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2. Blink Home - Wikipedia

   en.wikipedia.org/wiki/Blink_Home

   Subsequently, Blink later announced an outdoor security camera, [3] home security system, [4] and video doorbell. [5] Amazon announced in December 2017 that they had acquired the company. [6] Immedia Semiconductor, LLC continues to operate as an independent subsidiary. [7] It is anticipated that Blink's technology will be used for the Amazon ...

3. Flash (photography) - Wikipedia

   en.wikipedia.org/wiki/Flash_(photography)

   On some cameras the flash exposure measuring logic fires a pre-flash very quickly before the real flash. In some camera/people combinations this will lead to shut eyes in every picture taken. The blink response time seems to be around 1 ⁄ 10 of a second. If the exposure flash is fired at approximately this interval after the TTL measuring ...

4. Canon EOS flash system - Wikipedia

   en.wikipedia.org/wiki/Canon_EOS_flash_system

   The pre-flash may cause undesirable reactions from animate objects - e.g. humans may blink as a reaction to the pre-flash, and have their eyes closed by the time the main flash occurs. When using flash exposure lock (FEL), the pre-flash is fired when FEL is activated. E-TTL has two major disadvantages over A-TTL when used with film cameras. [2]

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   www.aol.com/blink-outdoor-security-camera-40...

   The Blink Outdoor HD Security Camera is currently on sale for $59.99, down from its original price of $99.99, saving you 40%. Still not convinced? Still not convinced?

6. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

7. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Wireless security cameras function best when there is a clear line of sight between the camera(s) and the receiver. If digital wireless cameras are outdoors and have a clear line of sight, they typically have a range between 250 and 450 feet. If located indoors, the range can be limited to 100 to 150 feet.