So let's say you take an image on my Sony a6000 at 24mm. The 1.5 crop factor rating is how we convert. How do we calculate the difference? With crop factors. What they capture at 24mm is actually a lot more of the scene (or, if keeping it in camera vernacular, ‘wider'). Full frame cameras, on the other hand, can capture a larger scene due to the larger sensor size. A 24mm rated photo on my camera captures a scene proportional to what the camera's sensor allows. My Sony a6000 has an APS-C sensor with a crop factor of 1.5.
If comparing a full frame rated lens with a crop sensor lens on the same crop sensor camera body, the main difference is this: nothing. Even I have to admit being messed up on it for quite some time (hence this post). The confusion comes in to play in what kind of image these two lenses will produce at comparable focal lengths, as the discussion of camera “crop factors” is often used interchangebly with lenses as much as they are for sensors. There is a lot of confusion on the performance difference between lenses if used on a specific camera body, especially with regards to using full frame lenses on crop sensor cameras (like the Sony a6000, my camera, which uses a “crop” APS-C sensor).Ĭameras like mine take lenses designed for crop sensors (naturally), but also take lenses that are rated for full frame cameras (like the Sony a7iii). Listed prices and attraction details may have changed since our visit and initial publication. Please check out our Terms and Conditions for more information. Disclaimers: Our site uses demographic data, email opt-ins, display advertising, and affiliate links.
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