![]() The marked focal lengths assume a full-frame camera, as do all SLR camera lenses. A lens marked as 50 mm will actually have an effective focal length of 80 mm (50 mm X 1.6).Įven though EF-S and EF-M lenses can only be used on cropped sensor cameras, the crop factor still applies. This means that you need to multiply all focal lengths by 1.6 to find out what they will be once attached to the 60D. The amount of that crop is known as the crop factor of the lens. If it’s projected the image on a smaller sensor, the result is as if you were cropping down the image provided. So if your lens has a focal length of 50 mm, it is projecting onto a full-frame sensor. The tricky part to understand is the relationship between the sensor size and the lens’s focal length.Īll lenses use the full-frame sensor as a baseline. The pixels on a full-frame sensor are generally larger and spaced farther apart. While a full-frame sensor is physically bigger, that does not necessarily mean it contains more pixels. In contrast, a Canon full-frame sensor like the one in the EOS 6D is 35.8 by 23.9 mm, approximately the same as a 35mm film negative. The image sensor in the 60D measures 22.3 by 14.9 mm. The Canon EOS 60D is a cropped sensor (APS-C) camera. ![]() It’s important to note, though, that the noise a drive motor makes is more of a factor of the lens’s quality and condition than which technology it uses.Īn L-series USM lens will outperform an entry-level STM motor any day of the week. The newest generation of lenses features the STM, or Stepper Motor Technology. These were fast and accurate drives, and while they were quiet, you could still hear them on video audio recordings. The previous generation was known as USM or Ultrasonic Motor. While nothing can replace a tripod in some instances, IS can help you get more shots with less handshake blur.įinally, Canon denotes the autofocus drive motor technology used in the lens. These lenses allow for shooting in lower light conditions at slower shutter speeds than non-stabilized lenses. They are weather-sealed and use high-quality metal hulls where other lenses might use less expensive plastic pieces.Ĭanon also uses the letters IS to denote their Image Stabilizer lenses. ![]() These lenses have the best optics and fastest apertures that Canon makes, and they have a better build quality than the rest of Canon’s lens lineup. Either of these two types of lens will fit on the 60D, but there are some differences you should know about.Īdditionally, the best Canon lenses have the letter “L” in their names, like the EF 24-70 mm f/2.8L II. EF-M and RF are for Canon’s mirrorless cameras from the EOS M and EOS R series, respectively.ĮF and EF-S lenses are for SLRs and DSLRs like the 60D. T he company makes four different series of autofocus lenses, the EF, EF-S, EF-M, and RF. It’s important to understand a little bit about the camera and the Canon naming system. When trying to complete your camera bag, what lenses are compatible with the Canon 60D? Its aperture isn’t the fastest, but it’s one of the most versatile travel lenses you can buy. This lens has an incredible zoom ability on the 60D, from 29 to 320 mm equivalent. If you’d like a lens with as much reach as possible, look at the Canon EF-S 18-200 mm f/3.5-5.6 IS. At less than $350, though, the Sigma is a significant value over the much more expensive Canon. It has also got IS (Sigma calls it OS) and Sigma’s best Hypersonic Motor (HSM) for autofocusing. The Sigma 17-50 mm f/2.8 EX DC OS HSM FLD is another interesting lens that competes directly with Canon’s 17-55 mm. However, the lens makes up for it with its compact size, which is only 3.5 inches long. It does have IS, which helps in low-light situations, but f/5.6 at 85 mm is marginal for portrait work. This lens gets down to 24 mm equivalent, but its variable aperture means that you lose light as you move to the telephoto end. If you’d like something with more wide-angle ability, check out the Canon EF-S 15-85 mm f/3.5-5.6 IS USM.
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