Canon Ef 24mm 28 Usm Review is stm
Historically, Canon hasn't been known for making pancake lenses. Just a few years ago it dipped its toes into the water of the ultra-slim prime number lens space with the EF 40mm f/2.viii STM ($149.00 at Adorama) for full-frame photographic camera bodies. Joining it is the cheap Canon EF-S 24mm f/2.8 STM ($149.99) lens for APS-C cameras. When paired with a Rebel or another crop-sensor Catechism body, its field of view is just a piffling bit wider than the 40mm on a full-frame body, equivalent to most 38mm. It'southward quite sharp, even at f/2.8, and while information technology does show some concealment of corners at its widest aperture, that's a small price to pay for its compact form factor, peculiarly when you consider its price. Anyone buying a Canon SLR should purchase information technology as a meaty supplement to the run-of-the-mill EF-S 18-55mm f/iii.5-5.6 IS STM ($149.00 at Adorama) lens that's bundled with about Insubordinate bodies. It'south an easy pick for our Editors' Choice award.
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The EF-S 24mm ($149.00 at Adorama) measures just 0.9 past 2.7 inches (Hard disk), weighs iv.four ounces, and supports 52mm front filters. There's only one control switch, which toggles the focus mode. The manual focus ring only activates the internal focus motor to arrange focus; information technology's a different experience than the mechanical manual focus rings you'll notice on near Canon lenses. If you're a fan of focusing manually, you may desire to skip this lens, as the lack of tactile feedback when focusing is disconcerting. Simply you'll never detect that if yous leave the switch prepare to AF, as most photographers looking at this lens will.
The lens focuses to 6.3 inches, which delivers a pretty decent i:3.vii magnification factor. When shooting at f/2.8 it's easy to mistiness the background of shots while working at closer focus distances. Its aperture is a 7-blade design with rounded edges, so what bokeh you lot practice get when the lens is stopped downwards is smooth. The focus motor is an STM pattern. Information technology'south quiet, and offers very smooth autofocus when recording video with a compatible torso similar the T5i ($149.00 at Adorama) , SL1 ($149.00 at Adorama) , 70D ($149.00 at Adorama) , or 7D Marker Two. Not and so peachy for video is the lack of image stabilization, a consequence of size, which makes recording steady handheld footage a challenge.
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I used Imatest to check the sharpness of the lens when paired with the 20-megapixel EOS 7D Marker Ii ($149.00 at Adorama) . At f/2.8 the lens scores ii,299 lines per picture peak on a centre-weighted sharpness test, which is ameliorate than the 1,800 lines we like to see. Border performance is strong—the outer 3rd of the frame shows 2,054 lines. Baloney is largely a nonissue; the lens shows less than 1 percent barrel distortion, which is not noticeable in field atmospheric condition. Vignetting is an issue; in that location's a noticeable concealment effectually the periphery of the frame. If information technology distracts from an image it's a pretty easy correction to make in photo editing software like Adobe Lightroom.
Stopping down to f/4 improves the overall score to 2,383 lines, and while at that place's still some concealment at the edges, information technology's much less noticeable than it is at f/2.eight. At f/5.half-dozen diffraction sets in and drops the sharpness slightly to 2,347 lines. The lens shows 2,260 lines at f/8 and ii,094 lines at f/xi. It can be stopped downwardly as far every bit f/22 as desired, but we don't recommend using information technology beyond f/11.
The Canon EF-S 24mm f/two.eight STM is modest, inexpensive, and sharp. Information technology'south a keen lens for aboveboard indoor shots, family snapshots, and documentary street photography akin. Information technology doesn't offer image stabilization, and it doesn't capture as much light every bit an f/2 or f/1.four lens would do, simply you lot can't take everything for $150. If y'all've got an APS-C Canon camera, it's most a no-brainer to buy at this price. It's an piece of cake Editors' Option winner, and a lens that any Canon shooter should remember almost adding to an APS-C SLR kit.
Canon EF-S 24mm f/2.8 STM
Cons
The Lesser Line
The Catechism EF-S 24mm f/2.8 STM is the precipitous, meaty, and inexpensive lens that every Canon shooter should ain.
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