Amateur Photographer - UK (2019-08-23)

(Antfer) #1

subscribe 0330 333 1113I http://www.amateurphotographer.co.ukI 17 August 2019 47


FEATURES 9/10
BUILD& HANDLING 8/10
METERING 9/10
AUTOFOCUS 8/10
AWB& COLOUR 9/10
DYNAMICRANGE 9/10
IMAGEQUALITY 10/10
VIEWFINDER/LCD 9/10

ItshouldcomeasnosurprisetohearthattheGFX100extractsa ridiculous
amountofdetailfromourstandardtestscene.There’sbarelyanyvisible
differencein imagequalityfromISO 50 toISO400,andit’sonlyatISO 800
thatwestarttoseetheslightesthintofpixel-levelblurring.ByISO 3200
imagedegradationis moreobvious,withalmostallfinedetailblurred
awayanda generaldropin localcontrast.Butthenagain,youhave
somanypixelstoplaywiththatevenISO12,800shouldgiveperfectly
acceptable-lookingA3prints.Howevernoisehasa significantimpacton
theextendedISO settings, and I’dsteerclearofgoing above ISO 25,600.

Noise

RAWISO 50 RAW ISO 400 RAW ISO 3200


RAW ISO 12,800 RAW ISO 25,600 RAW ISO 102,400


Resolution

AtitsbaseISO 100 setting,theGFX100resolves
around8,500linesperpictureheightin ourcharttests,
comfortablysurpassingeventhebestfull-frame
models.Thisdeclinesgraduallyasthesensitivityis
raised, with over 7,400l/ph at ISO 3200.Beyondthis


thingsfallapartmuchmorerapidly,andbyISO
12,800resolutionhasdroppedtoabout6,600l/ph.The
extendedsettingsdeclineespeciallyrapidly,andatISO
102,400resolutiondropsto4,900l/ph.Butthisstill
surpassesthe best that24MPcamerascanachieve.

Thankstoits102-million-pixelmedium-formatsensor,theGFX100comprehensively
outperformsanyothercamerawe’vetestedtodate.Asexpected,it offersconsiderably
higherresolutionthananyfull-framemodel.AthighISOsettingsit alsooutperformsits50MP
medium-formatcousins,particularlywhenitshigherresolutionis takenintoaccount.Fujifilm’s
excellentin-cameraprocessinggivessuperbJPEGsdirectfromthecamera,butasalways
you’ll only be able to fully exploit the sensor’s astonishing dynamic range by shooting raw.


Lab results
AndrewSydenham’slabtestsrevealjusthowthe camera performs
Ourcamerasandlensesaretestedusingtheindustry-
standardImageEngineeringIQ-Analysersoftware.
Visit http://www.image-engineering.de for more details

It’seasyforustogetblaséaboutallthenew
camerasthatpassthroughtheAPoffice.
Whilethey’reconstantlyimproving,they
don’toftenbringsomethingcompletelynew
tothetable.However,justoccasionallyone
comesalongthatoffersa step-changein
capability,andtheGFX100is a perfect
example.It completelyredefineswhat’s
possiblein a sub-£10,000camera.
It’snotjustthejaw-droppingimagequality
thatmattershere,althoughtheresolution
anddynamicrangeareunparalleledfora
cameraof thissizeorprice.It’salsotheease
withwhichyoucantakefulladvantageof
thatastonishingsensor.Shootingwiththe
GFX100andgettinghigh-quality102MP
filesis reallynomoredifficultthanusing
oneof Fujifilm’sAPS-CX-systemmodels.
Indeedwhereultra-high-resolution
mediumformatwasoncethepreserveof
thestudio,theGFX100is perfectlyat home
onlocation.It’snotexcessivelylargeor
heavytocarryaroundandis easytoshoot
handheld,whiletheautofocusis strikingly
quickerthanthecurrentGFX50Rand50S
models.Landscapephotographersshould
findthatit’sperfectlyrealistictotreka
coupleof milescarryingthebodyandtwoor
threelensesin a backpack.
Thecamera’sbiggestdrawbacksrelateto
handling,andspecificallythetinycontrols,
mismatchedgriplayoutsanduncomfortable
portraitgrip,whichfallwellshortof what
we’dexpectfroma £10,000professional
model.Buttheseflawsbecomemore
forgivablewhenyoulookat theextraordinary
output.Thisis a nichecameraforsure,but
forphotographerscravingthemaximum
possibledetailwithoutsacrificing mobility,
it’s an absolute revelation.

Verdict

Ontherightweshowdetails
fromourresolutiontest
(above).Inthiscase,multiply
thenumberbeneaththelines
by 600 togivetheresolution
in lines per picture height.


RAW
ISO 102,400

RAW
ISO 12,800

RAW
ISO 3200

RAW
ISO 100

Recommended

Thecropsshownbelowaretaken
from the area outlined above in red

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