pressing the shutter button half-way down.

However the Sony Eye-Start

system automatically

activates AF as soon as the viewﬁ nder is raised to your

eye. This means you’re ready to start shooting sooner…

and capitalise on every photo opportunity.

Optical glass pentaprism

AF illuminatorEye-Start

eyepiece sensor

Spherical acute matte

AF/MF button and focus clutch mechanism

AF motor

Charging motor

Timing belt

Clutch gear

AF drive coupler

MF in manual focus modeAF in autofocus modes

Clutch gear

Cam gear

Superb response

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Sony alpha 700 User Manual Page 5

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