Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

Download Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

Post on 06-Apr-2018

216 views

Category:

Documents

0 download

Embed Size (px)

TRANSCRIPT

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    1/8

    ColorCorrectlyrenderthe

    mostdifcultlighting

    DetailEnoughfornalcrop

    OpticsTocaptureeverydetail

    From the labOpticaland

    digitalperformance

    H3DII-39,HTS1.5,HCD28

    Movingbeyond35mmDSLR

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    2/8

    H3DII-39,HTS1.5withHCD28mm,ISO50.

    H3DII-50,HTS1.5withHCD28mm,ISO50.Pictureiscroppedtoreduceimageheight(non-proportional).

    H3DII-31

    ISO100

    Canon

    ISO100

    Nikon

    ISO100

    H3DII-31

    ISO100

    H3DII-31

    ISO800

    Canon

    ISO800

    NikonD3X,NikkorTS24,ISO100.

    ThecolorsfromtheH3DII-31are

    renderedcorrectlyatallISOset-

    tings.ThecolorsfromtheCanon

    andNikoncamerasshowaclear

    colorshiftinseveralcolors.

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    3/8

    NikonD3X,NikkorTS24,ISO100.

    Taking colors further

    TheimageshotwiththeNikoncamera,showssomeunnaturalsatura-

    tionwhereastheH3DIIimageshowtheoriginalcolorsofthescene.

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    4/8

    H3DII-39,

    HTS1.5,

    HCD28,

    f/16.

    NikonD3X,TS-24mm,F/11.H3DII-39,HTS1.5,HCD28,f/16.

    DACcorrected.

    NikonD3X,

    TS-24mm,

    F/11.

    TheH3DIIimage

    hasdetailallover

    theimageareaand

    thankstotheauto-

    maticDigitalLens

    Correctionin

    Phocus,thereisno

    visiblechromatic

    aberrationordistor-

    tionintheimage.

    TheNikonimage

    hasclearlyless

    detailandalsoshow

    someheavychro-

    maticaberration

    whichcannoteasily

    becorrectedforas

    itisnotsymmetrical

    whenthelensis

    shifted.

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    5/8

    MTFdiagramforHCD28mmandHTS1.5atf/6.3.

    (10,2040lp/mm)

    EdgedetailfromtesttargetimageshotwithH3DII-39using

    HCD28mm+HTS1.5atf/6.3.Areaisindicatedwithared

    boxinthetesttargetimagebelow

    EdgedetailfromimageshotwithNikonD3XusingTS-24mm

    atf/5.6.Areaisindicatedwitharedboxinthetesttarget

    imagebelow.

    20 30 40100

    100

    80

    60

    40

    20

    0

    Distance from Center [mm]

    MTF[%]

    0 6 12 18 24 30

    Distance from Center [mm]

    MTF[%]

    Actualtesttarget(100cm75cm)andsampleMTFdiagram.

    TheMTFdiagramshowsthelensperformancefromthecenteroftheimagetotheedgeasindicatedbythetwoyellowdottedlines.

    f/11

    20 30 40100

    100

    80

    60

    40

    20

    0

    Distance from center [mm]

    MTF[%]

    Taking details further

    MTFdiagramforNikkorTS-24mmatf/3.5.

    (15,3060lp/mm)

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    6/8

    Thephotoonthispagewasshotwitha

    state-of-theart35mmDSLRsystem

    comprisinga21.1megapixelbodyand

    af1.2/50mmlensatISO100.

    Theaperturestoppeddowntof2.0.

    Therenditionoflowcontrast

    detailinthecorneroftheimage

    issufferingfromthegeneraldrop

    incontrastneartheedgeof

    theimagecircle.

    Theeasilyvisibleredfringerunning

    alongthelineoftheshoulderproves

    thatcontrastofnedetailisun-

    doubtedlycompromisedbylateral

    chromaticaberration.

    Sharpnessisntjustcompromised

    neartheedgesoftheimage.Theanti-

    aliasinglterinfrontofthesensoris

    placinganupperlimitontheresolu-

    tionoflensandsensorcombined.

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    7/8

    Lateralchromaticaberrationisnot

    anissuewiththeHasselbladlens.

    Theadvantageofahigherresolu-

    tionsensorcontinuestobevisible

    evennearthecornersoftheimage,

    duetomuchbetteredgesharpness

    oftheHasselbladlens.

    Thehighcontrastofnedetail

    thatthelensdeliverscanbefully

    exploitedasthereisnoanti-aliasing

    lterlimitingtheresolution.Moir

    artifactsareeliminatedbythemoir

    toolinPhocus.

    ExtractfromVictor2008PhotokinaSpecialarticle...Thebiggerthebetter

    Thephotoonthispagewasshotwith

    anH3DII-31withanHC80mmlensat

    ISO100.Theaperturewasstopped

    downtof2.8toobtainthesamedepth

    offieldasthe35mmDSLRsystems.

  • 8/3/2019 Moving beyond 35mm DSLR - Taking Photography Further with Hasselblad

    8/8

    Latest from the lab

    FullautomaticDigitalLensCorrectionsupportforallHC/HCDlenses

    FullDigitalLensCorrectionsupportforallCarlZeissCtypelenses(VSystem/HSystem+CFadapter)

    FullDigitalLensCorrectionsupportforallCarlZeissF/FElenses(VSystem)

    Larger sensors and higher resolution

    Medium-formatCCDsaremorethantwiceaslarge

    as35mmsensors.

    More well-defined depth of field

    Duetothelargersensor,aMediumFormatcamera

    producesashorterdepthoffieldatthesameaperture,thana35

    mmDSLR.E.g.f/2,8ona3648mmformatproducesthesamedepthoffieldasf/2on2436mmformat.

    Thesamediameterofapertureormorecorrectly,theentrance

    pupil1producesthesamedepthoffieldonbothformats

    Thelargerformatrequiresalongerfocallengthforthesamefield

    ofview

    Thef-number=focallength/diameterofentrancepupil:Same

    diametergivesahigherf-numberonthelargerformat

    Thelargerf-numberreducesaberrationsandproducesahigher

    imagequality

    Larger and brighter viewfinder image

    Comparedtoa35mmDSLR,theHasselbladview-nderimageissignicantlylargerandbrighter.

    H4D-60: 53.7 40.2 mm

    H3DII-39/50: 49.1 36.8 mm

    H3DII-31: 44.2 33.1 mm

    35 mm DSLR: 36 24 mm

    Fundamentaladvantages

    www.hasselblad.com

    1 Entrance pupil: The aperture viewed from the front of the lens.