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What is the 'Orb Zone'?
If you were to take a photo
in a dark room, not every particle of dust would be
photographed as an 'orb'. Similarly if you use a
torch or camera to see dust at home - as described in
the
dust section - you won't see all the dust in
the room, just the particles of dust closest to the
light.
The 'orb zone' is the
physical area in front of the camera where these
particles of dust are photographed as orbs. Yes,
you've guessed right that the Orb Zone is defined by
'the area close enough to the flash' for the dust to be
'seen'. But there are other factors involved.
Below is a diagram of an
'orb zone' in front of a camera. Click on the
image to see it in a larger size:
Don't be put off! We
will go into greater detail into what this all means for
those who are not so familiar with camera technology.
Next Questions:
- Why can't dust be seen a
few centimetres in front of the lens?
- Why can't dust be
seen further than a few
centimetres
from the lens?
- Why is dust so big and
out-of-focus between these points?
- Why doesn't all dust
appear on camera between these points? |
