If you're confused about the difference between an EF and an EF-S lens, you're not alone. Simply put, EF-S lenses are made to fit the smaller APS-C "crop" Canon cameras, and EF lenses are bigger and made to work with full frame APS Canons.
It can be confusing because you CAN use the larger EF lenses on the smaller APS-C cameras. I do it all the time. This post will give you a full understanding of the EF-S vs EF lens comparison.
Canon EF 17-40mm Wide Angle
Canon EF 24-70 f/2.8
Canon EF 24-105mm F/4.0
Canon EF 70-200mm F/4.0
Canon EF 75-300mm Tele Zoom
Canon EF-S 10-18 Wide Angle
Canon EF-S 18-55mm Kit Lens
Canon EF-S 18-135mm 7.5x Zoom
Canon EF-S 28mm f/2.8 Prime
Canon EF-S 60mm f/2.8 Macro
Here are the advantages and disadvantages of the Canon EF-S and EF lenses.
One of the clear advantages of starting with an EF lens is that you can use it on either the full frame APS or smaller APS-C cameras. The disadvantage of starting with an EF-S lens is that you'd have to upgrade to a large lens should you ever upgrade from a small APS-C crop camera like I did when I first became a Canon shooter.
EF-S lenses win the price advantage. They're made with smaller diameter optics and are less expensive to manufacture. That means they're more affordable for you.
In general, most the EF lenses are made to higher quality standards for professional photographers who usually shoot with full frame sensor cameras. Usually, that means superior image quality too.
The question arises if you can use an EF lens of a APS-C camera. The answer is yes. Attaching your EF lens to a smaller sensor camera doesn't change its actual focal length. You're actually just less less of the image circle of the EF lens and getting a narrower angle of view.
The challenge that comes with that is that your angle of view may be too narrow to fit the entire subject into your composition.
It doesn't work. The lens mount makes it impossible for you to even mount the smaller EF-S lenses onto a camera body that requires a larger EF lens.
I'm a newbie at making videos, but this video might help to get a better understand of the differences between an EF and an EF-S Lens,
EF-S lenses don't have as wide of an angle of view relative to their focal length. Lenses, when used on a APS-C camera, "crop" into a full size image by a factor 1.6 times. You should be familiar with the term crop factor. The best way to explain this is with an example.
My Canon 70D (an APS-C camera) has that 1.6x crop factor. That means with an EF-S 10-18mm lens, it's angle of view is really equivalent to [10-18 multiplied by 1.6] or a 16-28.8mm angle of view on a non-crop, full frame camera.
Here's a full explanation of crop factor published on my sister site.
There are 3 ways to tell the difference between the EF and EF-S lenses. First, just look at the overall size difference between the EF-S and EF lenses. Second, just read the printed writing on the lens itself.
Finally, you can look at the size of the opening on the camera end of the lens. The EF lenses have much bigger internal diameter and lens opening near the camera.
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I hope you found this explanation of Canon EF and EF-S lenses helpful. Use the search box below to find other posts about Canon gear or check out the list of related Canon lens articles below my signature. Have a blast by shooting your Canon.
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