Question about flash and exif

Started 3 months ago | Discussions thread
Ed Shapiro
Ed Shapiro Contributing Member • Posts: 529
Re: Question about flash and exif

Most experienced portrait photograhers that use electronic flash in the work would probably be using studio flash gear that works independently of the camera TTL integrated exposure system and would make their setting manually.  In a multiple flash setup, one light might be directly wired to the camera via the PC-type flas terminal or a remote trigger system attached to the hot shoe. Whe there is no integration with the camera;'s exposure control system or internal commanded feature, all the EXIF data might show the aperture and shutter speed. There would be no record of the indipendlyly controlled power settings of the remote units.

In a portrait setup, little can be learned of the EXIF data because there is no indication of the position, distance, direction, modification, or feathering technique of any of the important lights. The ratio of the light outputs to one and other, the ratio of fill-in or augmented light to natural light would not show as well.

If you are somewhat familiar  with lighting techniques in portraiture, SOME of these lighting elements would be obvious to you upon VISUALLY analyzing the image.  If you are learning these elements, through reading or online education, the best resources will have detailed explanations, diagrams and exposure data.

Of course, important attributes such as posing,  camera position, and composition are visual elements as well and the camera settings will have no bearing on these aspects.

Ed Shapiro- Commercial and Portrait Photographer. Ottawa, Ontario Canada

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