Page 1
Digital Housing
instruction manual
for
Olympus
C-740 & C-750
Housing
#6130.74
Page 2
Ikelite Digital Housing
Mode Dial
Shutter
Release
Shutter
Release
Lens Port
FRONT VIEW
BACK VIEW
Zoom
Flash
Drive
Macro
Lid
Snap
Lid
Snap
Lid
Snap
Lid
Snap
Quick
Release
Button
Rubber
Handles
Aluminum Tray
Arrow Pad
OK
Monitor
Power AE Lock
Flash
Mode
Flash
Mode Dial
Zoom
Zoom
Flash
Mode
Dial
Shutter
Release
Lens
Port
SIDE VIEW
External TTL
Strobe Connector
instruction manual
#6130.74 for Olympus C-740, C-750 Zoom
Congratulations on your purchase of an Ikelite Digital Camera
Housing. Ikelite has over 30 years of experience in the underwater
photographic and lighting market. Our products are designed and
built in the USA by Ikelite for both the professional and amateur
photographer.
The clear housing permits instant visual inspection of the camera
and all sealing surfaces as well as complete monitoring of controls
and camera LCD screens.
Ikelite Digital Housings are slightly negative in salt water for
stability. This housing has been water pressure tested at the
factory. Housing is pressure tested to 200’ (60m).
2
3
Page 3
OOppeenniinngg tthhee HHoouussiinng
Mounting
Bolt
Mounting
Tray
O'Ring
OLYMPUS
O'Ring
Hot Shoe
Connector
Hot Shoe
C
onnector
storage
Mount
OLYMPUS
Hot Shoe
Connector
Storage
Mount
(
see caution)
External Strobe Connector
W
aterproof Cap (see caution)
O'ring
H
ousing Back
Hot Shoe
Connector
C
amera
1. Lid Snaps have a
To open, push Lid Snap Lock
LLoocck
g
k
.
Push Forward
Lid Snap Lock
forward and lift as shown.
Keep pressure on the Lid
nap so it does not fly open
S
quickly.
ome lid snaps have a lot of
S
Lift
spring tension once they go over center, have a firm grip on the
lid snap. Lid Snaps may be opened one at a time.
IInnssttaalllliinngg tthhee CCaammeerra
. Remove the back from
1
a
the housing. The
mounting tray for the
camera is secured to
he housing back.
t
Position the camera on
he tray and secure it
t
with the mounting bolt
which threads into the
camera’s tripod socket.
CCAAUUTTIIOONN:
:
Some camera tripod
socket threads are
plastic. The mounting
tray bolt is metal. Do not cross thread or over tighten as you
may damage the camera tripod socket threads.
2. Pull out on each housing control until it stops. This will get the
controls out of the way for installing the camera.
4
HHoott SShhooee wwiitthh tthhee CC--77440
HHoott SShhooee CCoonnnneeccttoor
SSttoorraaggee MMoouunnt
t
0
r
The C-740 camera does
not have a hot shoe, it
s recommended that
i
the housings Hot-Shoe
be secured in the Hot
Shoe Storage Mount.
Make sure the cord
does not interfere with
he o'ring when closing
t
the housing.
HHoott SShhooee wwiitthh tthhee CC--77550
hen using an external strobe connect the housings Hot Shoe
W
0
Connector, slide the connector into the hot shoe of the camera
from the back of the camera as shown. Slide the connector
forward until it stops. This can be done after the camera is
secured with the mounting bolt.
CCaauuttiioonn:
:
DDoo nnoott ppuutt tthhee HHoott SShhooe
CCoonnnneeccttoorr iinn tthhee HHoott SShhooe
SSttoorraaggee MMoouunntt wwhheenn a
ssttrroobbee iiss ccoonnnneecctteedd.
e
e
a
.
Do not remove the External
Strobe Connector’s
waterproof cap unless an
external sync cord is going
to be plugged in.
5
CClloossiinngg tthhee HHoouussiinng
1. Place housing face down in your
g
housing back
lap.
2. Check to see that there is an
o’ring on the housing back and
that it is clean and in its proper
location.
3. Guide the back onto the housing.
The o’ring should touch the
housing all the way around. There
should be an even gap all the way
around between the housing and
the housing back.
