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It can be used as a wireless optically controlled slave with flashes, flash controllers, or cameras which support Canon's infrared control system, including the 580 Speedlite series, the ST-E2 flash controller, and cameras such as the 7D Mark II. It supports TTL, E-TTL and E-TTL II.
The following were the largest NAND flash memory manufacturers, as of the second quarter of 2023. [26] Samsung Electronics – 31.4%; Kioxia – 20.6%; Western Digital Corporation – 12.6%; SK Hynix – 18.5%; Micron Technology – 12.3%
Can be used as wireless (optical) controller for other Canon flashes Yes Canon Speedlite 600EX-RT [6] 60m/ 196.9 ft at 200mm zoom-head position Yes 20-200mm (14mm diffusor) 1/1-1/128 (1/3 steps) E-TTL II yes yes (360) 3.3 sec Yes (only when using Canon master) Can be used as wireless (optical) controller for other Canon flashes Yes
Usually, flash memory controllers also include the "flash translation layer" (FTL), a layer below the file system that maps host side or file system logical block addresses (LBAs) to the physical address of the flash memory (logical-to-physical mapping). The LBAs refer to sector numbers and to a mapping unit of 512 bytes.
The T90, became the first mass-market camera to support second-curtain flash, where the flash fires at the end of the exposure, just before the second shutter curtain starts to close. Although not identical, the current (2009) Canon Speedlite 580 EX II supports the T90 as well. Canon also produced a dedicated macro ring flash for the camera ...
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However, in 1971, SLRs using "dedicated" electronic flashes with automatic flash exposure control began appearing with the Canon FTb (Japan). They used ISO-style shoes with extra electrical contacts. [322] Each SLR brand used incompatible contact configurations and the time of use-any-flash-with-any-SLR passed by the late 1970s.
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