WebE-TTL. E-TTL stands for Evaluative through-the-lens and is a type of autoflash exposure system used by Canon. E-TTL was originally introduced in 1995, then updated in 2004 to E-TTL II, which is the current system. The flash system shares the light sensors in the camera's viewfinder which are also used for evaluative metering of the ambient light. WebToday, with current digital DSLR, Nikon's mode is called iTTL now. And there was a short previous first Nikon digital try (until 2003) called D-TTL. But in reference to older film gear, TTL specifically specifies film TTL. In 2003, the SB-800 was the first iTTL flash for the Nikon D2H DSLR camera that could use it.
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In photography, through-the-lens metering (TTL metering) refers to a feature of cameras whereby the intensity of light reflected from the scene is measured through the lens; as opposed to using a separate metering window or external hand-held light meter. In some cameras various TTL metering modes can be selected. This information can then be used to set the optimal film or image sensor exposure (average luminance), it can also be used to control the amount of light emitted b… WebTTL stands for ‘Through The Lens’ and it’s a term used to describe exposure metering based on what your camera sees. In relation to TTL flash photography, your camera will take a … updated comprehensive heart failure guideline
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WebTTL flash metering measures the burst of flash output light reflecting back from the subject and takes its reading through the lens. It will take this reading from the section in your view where the active focusing point is set. TTL manipulates the flash exposure with a dedicated sensor that measures the flash output reflected from the surface ... WebJun 29, 2024 · TTL is an acronym for ‘Through The Lens’ which is an automated flash metering method. To keep things simple, your strobe emits a pre-flash and the emitted light is reflected back from your subject (or … WebIn photography, TTL stands for through-the-lens and it’s a clever function that many speedlites as well as some strobes have. A pre-flash is sent out by the flash or strobe, and … updated country living room