User manual SIGMA EF-500 DG SUPER

[. . . ] Thank you very much for purchasing the Sigma EF-500 SUPER EO Electronic Flash. this product is specifically developed for the Canon EOS series SLR cameras. To make the most of all these features, and to get the maximum performance and enjoyment from your flash, please read this instruction booklet, together with your camera's instruction manual, before using the flash, and also keep it handy for your future reference. In order to avoid causing any damage or injury, please read this instruction manual very carefully, paying attention to the cautionary signs below, before using the flash. [. . . ] When you use second curtain synchronization, the flash will fire just before the second curtain begins to closes, and the subject will be exposed by ambient light from the time the shutter opens until the flash fires. As a result the furrow of the subject will be recorded behind the subject. Adjust the focus, and take the picture after confirming the ready light. To cancel second ­curtain synchronization, turn off the mark on the LCD panel by using When you take a picture with an ordinary flash, you cannot use a shutter speed faster than the camera's synchronized speed, because the flash must fire when the shutter curtain is fully open. The High Speed Sync keeps firing while the shutter curtain is running. Thus you can use a shutter speed faster than the shutter's normal synchronized speed. Select a shutter speed faster than the camera's normal synchronized speed. Choose the Flash Mode by using MODE button ("ETTL" or "M" modes can be used). Check that the subject is located within the effective distance, indicated on the LCD panel. Confirm the mark in the viewfinder of the camera, and then you can take the picture. With high-speed sync, the Guide Number changes depending on the shutter speed. The flash range will be shorter (ie Guide Number will be smaller) when shutter speed is faster. Selecting shutter speeds slower than the camera's normal synchronized speed cancels Hi-speed sync. 1) for High speed sync (FP flash) described in this instruction manual. It is possible to use exposure compensation function, with high speed synchronization operation. "FE" lock mode allows you to choose exposure for the part of the viewfinder, and lock it in, before taking the picture. Focus on the subject in the center AF frame of the viewfinder, and depress FE lock button. The maximum number of flashes varies, depending on the flash guide number and firing frequency settings. Set the camera's exposure mode to M mode, and set the F number Press the MODE button until the Multi-flash mode appears Press the SEL button until the flash firing frequency starts to blink. After pressing the SEL button again, the flash power level will blink. When the ready light of the flash is illuminated, the unit is ready to use. Note: Please set the shutter speed longer than; Number of Flashes you want When you take a photo with flash in a room, sometimes a strong shadow will appear behind the subject, if you point the flash head upwards or sideways to reflect the light off the ceiling, wall etc. [. . . ] If you are using a Canon brand flash unit with ETTL function on your camera, and the EF-500 Super flash unit as a slave unit, please do not use ETTL function, as the monitor pre-flash may cause the slave to fire prematurely. If you use two or more EF-500 Super flash units, you can designate which flashes will fire together by using the channel settings. In this mode, one flash unit will be used as the Slave Controller and the others for firing as Slaves. The slave Controller will transmit the designated signal before the others fire. [. . . ]