How many mega pixels is analog 800tvl?

Is it better to have more pixels or less pixels? Where is the aperture on a camera? What aperture is good for low light? What are the benefits of CCTV? What are some photography rules to remember to take good flower pictures? When was the vitascope invented? What kind of batteries do these monitors take? Where are the cameras located on the hubble telescope? What is a reflective opto device? What is the Difference between optical zoom and dynamic zoom? Do the aperture controls adjust the length of time the light strikes the sensor? Do cameras have to have mirrors to take a picture? Who took the first photograph of a living person in the Victorian times? When to use a Waterproof Camera? What is aerial distance? What type of tag allows you to search for photos or videos using keywords? How do you get back deleted pictures on digital cameras? How do you zoom out in tanki online when in battle? Which company produces the Coolpix digital camera? What part of the eye works similar to the shutter of a camera?