In a photograph fujifilm np-70 battery taken when the hard to avoid can meet no matter how to adjust, still can not meet the right camera exposure, in this moment we will usually choose to use flash.

The type of small flash can be divided into 3: external flash, built-in flash, flash ring.

External flash: power is bigger, so flash can reach further some distance, and some external flash also comes with diffusion piece, even if is to use a wide Angle lens can guarantee the photos around even, won't happen only exposed correctly and comparison among all round dark conditions.

Adjustable brightness range, general external flash can adjust brightness range is bigger, its brightness adjusting all have positive and negative level 3, and with the increasing of reduction can be 1/2 on the adjustment, can apply to more situations.

Adjust the Angle of flash and direction, and more fujifilm np-40 battery professional external flash can be adjusted up and down, or so flash point of view, will flash when don't want to direct to the subject, and avoid a strong glare of flash when can adjust the Angle, use metope, roof, molding.the indirect light reflection on the subject will be, so they can produce more soft and natural light effect.

Because the use of flash range is very wide, either in interior, cloudy day, or insufficient light, may use flash light, so most of the camera is equipped with a built-in flash.

But the fujifilm np-80 battery strength of the built-in flash limited, and is not suitable for filming as a main light source used, and it's position is close to the lens and cannot adjust illuminate Angle, so the light is often stiff, not natural, and produce ugly shadows.

To sum up, built-in flash most of the time is in emergency of use, or in the light contrast of the big time for simple light supplement action, in order to reduce the degree of shadow.

The ring of light is a flash of the circle, commonly used in the macro photography, ring the installation position of flash is in front of the lens, comprehensive flash, so close to the time of shooting can make tiny objects shown entirely by light, won't produce ugly shadow.

The ring of flash power flash is small, do not as the use FUJIFILM NP-50 Battery of general flash, if as general use flash unlikely to meet the expected effect.