![]() ![]() When you need some extra reach, say about 1.5 or 1. These days, the cameras with some of the best video specs are crop sensor cameras and camcorders. So the aperture f-stop to get the same depth of field would need to be f/2.6. Crop sensors add a multiplier effect to the focal length of a lens. To calculate the f-stop needed it does 4 / 1.53 = 2.61 = f/2.6.The calculator will then do the calculation 50 / 1.53 = 32.68 = 33 mm, meaning you would need a lens with a focal length of 33 mm, so the image is equivalent to one formed with a 50 mm full-frame lens. The crop factor, also known as the focal length multiplier or format factor, is the ratio of the diagonal length between a crop sensor and a full frame.Go to the second section, "35mm full-frame equivalents", and input a focal length of 50 mm and an f-stop of 4.Now the calculator is an APS-C focal length calculator. And this is how we get to the real point of this article. Select the Sony APS-C crop factor with a value of 1.53x from the list of sensor sizes. Today, when buying a lens for a crop sensor, like the one found in the Fujifilm X system cameras, a 35mm or full frame equivalent focal length is usually listed.You have an APS-C camera with a crop factor of 1.53x (a super 35 crop factor), and you want to buy a lens that will give the same image as a 50mm f/4 full-frame lens. Let's look at a common problem when choosing lenses for crop sensor cameras. Considering the crop factor, these two lenses give almost the same focal length: 135mm on a full frame body and 136mm on a crop body. ![]() The calculator will apply the crop factor and tell you the focal length and f-stop in terms of 35mm full-frame equivalents.Īs with most Omni calculators, it also works backward. You can then input the focal length of your camera's lens and the aperture f-stop you are interested in using. An example image will appear when you do this, showing how much smaller or larger your sensor is compared to the standard full-frame sensor. The two most common crop sensor sizes are APS-C and Micro Four Thirds, which have a 1.6x and 1.5x crop factor respectively. The distance between the point where light rays converge inside the lens and the image sensor is known as the focal length. To find the equivalent angle of view for a lens on a crop sensor body, simply multiply the magnification amount by the focal length of the lens. The larger sensor size comes with a few benefits, including higher resolution images, larger pixels for better sharpness, and better low-light performance. That makes the sensor about 24mm x 36mm in size. The first thing to do is to select your camera's sensor size from the list of sensor sizes. Focal length The lens captures the light and send it to the sensor. A full frame sensor is one that's roughly equivalent to the size of a 35mm piece of film.
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