4. Lift the lid snaps so they are
extended and place the lid snap
housing back
into the hook on the housing
back.
5. To close the housing push
down on the lid snaps until
en gap
ev
all 4 sides
they snap into place . Lid
snaps on opposite sides of the
housing should be closed at the
same time. Be sure they are down
far enough to engage the lock.
DDoouubbllee cchheecck
Check the gap between the housing back and the housing, it
should be even all the way around.
Look through the clear plastic back at the o’ring. You should see a
darkened area where the o’ring is compressed against the
housing back. If you do not see an even black compression seal
k
- Once the housing is closed, check the o’ring seal.
all the way around the back, open the lid snaps, reseat the
housing back and close the lid snaps. Visually check the seal again.
6
o’ring
o’ring
CChheecckkiinngg CCoonnttrroolls
s
Once the housing has been closed, push the controls back into
place. Make sure they line up with the camera’s controls.
ZZoooomm CCoonnttrrool
l
(NOTE:) After you have used the
housing’s zoom control it must be
returned to the center position to
disengage. If the housing zoom
control is pushing the zoom lever
in either direction you cannot
take a picture or access any other
function as the camera is
receiving a signal from the
engaged zoom control.
TTuurrnn CCaammeerraa OOn
n
Zoom control
engaged
Zoom contr
disengaged
(centered)
ol
Turn the camera on and operate each of the housing controls to
get a feel for using the camera in the housing. Take a few
pictures above water with the camera in the housing.
LLuubbrriiccaanntts
s
1. Ikelite provides silicone lubricant with the housing. We recommend
you use only Ikelite lubricant on Ikelite products as some other
brands may cause the o’ring to swell and not seal properly.
Use only enough lubricant to lightly cover control shafts and
2.
o’rings. Wipe off any excess lubricant with a clean cloth.
Lubricant is not a sealant, it is used to reduce friction. Excessive
lubricant can collect sand and dirt which may interfere with
proper sealing.
CCAAUUTTIIOON
N
NNeevveerr uussee sspprraayy lluubbrriiccaannttss aass tthhee pprrooppeellllaanntt iinnggrreeddiieenntt ccaan
ccaauussee tthhee ppllaassttiicc hhoouussiinngg ttoo ccrraacckk.
.
n
7
Page 4
DDiiffffuusseerr && DDeefflleeccttoorr IInnssttaallllaattiioon
Deflector
n
Housing shown with
deflector installed.
DDiiffffuusseerr aanndd DDeefflleeccttoorr ccoonntt.
A diffuser and deflector are
included with the housing. The
diffuser is white transparent
plastic. The deflector is also white
ut is not transparent and has a
b
decal on the front.
To install the diffuser or deflector
spread the port clamp at the spring
end and slide over the lens port.
he white plastic should be placed
T
in front of the camera flash. The
port clamp should be pushed back
against the front of the housing.
DDiiffffuusseer
DDeefflleeccttoor
r
The diffuser should be installed when using the camera’s built in
lash. When shooting with the camera’s built-in flash at
f
approximately 2 feet (0.6 m) or less, the lens port on the
housing blocks a portion of the light from the camera’s built-in
flash, creating a shadow in the lower left of the photo. To
eliminate the shadow zoom the lens between 1/3 and 1/2 of its
full telephoto range.
(You can test this above water)
r
The deflector should be installed when using an external strobe
such as the DS51 or DS125 Substrobe and EV Controller. The
deflector will redirect the camera’s flash to the EV Controller
which controls the external strobes output.
.
This edge against
housing
Port Clamp
Spread to Install
Diffuser/
Deflector
material
Spring
8
UUssiinngg EExxtteerrnnaall FFllaassh
External strobes offer several advantages over using the
camera’s built-in flash. External strobes move the flash away
from the camera lens which helps reduce backscatter. They also
expand lighting options to achieve the best lighting for
different subjects and lenses. A strobe such as the DS51 is ideal
for use with macro and most standard camera lenses up to
28mm. When an optional wide angle lens is added a strobe such
as the DS125 is needed as it has a greater angle-of-coverage. A
second external strobe can be added to fill the shadows and
produce more realistic photographs.
