The “crop factor” relates to the ratio of a sensor’s diagonal size compared to a full-frame sensor. For APS-C sensors, this factor usually ranges between 1.5x to 1.6x. This means that a lens on an APS-C camera multiplies its effective focal length by the crop factor. For instance, a 50mm lens on an APS-C camera offers a field of view All of them have benefits and limitations. Full frame offers you better low light performance but the gear is significantly bigger and generally more expensive than crop sensor cameras. APS-C offers good value, but the lens offering (with Sony) is more limited and for video the cameras are known to overheat.
Using an APS-C lens on a full frame camera is generally a bad idea, since you'll (generally) have extreme vignetting. Some full frame cameras can actually be damaged by having APS-C lenses attached Focal length is a physical property of a lens, so a full frame lens on an APS-C body will look the same as an APS-C lens of the same focal length.

Because the image sensor on Canon APS-C cameras is 1.6 times smaller than a 35mm camera, you multiply the listed focal length of the lens by 1.6 to determine its equivalent. If you’ve used a full-frame camera or know the focal lengths, crop factor can be very helpful in choosing your EF-S lenses.

Among interchangeable-lens digital cameras equipped with an APS-C image sensor as of January 2019, based on Sony research, measured using CIPA-compliant guidelines, and internal measurement method with an E 18-135mm F3.5-5.6 OSS lens mounted, Pre-AF off and viewfinder in use. Best Sony FE-Mount Lenses for full-frame and APS-C. The following lenses are designed for Sony’s full-frame Alpha cameras, on which they will deliver their stated focal length; i.e. a 50mm lens will deliver a 50mm effective focal length. If you’re using an APS-C Sony mirrorless camera, such as the Sony Alpha A6600, or Sony ZV-E10, these Full-frame sensors measure the same as 35mm film, which is 36 x 24mm. Meanwhile, smaller APS-C sized sensors measure in at either 23.6 x 15.7mm (Nikon, Pentax, Sony, Fujifilm) or 22.2 x 14.8mm (Canon). That makes full-frame about 2.6x larger in terms of total surface area size. As you can see, the difference between APS-C and micro four thirds is a bit less than the difference between full frame an APS-C. In fact, the area of an APS-C sensor is about 1.6 times the area of a micro four thirds sensor, albeit with an aspect ratio of 3:2 for APS-C rather than 4:3 for micro four thirds. Not all APS-C sensors are the same Sony make a full-frame camera for seemingly every market niche - the A7R for landscapes, A9 for sports, A7S for video, A7 for all-round, and the A7C as a super-compact option. And in January 2021 they launched the flagship Alpha 1, a stunning camera that takes all the best features from the other Alpha series models and combines them into one The Sony a6600 APS-C Mirrorless Interchangeable Lens Camera offers Real-time Eye AF and 5-axis image stabilization. Explore more features at Sony.
As for APS-C lenses, some do better than others. On an A7 III, I would be hesitant (less so if you had an R II or R III) because of the 10mp starting point. Many have used successfully: Sony 10-18mm. Sony 55-210mm. The 10-18mm can cover the FF image at 16mm, although the corners are mushy and vignetted.
When it comes to telephoto lenses, some of the best APS-C options for full frame cameras include the “Canon EF-S 55-250mm f/4-5.6 IS STM” and the “Nikon AF-S DX NIKKOR 55-300mm f/4.5-5.6G ED VR”. These lenses offer good image quality and decent reach for shooting distant subjects. For example, if we use a 50mm lens at f/2.8 on our Canon APS-C camera with a crop factor of 1.6X, then: We would get a field of view that would be equivalent to using an 80mm lens on a FF camera . We'd also get depth of field that looks about the same¹ as if we had used f/4.5 with the 80mm lens on the FF camera .
105mm f/2.8 DG DN MACRO Art. Check Price. 21. Sony. FE 50mm f/2.8 Macro. Check Price. (Image credit: Canon) Photographers can use the best macro lenses to uncover all sorts of miniature natural wonders. Macro lenses are built with a specific optical construction that enables the dramatic magnification of small subjects.
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  • can you use aps c lenses on full frame camera sony