Part Three - Digital Photography Basics
by Chuck Gardner
Batteries
 Batteries are an important consideration in the digital realm. Digital cameras
use a great deal of power and several sets of rechargable batteries are needed.
I use five sets. Some camera brands, such as Canon and Sony which use
expensive, proprietary Lithium Ion (Li-Ion) batteries. These are great
batteries which can be recharged without a memory effect, the cost of buying
enough batteries to spend a day in the field shooting can be considerable. In
my opinion, cameras which allow the use of rechargeable Nickel-Metal Hydride
(Ni-MH) AA batteries are the most versatile and economical in the long term.
Ni-Cds will not work in digital cameras as the current demands are just too
high. High grade Alkaline batteries can be used, but will be depleted quickly.
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