Most large-sensor cameras use a Bayer colour filter pattern to allow full colour images to be output - after "debayering". This entire process is now pretty routine but unfortunately what is also routine is the amount of light lost through the colour filter process. Less light means more noise, and noise is what ultimately limits the low-light capabilities all cameras
Canon is one of the relatively few manufacturers that develops its own sensors. This means that they're in a great position to create new sensors with new capabilities, and that's just what they've done with their new 35mm Full Frame CMOS sensor for video capture
Over the weekend we brought you the first images that were from the new RED Dragon sensor. We thought they looked sensational, and said so, but before everyone (including us) gets carried away, it's worth injecting a note of caution into the frenzy that surrounds this new sensor
As we saw in my previous article on sensor technology, we can now build sensors with enormous numbers attached to them - if not trivially, at least reliably. Given that current 4K sensors are more than adequate to replace 35mm film in terms of sheer resolution, we need to be careful about turning this into a numbers game.
Last time, we discussed some of the technical concerns of lens selection and the issues of compatibility with sensors of various configurations and sizes. In this part, we'll look at the effects sensor size has on photography and the engineering compromises behind lenses and sensors
Why would you use CCD when CMOS is newer and cheaper?