DDSS5511 SSuubbssttrroobbe
The Substrobe DS51 covers the equivalent of a 28mm lens. It is
the ideal choice when using only the camera lens or the camera
lens with a macro accessory lens.
DDSS112255 SSuubbssttrroobbe
The Substrobe DS125 covers the equivalent of an 18mm lens,
100 degrees (with diffuser). It is the ideal choice when using
accessory wide angle lenses greater than 28mm.
h
e
e
UUssiinngg FFllaasshh wwiitthh CC--77440
The C-740 cameras can use the
cameras built-in flash to light
subjects underwater.
UUssiinngg EExxtteerrnnaall FFllaassh
For external flash the DS51 or DS125
can be used with the EV- Controller
in slave mode. In slave mode the
camera's built-in flash is used to
trigger the EV-Controller.
The EV-Controller provides 10
manual power settings in 1/2 stop
increments.
0
h
9
Substrobe
DS51
Ball Socket
Arm
EV Controller
10 1
1
Page 5
UUssiinngg FFllaasshh wwiitthh CC--77550
The C-750 camera can use the cameras built-in flash to light
subjects underwater.
UUssiinngg EExxtteerrnnaall FFllaasshh wwiitthh CC--77550
TTTTLL EExxppoossuurree MMoodde
Ikelite DS Substrobes are fully TTL functional and provide real
Olympus TTL control with this housing. For TTL exposure you
must use a DS Substrobe and the Ikelite #4103.51 sync cord or
4103.52 dual sync cord for dual strobes.
#
e
0
0
NNOOTTEE:
:
efer to
R
camera manual for settings when using an external strobe.
MMaannuuaall EExxppoossuurree MMoodde
his camera can be used in the manual mode with any Ikelite
T
Substrobe, DS51, 100A, DS125, or 200. A #4103.51 sync cord is
required to connect the Substrobe to the housing.
MMaannuuaall EExxppoossuurree MMooddee 2
Use the Ikelite EV-Controller with a DS Substrobe for more
control over manual exposure. The EV Controller provides 10
manual power settings in 1/2 stop increments. For housings with
an external sync cord connection it is recommeded to connect the
EV-Controller to the housing with a #4103.51 sync cord.
e
2
OOppttiioonnaall AAcccceessssoorriiees
BBaacckk OO’’rriinngg
O’rings last for several years if properly maintained. (See
maintance) Always carry a spare.
##00111100
UURR//PPrroo FFiilltteerr
The UR/Pro underwater color correcting filter is designed to
restore some of the warm colors filtered out by the water. For
available light use only, not recommended for use with flash.
s
##66444411..4411
OOppttiioonnaall SSttrroobbee PPaacckkaaggeess ffoorr CC--775500
#3944.51 includes
DS51 Substrobe
Ikelite TTL Sync Cord
SA-100R Arm
#3944.75 includes
DS125 Substrobe
1.5 hr. Smart Charger
Ikelite TTL Sync Cord
SA-100R Arm
LLeennss PPoorrt
t
The Lens Port is factory sealed, do not remove.
Treat the glass in the lens port as a camera lens. After use, rinse
and gently dry the lens port to avoid water spotting. To clean
use a mild soap solution or lens cleaner.
12
((TTTTLL EExxppoossuurree MMooddee)
Do not use alcohol or window cleaner on the Lens Port.
The Lens Port is threaded so that accessory lenses may be
screwed onto the port. The threads are very fine, take care not
to cross thread the lens.
Wide angle lenses are available from Inon and Sea & Sea. These
lenses can be screwed onto the lens port above or below water.
These lenses are designed to have water between the front of
the port and the accessory lens. Make sure no air bubbles are
trapped between the port and the accessory lens. There may be
slight vignetting when these wide angle lenses are installed.
Any vignetting that occurs
can be eliminated by
zooming the camera lens
slightly. The camera’s built-in
flash cannot be used with
wide angle lenses. The front
of the lenses are so large
they block the camera’s
flash. To properly light
subjects when using a wide
angle lens an external strobe
should be used. Due to the
wide angle coverage of the
Inon and Sea & Sea lenses,
the DS125 Substrobe is
recommended or two DS51
Substrobes.
