α77 Brochure
70-400mmF4-5.6GSSM
(
SAL70400G
)
,ContinuousAdvancePriorityAE,1/4000sec.,F5.6,ISO1250,Autowhitebalance
Cross sensors
AFsensors
Easy operation even during manual focusing
The camera quickly and comfortably meets
your needs during both auto and manual
focusing. Prompt switching between
autofocusing and manual focusing is
assimpleaspressingtheAF/MFbutton.
ManualfocusingisaidedbyaFocus
Magnifier function that provides up to 11.7x
magnification of the image at the press of
abutton,andDirectManualFocus
(
DMF
)
settings are selectable during autofocusing.
AnAFMicroAdjustmentfunctionalsoallows
minute manual adjustment of focusing
distance, along with registration of up to 30
sets of lens adjustment settings.
19-point AF system with 11 cross sensors
The phase-detection autofocusing system
spreads19AFsensorsoverawideAF
area to increase your framing freedom
andkeepmovingsubjectsinfocus.It
includes 11 cross sensors that deliver more
accurate and reliable tracking than sensors
with only vertical or horizontal detection
canachieve.Additionally,theAFsystem
improves autofocusing performance in
low light conditions to ensure precision
focusing wherever and whenever you
shoot. Depending on your needs, you can
selectoneoffourAFareamodes:Wide
(
all 19 sensors
)
, Spot
(
central sensor
)
,
Local
(
any selected sensor
)
, or Zone
(
right,
center, or left zone
)
.FourAFmodesarealso
selectablefromthefocusmodedial:AF-A
(
Auto
)
,AF-C
(
Continuous
)
,AF-S
(
Single shot
)
andManual.InadditiontoAF
(
AutoFocus
)
,
thecameraalsoprovidesDMF
(
Direct
ManualFocus
)
and Manual focus modes.
Object Tracking Focus
Various advances come together in the
a77 to enable swift, accurate tracking of
fast-moving subjects. Once you designate
your subject on the viewfinder or rear LCD,
TrackingFocusutilizespowerfulpredictive
focusingalgorithmsandSony’soriginal
subject recognition technologies to track
yoursubject’severymovewithspeedand
precision. This performance is supported by
blazing-fastBIONZ
®
image processing and
19 autofocusing points that are spread
over a wide area to better keep moving
subjects in focus.
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