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2. Canon EOS flash system - Wikipedia

   en.wikipedia.org/wiki/Canon_EOS_flash_system

   Evaluative-Through The Lens (E-TTL) is a Canon EOS flash exposure system that uses a brief pre-flash before the main flash in order to obtain a more correct exposure. Unlike TTL and A-TTL metering, which use a dedicated flash metering sensor mounted in the base of the mirror box, E-TTL uses the same evaluative metering sensor used for ambient ...

3. Through-the-lens metering - Wikipedia

   en.wikipedia.org/wiki/Through-the-lens_metering

   The light returning through the lens is measured and this value is used to calculate the amount of light necessary for the actual exposure. Multiple pre-flashes can be used to improve the flash output. Canon referred to this as Evaluative TTL (E-TTL) and later improved the system with E-TTL II. The first form of digital TTL by Nikon, called "D ...

4. Canon EOS - Wikipedia

   en.wikipedia.org/wiki/Canon_EOS

   This was the first Canon camera with through-the-lens (TTL) flash metering, although other brands had been metering that way for some time. It also introduced the A-TTL (Advanced TTL) system for better flash exposure in program mode, using infrared preflashes to gauge subject distance. This system was carried over into the early EOS cameras ...

5. List of Canon products - Wikipedia

   en.wikipedia.org/wiki/List_of_Canon_products

   Canon printers are supplied with Canon Advanced Printing Technology (CAPT), a printer driver software stack developed by Canon. The company claims that its use of data compression reduces their printer's memory requirement, good quality compared to conventional laser printers, and also claim that it increases the data transfer rate when ...

6. Point-and-shoot camera - Wikipedia

   en.wikipedia.org/wiki/Point-and-shoot_camera

   Digital cameras share one advantage of the SLR design, as the camera's display image comes through the lens, not a separate viewfinder. Mirrorless interchangeable lens cameras (MILCs) lack a mirror but in many ways can be used the same as DSLRs. Many smaller digital point-and-shoots of the 2010s omit the viewfinder and use only the screen.

7. Live preview - Wikipedia

   en.wikipedia.org/wiki/Live_preview

   Live preview on LCD. The concept for cameras with live preview largely derives from electronic TV cameras.Until 1995 most digital cameras did not have live preview, and it was more than ten years after this that the higher end digital single-lens reflex cameras (DSLR) adopted this feature, as it is fundamentally incompatible with the swinging-mirror single-lens reflex mechanism.

8. Student loans: One-time payment adjustment of $39 billion ...

   www.aol.com/finance/student-loans-one-time...

   On Friday, the Department of Education announced that it will begin discharging student loan debts for borrowers who’ve been in repayment for 20-25 years under a one-time payment adjustment ...

9. Canon EOS 100 - Wikipedia

   en.wikipedia.org/wiki/Canon_EOS_100

   The Canon EOS 100 is a 35 mm autofocus SLR camera introduced by Canon in 1991. It was marketed as the EOS Elan in North America. It was the second camera in the EOS range to be targeted at advanced amateur photographers, replacing the EOS 650 .