Ikelite PowerShot A610-A620 Скачать руководство пользователя страница 6

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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.

4. Next, check to see if there are any bubbles on the face of the

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.

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5. If you are shooting with the camera’s built-in flash and the

cameras lens is set to the widest angle you may need to zoom

the lens slightly or a shadow may appear in the lower left

corner of close-up photographs. The lens port may block some

of the light. Installing the flash diffuser will help to eliminate

the shadow. 

(You can test this above water)

To shoot 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.

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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.

RReettuurrnniinngg PPrroodduuccttss ffoorr SSeerrvviiccee

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.

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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 Ikelite product.

19

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6. When using daylight or flash if your camera consistently over

or underexposes the image you may want to adjust your

camera’s exposure compensation settings. Many cameras allow

you to adjust both available light and flash exposure with an EV

control in the camera’s menu.

7. Many photographers transfer their images to the computer

where they can fine tune the appearance of the image. Many of

the image manipulation programs make you think you can

magically correct any image taken and make a good picture.

One thing to remember when using image manipulation

programs, if the image is overexposed much of the color is

missing. If the color is missing you cannot adjust it. If images

are slightly underexposed the color is there, it is just dark and

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.

Содержание PowerShot A610-A620

Страница 1: ...Digital Housing i n s t r u c t i o n m a n u a l f o r Canon PowerShot A610 A620 H o u s i n g 6140 62 ...

Страница 2: ...re Display Print Share Mode Flash Menu Macro Function Lid Snap Lens Port Back View Ô Ô Lanyard Thumb Rest On Off Shooting Mode Zoom 4 O Op pe en ni in ng g t th he e H Ho ou us si in ng g 1 Lid Snaps have a L Lo oc ck k To open push Lid Snap Lock forward and lift as shown Keep pressure on the Lid Snap so it does not fly open quickly Some lid snaps have a lot of spring tension once they go over cen...

Страница 3: ...o ou ub bl le e c ch he ec ck k Once the housing is closed check the o ring seal 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 all the way around the back open the lid ...

Страница 4: ...cessory 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 To properly light subjects when using a wide angle lens an external strobe should be used Due to the wide angle of coverage of the Inon Sea Sea and Epoque lenses the DS125 Substrobe is recommended or two DS51 Substrobes Wide Angle L...

Страница 5: ... s sc cr re ew w in each control knob Check each c co on nt tr ro ol l g gl la an nd d penetrating the housing to make sure 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 ...

Страница 6: ...e 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 R Re et tu ur rn n...

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