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Ul ate lair 1(:) a at-rere)cellale
Recording underwater is different from recording on land
Underwater
video
:
because it is affected by the clarity and depth of the water
"
light
and the light conditions. The followings are hints for good
recording underwater.
In a deep water or under rocks where direct sunlight does
not reach, recording with the underwater video light is
recommended.
aK Color characteristics underwater
;
:
To record at night, use an additional powerful underwater
video light.
Water absorbs light, especially red light, so that objects in
deep water are seen as bluish. The color of objects is
affected by the clarity of the water.
ee
ee
To record in natural color, use ae VF-M150
color filter ~>
Underwater video light
such as Sony HVL-M20/80DA
(not supplied)
(not supplied).
Best time for recording
The best recording time is from 10:00 a.m. to 2:00 p.m.
When the sun is high in the sky, optimum results can be
obtained.
Subject size underwater
Since the refractive index underwater is higher than that in
air, an object is visible by 1/4 more closely, and therefore
larger. This phenomenon affects the lens on the video
camera recorder as well as the human eye. Using a wide-
conversion lens is recommended. (You cannot attach a
wide conversion
lens to a
- F X
moder
fo use if with
this
fnarinepacky)
ira
Attachable to the left
ee
and right shoes
Camera work in slow and stable motion
When recording, keep your body stable.
An unstable shot will be magnified on the TV screen. Move
the video camera recording as slowly as possible. As most
of the object underwater move, you can record a good
program without moving the video camera recorder.
15
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