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Contact:Lei Lydia
Mobile: +86136 9172 4810

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Buy The Studio Must See The Studio Flash Common Sense

How important is the speed of return?

First of all we need to know, the studio flash is able to flash because it has a fully charged inside the large-capacity capacitors, capacitors need to re-charge after the discharge for the next use, the charging time is the speed of return. The flash speed of the flashback, continuous flash to wait for the time on the short, on the contrary, the slow return of the studio flash, the flash between the waiting time will be long. It is clear that if you want to continuous flash fast, it needs a fast return to the studio flash.

Do not underestimate the speed of the flash call, which is an important basis for evaluating a flash is good or bad. I plant the 580EX studio flash, full power output under the call time is about 1 second or so, and some vice plant lights return speed is 2-3 seconds, which in the continuous shooting when there is a big gap. Of course, not every flash will be used in the capacitor running out of electricity, if you are only half the power output, then shoot the capacitor after a half of the power will be left, so the second shot without waiting for "long" The time of the call back.

What is wireless flash?

Most of the studio flash is installed on the camera hot shoe, the studio flash and the camera has a direct contact between. And the wireless flash is a camera with a control and it is not directly in contact with the flash to shoot, so that even in the case of a single lamp can get a variety of different angles of the flash effect.

There are many ways to wireless flash, the most common way is through the external wireless signal transmitter, the transmitter installed in the camera hot shoe, the receiver installed in the flash under the hot shoe seat, so you can achieve wireless flash The. In addition, there are some SLR cameras are built-in wireless flash function. For example, the Canon EOS 700D, do not need to install the transmitter, as long as the hands of the flash set to subordinate units, using the camera's own wireless communication protocol to achieve wireless flash, very convenient.

Is it necessary for manual mode?

Not only the camera has a manual mode, the studio flash also has a manual mode. In manual mode, players can freely control the amount of flash light, such as 1 / 1,1 / 2,1 / 4,1 / 8,1 / 16, etc., through manual adjustment to achieve their own shooting needs. The problem has arisen, since most of the studio flash has a very convenient TTL mode, why do we have to use the manual mode hard?

At present the vast majority of flash has M mode

In fact, TTL mode is not perfect, and sometimes there will be misjudged the situation. For example, in the more dim KTV, TTL mode is often misjudged need to use a larger flash output, which is likely to cause excessive exposure. So the manual mode for the flash is still very necessary. Players can follow the scene at that time, from the decision to flash brightness. Such as in the studio when shooting photos, if the ambient light does not change, then the use of M file will be more secure than the TTL, which allows you to all photos exposure consistent, will not be affected by the camera metering. At the same time compared to the TTL function with the flash, M mode flash is also cheaper.

What is the studio flash index?

The studio flash index represents the maximum power of the flash

Everyone in the purchase of studio flash, there is a very important parameter is - the flash index. The flash index (GN) is one of the indices that reflect the size of the flash power, and the larger the GN value, the greater the power on behalf of the flash. In addition, when we know the index of the flash, you can also calculate the aperture should be the size of the exposure, the formula is GN value = aperture × distance (ISO100 as the base). For example: When the flash GN value = 40 (in meters), and the distance from the subject 5 meters, the aperture set to F8 for the exposure is normal. When the subject distance to 10 meters, this time the aperture should be set to F4 to be effective exposure.

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