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Due to their construction, focal plane shutters, as used on most single-lens reflex cameras (SLRs), only allow normal xenon flash units to be used at shutter speeds slow enough that the entire shutter is open at once, typically at shutter speeds of 1/60 or slower, although some modern cameras may have an X-sync speed as high as 1/500 (e.g ...
At the maximum (standard) D850 X-sync shutter speed of 1 ⁄ 250 s, the exposure time is 1 ⁄ 250 s = 4.0 ms, so about 4.0 ms − 2.4 ms = 1.6 ms are available to trigger and fire the flash, and with a 1 ms flash duration, 1.6 ms − 1.0 ms = 0.6 ms are available to trigger the flash in this Nikon D850 example.
In other respects, the Maxxum offered most of the standard features of other cameras of the day, with the exception of a rather low flash sync speed (1/125 sec.) and no multi-exposure capability. Minolta introduced a new lens mount, the A system , breaking compatibility with its earlier manual-focus lenses in the MC and MD system.
An entry-level camera, exposure mode was program AE only, with a high-speed program option, no Creative Expansion Card support. An even more basic Maxxum, this camera was basically for the point-and-shoot user that wanted a system SLR camera with interchangeable lenses and more powerful flashes, but did not want the features on, or did not want to pay for the 5000i, 7000i, 8000i cameras.
Sony Alpha ILCE-7 (α7) - 24 MP sensor, 1/250 sync speed, hybrid AF, electronic first curtain available.; Sony Alpha ILCE-7R (α7R) - 36 MP sensor, 1/160 sync speed.; Sony Alpha ILCE-7S (α7S) - 12 MP sensor, 1/250 sync speed, electronic first curtain as well as full electronic shutter (completely silent) available, ISO 409600, 4K video (with external recorder).
An ADP-MAA adapter to the iISO flash shoe is however provided with the Sony SLT-A99, and the newest flash Sony HVL-F60M, which uses the new hotshoe comes with a reverse adapter ADP-AMA for older Sony and Minolta cameras. The last cameras introduced utilizing the iISO hotshoe in 2012 were the SLT-A37 and NEX-7 as well as the Hasselblad Lunar.