Digital Housing instruction manual for Olympus C-740 & C-750 Housing #6130.74 Ikelite Digital Housing 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). Shutter Mode Dial Release Mode Zoom Dial Flash External TTL Zoom Strobe Connector Shutter Release Flash Lens Port Lens Port Lid Lid Snap Snap SIDE VIEW Aluminum Tray FRONT VIEW Shutter Zoom Release Mode Dial Flash Quick Release Button Macro Drive Flash Mode Power AE Lock Lid Lid Snap Arrow Pad Snap Rubber Monitor Handles OK BACK VIEW 2 3 Opening the Housing Push Forward Hot Shoe with the C-740 1. Lid Snaps have a Lock. Hot Shoe Connector Hot Shoe Lid Snap Lock Connector To open, push Lid Snap Lock Storage Mount storage Mount O'Ring forward and lift as shown. The C-740 camera does Keep pressure on the Lid not have a hot shoe, it Hot Shoe Snap so it does not fly open is recommended that Connector quickly. Lift the housings Hot-Shoe OLYMPUS Some lid snaps have a lot of be secured in the Hot spring tension once they go over center, have a firm grip on the Shoe Storage Mount. lid snap. Lid Snaps may be opened one at a time. Make sure the cord Installing the Camera O'Ring does not interfere with 1. Remove the back from the o'ring when closing the housing. The the housing. mounting tray for the OLYMPUS camera is secured to Hot Shoe with the C-750 the housing back. Position the camera on When using an external strobe connect the housings Hot Shoe the tray and secure it Connector, slide the connector into the hot shoe of the camera with the mounting bolt from the back of the camera as shown. Slide the connector which threads into the forward until it stops. This can be done after the camera is camera’s tripod socket. secured with the mounting bolt. External Strobe Connector CAUTION: Hot Shoe Waterproof Cap (see caution) Caution: Connector Some camera tripod Storage Mounting Mounting Do not put the Hot Shoe Mount Bolt Tray (see caution) socket threads are Connector in the Hot Shoe O'ring plastic. The mounting Storage Mount when a Housing Back tray bolt is metal. Do not cross thread or over tighten as you strobe is connected. may damage the camera tripod socket threads. Hot Shoe Connector 2. Pull out on each housing control until it stops. This will get the Do not remove the External controls out of the way for installing the camera. Strobe Connector’s waterproof cap unless an external sync cord is going to be plugged in. 4 5 Camera Closing the Housing Checking Controls housing back 1. Place housing face down in your Once the housing has been closed, push the controls back into lap. place. Make sure they line up with the camera’s controls. 2. Check to see that there is an o’ring on the housing back and Zoom Control that it is clean and in its proper (NOTE:) After you have used the location. housing’s zoom control it must be returned to the center position to 3. Guide the back onto the housing. o’ring The o’ring should touch the disengage. If the housing zoom housing all the way around. There control is pushing the zoom lever should be an even gap all the way in either direction you cannot around between the housing and take a picture or access any other the housing back. function as the camera is 4. Lift the lid snaps so they are receiving a signal from the Zoom control Zoom control housing back engaged zoom control. engaged disengaged extended and place the lid snap (centered) into the hook on the housing back. even gap Turn Camera On 5. To close the housing push all 4 sides Turn the camera on and operate each of the housing controls to down on the lid snaps until get a feel for using the camera in the housing. Take a few they snap into place . Lid pictures above water with the camera in the housing. snaps on opposite sides of the o’ring housing should be closed at the Lubricants same time. Be sure they are down 1. Ikelite provides silicone lubricant with the housing. We recommend far enough to engage the lock. you use only Ikelite lubricant on Ikelite products as some other Double check - Once the housing is closed, check the o’ring seal. brands may cause the o’ring to swell and not seal properly. Check the gap between the housing back and the housing, it 2. Use only enough lubricant to lightly cover control shafts and should be even all the way around. o’rings. Wipe off any excess lubricant with a clean cloth. Look through the clear plastic back at the o’ring. You should see a Lubricant is not a sealant, it is used to reduce friction. Excessive darkened area where the o’ring is compressed against the lubricant can collect sand and dirt which may interfere with housing back. If you do not see an even black compression seal proper sealing. all the way around the back, open the lid snaps, reseat the housing back and close the lid snaps. Visually check the seal again. CAUTION Never use spray lubricants as the propellant ingredient can 6 7 cause the plastic housing to crack. This edge against Diffuser & Deflector Installation Diffuser and Deflector cont. housing Diffuser/ A diffuser and deflector are Deflector included with the housing. The material diffuser is white transparent plastic. The deflector is also white but is not transparent and has a decal on the front. Port Clamp Deflector To install the diffuser or deflector spread the port clamp at the spring Spring end and slide over the lens port. The white plastic should be placed in front of the camera flash. The port clamp should be pushed back Spread to Install against the front of the housing. Diffuser The diffuser should be installed when using the camera’s built in flash. When shooting with the camera’s built-in flash at 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 Housing shown with full telephoto range. (You can test this above water) deflector installed. Deflector 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. 8 9 Substrobe Using External Flash Using Flash with C-740 DS51 External strobes offer several advantages over using the The C-740 cameras can use the camera’s built-in flash. External strobes move the flash away cameras built-in flash to light from the camera lens which helps reduce backscatter. They also subjects underwater. expand lighting options to achieve the best lighting for different subjects and lenses. A strobe such as the DS51 is ideal Using External Flash for use with macro and most standard camera lenses up to For external flash the DS51 or DS125 28mm. When an optional wide angle lens is added a strobe such can be used with the EV- Controller as the DS125 is needed as it has a greater angle-of-coverage. A in slave mode. In slave mode the camera's built-in flash is used to Ball Socket second external strobe can be added to fill the shadows and Arm produce more realistic photographs. trigger the EV-Controller. The EV-Controller provides 10 DS51 Substrobe manual power settings in 1/2 stop increments. 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. DS125 Substrobe 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. EV Controller 10 11 Using Flash with C-750 Optional Accessories The C-750 camera can use the cameras built-in flash to light #0110 subjects underwater. Back O’ring O’rings last for several years if properly maintained. (See Using External Flash with C-750 maintance) Always carry a spare. TTL Exposure Mode UR/Pro Filter #6441.41 Ikelite DS Substrobes are fully TTL functional and provide real The UR/Pro underwater color correcting filter is designed to Olympus TTL control with this housing. For TTL exposure you restore some of the warm colors filtered out by the water. For must use a DS Substrobe and the Ikelite #4103.51 sync cord or available light use only, not recommended for use with flash. #4103.52 dual sync cord for dual strobes. NOTE: Refer to camera manual for settings when using an external strobe.