Ikelite DS51 User Manual page 7

E E X X P P O O S S U U R R E E G G U U I I D D E E
Due to the loss of color when light passes through water move closer to your subject
to photograph thru as little water as possible
N N o o t t e e : : The maximum recommended lighting distance underwater with any brand
strobe is m ( ') Shooting a subject at a greater distance underwater will usually
create bluish silhouette type images
E E X X P P O O S S U U R R E E L L A A B B E E L L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
The exposure label information is primarily intended for use with traditional film
cameras since digital still cameras may require less light for proper exposure The
exposure label is compatible with TTL/auto and manual modes and references the
DS strobe output without the diffuser installed
F I L M I S O R A T I N G
25 50 100 200 400 800
2.8
2.8 4 5.6
2.8 4 5.6
2.8 4 5.6 8
4 5.6 8 11
5.6 8 11 16
8 11 16 22
11 16 22
25 50 100 200 400 800
S U B S T R O B E D S 5 1
O u t p u t i s 1 / 2 s t o p g r e a t e r t h a n s h o w n i n c h a r t
T T T T L L / / a a u u t t o o M M o o d d e e e e x x a a m m p p l l e e :
If you select f with ISO film you can shoot subjects up to
If you select f with ISO film you can shoot subjects up to
however Ikelite recommends shooting subjects no farther than
underwater
M M a a n n u u a a l l M M o o d d e e e e x x a a m m p p l l e e :
If you select f with ISO film the subject should be
exposure as indicated by the letter M M
C C A A M M E E R R A A A A P P E E R R T T U U R R E E _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
For balanced lighting between your subject and the background meter the
available light and set the camera aperture accordingly Using a narrower aperture
darkens the background A wider aperture lightens the background and may over expose
the photograph
1 2 8 16ft
4
..........
4 5.6 M
..........
8 M
..........
8 11
M
..........
11 16
M
..........
16 22
M
..........
22
M
........
M
.....
M
0 . 3 0 . 6 1.2 2.5 5 m
D I S TA N C E
m (
m ( ') away;
m ( ') away
m ( ') away for proper
D D I I F F F F U U S S E E R R
U U S S I I N N G G T T H H E E D D I I F F F F U U S S E E R R _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
The white diffuser can be secured to the front of the DS
or a coverage angle of up to
The diffuser reduces the DS 's light intensity by one full f stop When the diffuser
is secured to the strobe refer to the exposure guide information on page
the number by one
For the TTL/auto mode example with a film ISO rating of
to f without the diffuser you can shoot subjects up to
page If you add the diffuser to the strobe with the camera set at f
film you must reference one number greater than f
number is f meaning you can shoot subjects up to
D D I I F F F F U U S S E E R R I I N N S S T T A A L L L L A A T T I I O O N N A A N N D D R R E E M M O O V V A A L L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
The white diffuser features two protruding tabs for use in installation and
removal The tabs on the diffuser should be positioned away from the strobe
Place the diffuser over the front of the strobe Spread the two tabs apart insert
the diffuser into the recessed front and then rotate the diffuser until it locks
into position
To remove the diffuser bend one tab out towards the edge while lifting
simultaneously
A lanyard can be attached to the diffuser by threading it through the two circular
openings near its edge
') away
strobe when softer lighting
° is desired
if you set your camera
m ( ') away as stated on
in the chart In this case that
m ( ') away
Tab
Push and
Lift to Remove
Holes for
Lanyard
Tab
and increase
and using ISO