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has anyone try "STM" lens on older Canon T2i body?

Started Aug 22, 2016 | Discussions thread
totleytom Contributing Member • Posts: 564
Re: has anyone try "STM" lens on older Canon T2i body?
3

Yes. I've used STM lenses on a T1i (500D), so on an even older body. They are as quiet on that body as on a 7DII or a T6i/T6s. Of course, the T1i remained a 15Mp body and the results from the lens were limited by that, but the lens itself worked perfectly on that older body.

That's the point of the EF and EF-S lens mounts - the instructions from the camera body to the lens ("focus that way!"; "open the diaphragm!") are all electronic. How the lens implements that instruction are entirely the lens' business and will be determined by the technology in the lens, so an STM lens will work on the oldest bodies, and a basic micro-motor (non USM, non-STM) lens will work on the newest. Canon got a lot of criticism in 1987 because the new mount rendered all their old lenses and bodies incompatible, but it was a good decision.

 totleytom's gear list:totleytom's gear list
Canon EOS 90D Canon EF 70-200mm F4L IS USM Canon EF 40mm f/2.8 STM Sigma 17-70mm F2.8-4 DC Macro OS HSM | C Canon EF-S 24mm F2.8 STM
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