Portrait Photography

What makesthis system moreadvanced than theothers
mentionedisadatabaseofmanyimagestakeninahuge
variety of lighting conditions, which is stored on the
camera.Thecamera’sinternalprocessorwillthenusethis
informationtodeterminethetypeofimage thatisbeing
takenbythephotographer;thiswillthenaffectthereading
given.

With Flash

The camera metering system becomes redundant when
shootinginthestudio,astheflashsystemwillneedtobe
metered independently.

READING THE HISTOGRAM

Readingthe histogramcan beaveryusefultool when

tryingtometeranimagecorrectly,andshouldbeviewed

in conjunctionwith the meteringsystems asexplained

here.

Thehistograminitssimplestformisarecordofallthe

tonalrangescapturedbythecameraandhowtheyare

distributed.Onthefarleft-handsideofthehistogramthe

levelsofabsoluteblack(avalueof0)arerecorded,and

onthefarrightarethelevelsofabsolutewhite(avalueof

255).Inbetweenthesetwopointswillbevaryingdegrees

of tones of grey. The height of the histogram at any

particularpointisarepresentationofthenumberofpixels

of that specific tonal value.