Wide Angle
Lens
Housing shown with accessory
wide angle lens.
14
)
13
MMaaiinntteennaanncce
The Ikelite Digital Housing should be given the same care and
attention as your other photographic equipment. In addition to
normal maintenance we recommend that the housing be returned
to Ikelite periodically to be checked and pressure tested.
DDoo NNoot
1.
prolonged periods. Heat may damage the camera.
DDoo NNoot
2.
3. Before using the housing, always check the tightness of the
ssccrreew
Check each
they are tight. There is a slight chance that either could vibrate
loose during travel.
4. Keep the back o’ring clean and lightly lubricated. To lubricate
remove the o’ring from the back. Put a small amount of lkelite
lubricant on your fingers. Draw the o’ring through your fingers
to apply a light coating of lubricant. Only apply enough
lubricant to make the o’ring feel slick.
This light coating of lubricant will help to keep the o’ring from
drying out and will help to show a dark sealing line when the
housing back is properly sealed.
5. Keep the area where the o’ring fits and the sealing surface of
the housing clean.
6. Rinse the housing exterior thoroughly in fresh water after each
salt water use. Dry with a soft cloth. Dry lens port to eliminate
water spotting.
After several uses in salt water soak the housing in a mild soap
solution, rinse and dry before storage. When storing the
housing, remove the back o’ring, lightly lubricate and place in a
plastic bag. Place the plastic bag with o’ring inside the housing
for safe keeping.
CCAAUUTTIIOON
NNeevveerr uussee sspprraayy lluubbrriiccaannttss aass tthhee pprrooppeellllaanntt iinnggrreeddiieenntt ccaan
ccaauussee tthhee ppllaassttiicc hhoouussiinngg ttoo ccrraacckk.
e
t
leave the camera and housing in direct sunlight for
t
ship the camera in the housing.
w
in each control knob.
ccoonnttrrooll ggllaannd
d
penetrating the housing to make sure
DDoo NNoott ssttrreettcchh tthhee oo’’rriinng
N
.
sseet
t
g
.
n
Page 6
CCoonnttrrooll MMaaiinntteennaanncce
e
Ikelite controls are designed to provide years of reliable service
with minimal maintenance.
1. Push button controls require no maintenance other than rinsing
in fresh water after saltwater use. If a push button control
ecomes difficult to push or if it sticks when depressed, soak the
b
housing in luke warm fresh water. After a few minutes operate
he push button. If this does not correct the problem, return the
t
housing to Ikelite for maintenance.
2. Some of the controls have long shafts. These controls can be
lubricate shaft
housing
3. Some of the controls have a short shaft and cannot be pulled
out exposing the shaft for lubrication. In the unlikely event one
f these controls sticks or becomes difficult to operate you can
o
remove the control from the housing and lubricate it, or return
the housing to Ikelite for maintenance. To remove the control,
loosen the set screw in the knob (allen wrench required);
emove the knob. If there is salt or dirt build-up on the exposed
r
control shaft, clean the shaft. Open the housing and gently slide
he control shaft out of the control gland. Clean and lightly
t
lubricate the shaft, including the end of the shaft. Slide the
haft back into the control gland and gently slide it back and
s
forth a few times without fully removing the shaft from the
gland. Replace the knob, NOTE the flat area on the shaft, the
set screw in the knob should tighten down against the flat area
n the control so the knob does not turn on the shaft.
o
pull out to
expose shaft
pulled out, exposing the shaft (see drawing).
To lubricate the control, gently pull on the knob until the
stainless steel shaft is exposed. Lightly lubricate the shaft, then
move the shaft in and out several times. This will lubricate the
x’ring in the Ikelite control gland. This should be done before
using the housing after a prolonged storage period, or once a
week when the housing is in use.
16
GGeenneerraall TTiipps
s
1. Due to the power required to operate the camera, flash, and
LCD screen it is a good idea to start each dive with a fresh set of
batteries.
2. Some cameras reset their flash to AUTO when the camera is
turned on. If you prefer another setting be sure to select it.
3. As soon as you enter the water, take a moment and check the
housing to see that it is properly sealed.
