![]() Yes in viewfinder mode, the mirror being down, means the flash can be metered with E-TTL prior to the exposure. I’m “extrapolating” and suggesting that your T7i is dropping the mirror whenever the flash is used. I could verify this by removing the lens, with the flash set to E-TTL the mirror drops each time to allow the camera to measure flash, but with the flash set to manual exposure the mirror stays up and the frame rate is faster. This makes it run at much the same rate as it does when not using a flash. However if I set the flash to manual exposure, then the 200D/SL2 realises it doesn’t need to meter the flash and so doesn’t have to drop the mirror to meter the flash. This slows the rate of firing with flash set to E-TTL on my 200D/SL2. To do this it needs to lower the mirror to direct the light to the flash metering sensor in the pentaprism. With the flash set to E-TTL, the camera needs to measure the flash exposure for each frame. However I’m sure it’s not only the silent live view issue. Without the flash it’s quicker than with the flash, just as you described. I do’t have the Rebel T7i on hand, but tried with an EOS 200D / SL2. Switching the shooting mode to Disable solved the problems. However it did cause a little confusion when the radio triggered flash wouldn’t fire in Live View, since the default was Mode 1 silent shooting. The reason I found this with the EOS 60D was that I was using the vari-angle LCD to allow me to position the camera on the floor when shooting a model, I wanted a different viewpoint for my picture and putting the camera at ground level suited my needs. The problem is that simple radio triggers, even Pocket Wizard Plus II’s, are not seen as dedicated and so the camera won’t trigger the flash in Live View mode. If you are using a Canon flash, even with several off camera Speedlites, the camera will switch to Disable automatically. There is also a caution that if you use flash the Disable option will be selected even is the menu is set to Mode 1 or Mode 2, however if the flash is not a Canon dedicated flash it won’t fire unless you have manually selected Disable from the menu. However, only one shot will be taken.” Disable silent shooting if you use simple radio triggers for flash When you press the shutter button completely, the shutter will sound like it took two shots. Setting it to or will result in incorrect or irregular exposures. Even if continuous shooting is set, only a single shot can be taken in this mode.”ĭisable: “If you use a TS-E lens to make vertical shift movements or use an Extension Tube, be sure to set this to. Then when you return to the shutter button’s halfway position, the camera operation will resume. While you keep holding down the shutter button, the camera operation will be suspended. Mode 2: “When you press the shutter button completely, only one shot will be taken. ![]() ![]() High-speed continuous shooting will be approx. Mode 1: “The shooting operation noise is quieter than with normal shooting. ![]() In the EOS 60D manual the descriptions of the modes are as follows. If the function exists then the three options are Mode 1, Mode 2 and Disable. Cameras like the EOS 7D, EOS 5D Mark II & EOS 60D have the option to reduce the noise of the shutter mechanism via the Silent shooting option in the Live View settings. I’ve found that Live View mode is something I’m using from time to time, however I recently had a bought of head scratching when using the EOS 60D and Live View with some simple radio triggers. The reality is that Live View has enabled different kinds of photography to be possible or at least made less arduous. Surely holding a camera at arms length so you can see the LCD screen would create camera shake. When Live View mode was first introduced on Canon EOS DSLR cameras some photographers were confused. 10 February, 2011 | Posted in: Better photo tips ![]()
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