josel119 0 Posted October 16, 2007 Hello everybody, well this is the second time im installing a dvr system and i have a couple questions. what kind of dvr cards are the best? because i've put a 9 bit card but i didnt like it the image quality and also how is the quality of the 10-bit card. what is the difference of the 1/3 and 1/4 cameras, i suppost that the 1/3 is better than the 1/4 but i just want to know why. sorry to be putting this kind of post but one of my friends wanted to tell me this information!! thanks Share this post Link to post Share on other sites
CameraGimp 0 Posted October 17, 2007 what is the difference of the 1/3 and 1/4 cameras, i suppost that the 1/3 is better than the 1/4 but i just want to know why. The 1/3 and 1/4 refer to the size of the imager. Well it goes back to the diameters of the tubes used in very old cameras. A general rule of thumb is the larger the imager the more sensitive it is. Two identical CCD's in 1/4" and 1/3" have the same number of pixels so the pixels are bigger and hence more sensitive on the larger CCD. Share this post Link to post Share on other sites
