8 3 August 2019I http://www.amateurphotographer.co.ukI subscribe 0330 333 1113Battery
life
Thecameraaccepts
NP-FZ100batteries.Sonysays
530 shotscanbetakenusing
theEVFor 670shotsusing
therearscreenbefore
a recharge.Sony Alpha 7R IV
MichaelTophaminspects thefirstfull-framemirrorlesscamera to boast a 61MP sensorJUSTLAUNCHED,
theSonyAlpha7R
IVis oneof themost
significantcamerareleases
we’veseensofarthisyear.It
enterstheAlpharangewitha raft
of improvementsandnewfeaturesthat’ll
bewellreceivedbythosewhowantan
accomplishedall-roundersuitableforall
typesof photography.However,it’sthe
newfull-frame61MPback-illuminated
ExmorR CMOSsensoranditsabilityto
capturea mesmerisinglevelof detail
that’s got photographers most excited.Ataglance£3,500bodyonly
■61MPfull-frameCMOS
sensor(35.7x 23.8mm)
■ISO100-32,
(expandableto
ISO50-102,400)
■10fpsburstshooting
■5.76-million-dotEVF
■3in,1.44-million-dot
tilt-anglescreen
■4K/30fpsvideo
■DualUHS-IISD
card slotsVideo
TheA7RIV shoots4K
videoat30/24pandFull
HDvideoatupto120p.The
HDMIoutputis 8-bitand
there’snointernal
10-bitsupport.Shutter
Theshutterunithasbeen
reliabilitytestedforupto
500,000cyclesandfeatures
newdamperstoreduce
shutternoiseand
minimisevibration.Sealing
TheA7RIV’sweather
sealshavebeenimproved
throughoutthebody,including
additionalsealingaround
theconnectorsand
mediacover.compressedraws)canbeshotat 10fps,
whichincreasesto 200whenAPS-Ccrop
modeis deployed.Thisproduces26.2MP
imagesandcanbecustomisedto a
functionbuttonforone-clickoperation.
Thereare 567 phase-detectionAF
pointscovering74%of theimagearea
supportedby 425 contrast-detection
points.Sony’sfabulousReal-timeEyeAF
carriesacrosstotheA7RIVandit can
nowbeusedwhilstrecordingvideo.
In addition,there’sa PixelShiftMulti
Shootingmodethatcompositesupto 16
full-resolutionimages.Thefinaloutputis
a colossal240.8MP(19008x
pixel)image,butitsuseis limitedto
non-movingsubjects.
Anotherfirstis theA7RIV’swirelessPC
remoteconnectivitythatsupportswireless
tetheringshooting.Sonysaysthishas
beenimplementedtosatisfyprofessional
users’requestsforbetterfreedomin the
studioandonhigh-endlocationshoots.
Featuresthatcarryacrossfromthe
A7RIII includein-bodyimagestabilisation
that’seffectiveto5.5stops,a PCsync
flashsocketandhigh-speedUSB-Cport
thatsupportsfastwireddatatransmission
aswellasin-camerabatterycharging.
TherearetwinSDcardslots;however
botharenowUHS-IIcompatibleandslot
1 hasbeenmovedtothetoptomakeit
morelogical.TheA7RIV’sMultiInterface
Shoeis alsocompatiblewithSony’snew
state-of-the-art ECM-B1M microphone.Features
AtitshearttheA7RIVcombinesthe
world’sfirst61.0MPback-illuminated
full-framesensorwithSony’slatest-
generationBionzX imageprocessorand
front-endLSI.Thispromises 15 stopsof
dynamicrangeat thelowendof theISO
100-32,000range(whichis expandable
to ISO50-102,400).TheA7RIVshoots
a continuousburstat 10fpsforupto
sevensecondswithfullAF/AEtracking
usingitsrefined,low-vibrationmechanical
shutterora silentelectronicshutter.Sony
claims 68 images (Extra Fine JPEGs or