Next, check to see if there are any bubbles on the face of the
4.
lens port. If there are, take your finger and remove them. If
there are bubbles on the lens port they can produce soft focus
spots in your photographs.
5. If you use the housing Zoom control, make sure to move it back
to the center position. If the housing Zoom control is pushing
the camera zoom lever to either side the camera will not
function. (See page 8)
NNOOTTE
E
6. If you are shooting with the camera’s built-in flash at
approximately 2 feet (0.6 m) or less, zoom the lens to
maximum telephoto. The lens port on the housing blocks a
portion of the light from the camera’s built-in flash when
shooting close up. If you do not zoom to maximum telephoto, a
shadow may appear in the lower left corner of close-up
photographs.
(You can test this above water)
To shoot wide angle photographs closer than 2 feet (0.6m), you
need to use an external strobe such as the DS51 or DS125. With
an external strobe you can position it so nothing blocks the
light path between the strobe and the subject.
control
shaft
Flat
Tighten set screw down
against this area when
replacing the knob.
housing
Lubricate end of shaft
before reinserting into
gland
gland
Loosen set screw
(allen wrench required)
17
PPhhoottoo TTiipps
s
1. The number one rule in underwater photography is eliminate as
much water between camera and subject as possible. Get as
close as you can to the subject, then use the zoom. If you are
using flash, subjects beyond 6 feet (1.8m)will not have much
color.
2. The camera’s built-in flash is very close to the camera lens. The
flash can light up any suspended particles in the water and they
can be recorded in your picture. This effect is called backscatter.
To eliminate as much backscatter as possible, photograph close.
Photograph in clear water; do not stir up the sand or silty
bottom. If backscatter becomes a problem in the environment
you are photographing, an external flash will help eliminate
much of the backscatter.
3. Digital cameras have a slight lag time between when you press
the shutter release button and the camera actually takes the
picture. Hold the camera steady a second or two after pressing
the shutter release button.
4. Do not shoot down on subjects as they will quite often blend
into the background and be difficult to see in the photograph.
Shoot subjects straight on or shoot up at a slight angle using
the blue water as a contrasting background.
5. Underwater flash is used to restore the warmer colors filtered
out by the water as well as to illuminate the subject. When
photographing underwater, set the camera to use flash on
every shot. If the camera’s flash is set to AUTO and the sun is
behind your subject, the camera may see enough light that it
does not fire the flash. With the sun behind the subject the
subject is shaded (dark) and needs flash for a good exposure.
18
continued on next page
19
Page 7
PPhhoottoo TTiippss CCoonntt.
. Many photographers transfer their images to the computer
6
.
where they can fine tune the appearance of the image. Image
anipulation programs make you think you can magically
m
correct any image taken and make a good picture. One thing to
remember, if the image is overexposed much of the color is
missing. If the color is missing there is nothing to adjust. If
mages are underexposed the color is there, it is just dark and
i
you can adjust it to some degree. So if you error in exposure it
is better to have the image slightly underexposed than over
exposed.
IIkkeelliittee LLiimmiitteedd WWaarrrraanntty
All Ikelite products are warranted against any manufacturing defects for a
period of one (1) year from the date of purchase. Defective products should
be returned prepaid to Ikelite. Ikelite will, at its discretion, repair or replace
such products, and will return to customer prepaid. All other claims, of any
nature, including but not limited to bulb failure are not covered. Except as
mentioned above, no other warranty expressed or implied, applies to this
kelite product.
I
RReettuurrnniinngg PPrroodduuccttss ffoorr SSeerrvviicce
Ikelite is most interested in preforming any service to assure that all
products perform as intended. For repair or service, return the product
to the address below with your name, address, phone number and a
brief description of the problem. Evidence of purchase date must be
provided to obtain warranty service.
IIkkeelliittee UUnnddeerrwwaatteerr SSyysstteemmss •• 5500 WW 3333rrdd SSttrreeeett •• IInnddiiaannaappoolliiss,, IINN 4466220088 UUSSA
y
e
A
331177--992233--44552233
eemmaaiill:: iikkeelliittee@@iikkeelliittee..ccoomm
wwwwww..iikkeelliittee..ccoomm
DDiiggiittaall 66113300..7744--0022--00330044
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