Sigma EF Flash for Canon and Nikon PhotographyBLOG blog

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The Canon and Nikon versions of the Sigma EF-630 flashgun are scheduled to start shipping later this month. First a
ounced in 2016 (and already available for Sigma cameras), the EF-630 is a multifunctional clip-on type flash designed to work with today’s advanced digital SLR cameras. Featuring a zoomable tilt-swivel head with a zoom coverage of 24-200mm, the Sigma EF-630 offers wireless TTL exposure control as well as high-speed sync, rear-curtain sync and modelling flash functions. Photographers can update the unit’s firmware via the optional Flash USB Dock FD-11. The recommended retail price of the Sigma EF-630 is $379.
Sigma Press Release
ELECTRONIC FLASH EF-630
The SIGMA Corporation is pleased to a
ounce that we are going to introduce the SIGMA ELECTRONIC FLASH EF-630.

The SIGMA ELECTRONIC FLASH EF-630 is a multifunctional clip-on type flash, which offers a greater output of light and is designed to work with current digital SLR cameras. Among the diverse features loaded on this flash is TTL exposure control as standard as well as high-speed sync, rear-curtain sync and wireless flash functions. Meanwhile, the Autozoom function, bounce-flash function and Catch-light Panel of the EF-630 are perfect for various kinds of photography. The rear LCD offers an intuitive user interface for fast and easy operation.
Key features

Equipped with new TTL Auto Flash Exposure systems
The EF-630 is designed to work with the latest TTL auto exposure systems of most well-known manufacturers’ digital SLR cameras, allowing auto TTL exposure control for bounce photography in conjunction with a diffuser or reflector.

Intuitive user interface for ease of use
The new dot matrix liquid crystal display ensures improved visibility of menu functions. Moreover, the D-Pad and dial on the side of the flashgun make changing settings easier than ever. An intuitive user interface enhances the compatibility between the EF-630 flash and the SIGMA sd Quattro series. The flash is designed to disengage easily by one-click on the shoe lock lever. In addition, a flash sync terminal and a notification sound when the flashgun is fully charged improve the ease of use.

Bounce-flash function with movable flash head
The flash head of the EF-630 can be tilted up by as much as 90u00b0 and swivel both left and right by 180u00b0. Bounce photography, where light is reflected off a white wall, ceiling or a reflector increases the range of photographic expression. The flash head can also be tilted down by 7u00b0 for close-up shots.

TTL Wireless Flash Functio
nThe TTL wireless flash function will adjust the desired flash exposure automatically even if the EF-630 is disengaged from the camera. Remote control operation is possible between the camera and flash. When multiple flash units are used, the camera calculates the correct exposure automatically.

Modeling Flash function to check for shadows
The EF-630 also offers a modeling flash function, enabling the user to check for intense reflections and shadows before taking a photograph.”

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