例句與造句

1. Therefore, digital SLR cameras typically don't support any real-time TTL flash metering and must use preflash metering instead.
2. Canon released a new Speedlite 244T . This simple-to-use flash used an infrared preflash to judge the distance to the subject, and only had two buttons; a power switch and a film speed setting which toggled between 100 and 400 ISO film speed.
3. In newer SLRs as well as in almost all DSLRs, they can also be utilized for preflash TTL metering, where the metering is carried out before the mirror flips up using a small preflash of known intensity and the necessary amount of flash light is extrapolated from the reflected flash light measured by the metering cells in the roof of the camera and is then applied during the exposure without any possible real-time feedback.
4. In newer SLRs as well as in almost all DSLRs, they can also be utilized for preflash TTL metering, where the metering is carried out before the mirror flips up using a small preflash of known intensity and the necessary amount of flash light is extrapolated from the reflected flash light measured by the metering cells in the roof of the camera and is then applied during the exposure without any possible real-time feedback.
5. It's difficult to find preflash in a sentence. 用preflash造句挺難的