To do a conversion from APS-C focal length to its 35mm full frame equivalent focal length, you take the focal length of the lens and multiply it by the crop factor of the sensor. If the Full Frame body was using a 24-70/2.8 lens and the APS-C body was using a 16-50/2.8 lens, they would both be capable of almost identical images, but with an aperture of f/2.8 and a subject distance of 7 feet, the Full Frame body would have a DoF of 0.5 feet and the APS-C body would have a DoF of 0.66 feet, about what the Full. You can use the crop factor of a sensor to do a focal length conversion from APS-C to full frame and vice versa. Micro four thirds sensors from the likes of Olympus and Panasonic have a diagonal length which are 2.0x smaller than a 35mm full-frame sensor. Similarly, APS-C cameras from Nikon, Sony, Fuji and Pentax have a diagonal length that is 1.53x smaller than a 35mm full-frame sensor. A 50mm Sony APS-C lens is the equivalent of 75mm on a full-frame. So a Canon APS-C sensor has a diagonal length that is 1.62x smaller than a 35mm full-frame sensor. The crop factor is calculated by comparing the diagonal length of a crop sensor to the diagonal length of a 35mm full-frame sensor. This way you’ll know whether they are talking about the full frame equivalent focal length or just the focal length of the lens without a crop factor applied. Canon DSLR cameras combine a large CMOS (APS-C or full-frame) sensor with an. This is because the crop factor on a Canon APS-C camera is about 1.6x which means that a 50mm lens actually looks more like 80mm if it were on a full-frame sensor.Īlways pay attention when someone is recommending lenses to you. Frame vs 26MP APSC Comparing the Sony 85mm f/1. If you are listening to lens recommendations from another photographer and they are using a full-frame sensor then if they say that an 80mm lens is perfect for a specific purpose, then they mean 80mm.īut if someone else is using a Canon APS-C sensor camera they might say that a 50mm lens is perfect for that same purpose instead. The ultra-wide lens promises excellent corner-to-corner resolution. Knowing the full frame equivalent focal length of your lens and camera combo can be very important. The 11mm F1.8 is Sonys widest APS-C prime lens, offering an equivalent focal length of just over 16mm. Why Does 35mm Equivalent Focal Length Matter? This crop factor calculator will let you see what a lens will look like on your camera if the lens was on a 35mm full-frame sensor camera instead of a crop sensor camera. For instance, Nikon users often mount the (APS-C mount) 35mm f/1.8 lens on full-frame bodies. These are often high-quality, but they cost much less than their full-frame equivalents. Send Message Please do not fill in this field. Here’s the main advantage of mounting APS-C lenses on full-frame cameras: You can take advantage of smaller, cheaper APS-C lenses offered by manufacturers.
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