See It Read Our Canon EF 50mm f/1.4 USM Review. 4.0 . Excellent . Carl Zeiss Makro-Planar T* 2/50. The EF-S 24mm f/2.8 STM and, if you prefer a slightly tighter field of view, the EF 40mm f/2.The EF-S 24mm f/2.8 STM sees Canon trying to replicate this winning formula, only now for APS-C shooters. With its 38mm equivalent focal length, the EF-S 24mm f/2.8 gives a natural, undistorted perspective to images. Offering a 38mm (equivalent) angle of view, this focal length may seem like a slightly odd choice for APS-C.
So, first of all. 24 f/2.8 STM and 28mm f/1.8 are wildly different focal lengths. The 24 is an EF-S lens, while the 28 is a EF lens. Since your gear list shows that you have a 70D, you have to think that your camera has a crop factor.
The Canon EF-S 24mm f/2.8 STM is an impressive lens that is small in size and low in price, making it appealing for many photographers. It has a full frame equivalent of 38mm when mounted on a Canon EOS R7 camera, and its autofocus speed is fast, reliable and quiet thanks to its STM motor. Its build is also beautifully made with a metallic lens mount. The lens has quite good sharpnessThe Canon EF-S 24mm f/2.8 STM has a maximum aperture of f/2.8 which lets in quite a bit of light. Its minimum aperture is f/22. Canon says that its “aperture mechanism uses micro-stepping drive control for quieter drive”, which should benefit videographers who use auto exposure modes while shooting video. Re: Canon EF-S 24mm F/2.8 STM: best option of wide-angle prime lens for beginners? In reply to edgareler • Jul 21, 2019 Keep in mind that a 24mm lens isn't that wide on a Canon APSC camera, it corresponds to 38mm on fullframe. Canon RF 28mm f2.8 STM review so far; Zhongyi Mitakon Speedmaster 85mm f1.2 review; Canon RF 100-300mm f2.8L IS USM review so far; Canon RF 24mm f1.8 STM review; Canon RF 100mm f2.8L Macro IS USM review; Canon RF 14-35mm f4L IS USM review; Canon RF 100-400mm f5.6-8 review; Canon RF 16mm f2.8 STM review; Canon RF 5.2mm f2.8L Dual Fisheye x3T9D.