This is because a full-frame camera uses a bigger mirror than the APS-C. Viewfinder performance: Scenes appear better and brighter in a full-frame viewfinder than in an APS-C viewfinder. If you often or typically shoot in low-light conditions, a full-frame would be the better choice. This means you can raise the ISO up to higher settings with a full-frame camera. Assuming the same pixel count, the full-frame camera typically has larger photoreceptors ( pixels), gathering more light and giving a more robust image signal. Low light: A full-frame will get you more noise-free images in low-light conditions. If you spend a lot of your time lugging your camera around, you might prefer a smaller camera body with a high-quality sensor. It's something to consider when selecting a camera. The full-frame camera's body is larger than an APS-C. While full-frames are getting smaller (think Sony's A7 range), you typically sacrifice body size for better images. Interestingly, though, the smaller pixel size of APS-C-sized sensors at low sensitivity settings could enable you to capture more fine detail.īody size: You will get better dynamic range, resolution, and images overall at higher ISO settings with full-frame cameras. Image quality: Overall, a full-frame camera gives you a wider dynamic range than an APS-C camera with the same pixel count. The smaller the camera body, the fewer materials used, making it cheaper to manufacture. The smaller sensor is less expensive to produce. Lower costs: There is a difference in costs because the sensor is one of the most expensive things in a camera. APS-C sensor size is smaller, measuring 23.6mm x 15.7mm. Sensor sizes: A full-frame sensor measures 36mm x 24mm, the standard size for 35mm cameras. crop-sensor (APS-C) systems to help you decide. We've put together a six-point comparison of the full-frame vs. Their sensors can't capture a scene the same way or size that a full-frame camera can. Why does that matter? Those sensors produce images with a narrower angle of view. You'll find that entry-level and mid-range DSLRs and many mirrorlesses or compact system cameras (CSCs) also have smaller systems. The crop-sensor cameras have a smaller image sensor than the physical frame of a 35mm film camera. You'll need to look back in time, so to speak, to understand a fundamental difference between crop-sensor and full-frame cameras. The good news is that advances in crop-sensor technology mean you can shoot images up to 50MB in resolution.ĭo you really need to pony up the money for a full frame, or is a crop-sensor enough for your needs? What are the differences between the two cameras? Are they significant enough to justify putting up the money for the more expensive camera? There still is a price difference between a crop-sensor (APS-C) and a full-frame, with a full-frame being the pricier option. And make sure to keep us bookmarked for more great photography cheat sheets.However, technological advances have also been significant for crop-sensor cameras. Use the handy cheat sheet above to see this all for yourself. This can be measured across the diagonal, vertical or horizontal of the frame, although you don’t need to worry too much about the figures here knowing the focal length is enough.Īs a general rule, as the angle of view gets wider (and the number becomes larger), your focal length gets shorter and you can fit more into the frame. So what actually happens when you change focal length? As the diagrams in the cheat sheet above shows, the angle of view changes so that you can accommodate more or less of the scene. If the lens has two, such as the 18-55mm lens mentioned above, then you will be able to use these two focal lengths and everything in between. If there is only one figure in the title, say 50mm or 90mm, then the lens simply offers one focal length. Long telephoto: 300mm on full frame, 200mm on APS-C, or 150mm on MFT camera (Image credit: Chris George)
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