Fig. 2.10
Example of how Bokeh is rendered. Nikon D2xs on
a 50mm lens at ƒ1.4.Multi-Point Autofocusing
Whenusingthemulti-pointautofocusinyourcamera,the
system will decide foryou what should be in focus; in
generalthesewillbepointsclosesttothecamera.Thismay
be of benefit if you are working with larger groups of
peopleandneedtoensurethatasmuchaspossibleisin
focus.
Youmay,however,encountersomeissueswhenusingthis
systemincertainconditions,forexampleifshootingina
fieldofflowersorthroughthefoliageofatree.Ifthereis
somethingintheforegroundthecamerawillwanttofocus
on this rather thanon the subject, leaving your subject
blurredandnolongerthepointofinterest.Whenshooting
aclose-upheadshotofyoursubjectandwantingtofocus
inontheeyesyoumayfindthatusingthisparticularfocus
setting may cause the camera to settle on the nose or
foreheadrather thantheeye,asthesewillbe thepoints
closesttothecamera.Thisisobviouslynotdesirablewhen
producing portraiture of this style.
Thissystem canoverrideany creativitythephotographer
may wish to put into the image, and it is advisable
especially in a portrait scenario to change to the single
point focus, enabling you to be in complete control to
decidewhat yourpointofinterest shouldbein thefinal
image.