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BATTERY LIFE
AA-Size Battery Compatibility
AA-Size is one of the most widely available battery sizes in the world - in alkaline, lithium, rechargeable or
other forms. AA compatibility enables use anywhere in the world.
There are certain things that users can do to help with battery life. The most important is to set the camera
to turn the LCD off after a short time, during periods of non-use. It can then be automatically turned back
on if you depress the shutter release control half way. Please refer to the camera Instruction Manual for
details on how to make this adjustment setting. It is always wise to have backup batteries in case you do
run out of power. The supplied battery can be recharged many times and offers an economical and
environmentally friendly power source.
USING THE FLASH
The A490/495 has a built-in flash, which will illuminate nearby underwater subjects. For subjects that are
farther away, an accessory slave flash is recommended (see below). A built-in flash diffuser is supplied
which will help achieve a wider and softer light source thereby providing more coverage and less likelihood
of backscatter (the unattractive snowstorm affect of the flash reflecting off the suspended particles in the
water). Further reduction of backscatter can be achieved by using an accessory off-camera slave flash. This
will be discussed in more detail in the next section.
The need for artificial light to maximize color reproduction is necessary in nearly all pictures. Therefore it is
strongly recommended that you set the flash mode to Flash Always. This will ensure the flash fires on every
exposure regardless of the ambient light conditions (Please refer to the camera instruction manual for more
details).