Canon SL1 Image Quality Comparison
The crops below compare the Canon SL1 to the Canon T5i, Nikon D3200, Olympus E-PL5, Pentax K-30, and Sony NEX-6.
Note that these images are best quality JPEGs straight out of the camera, at default settings including noise reduction. Each camera was shot with one of our very sharp reference prime lenses.
Canon SL1 versus Canon T5i at Base ISO
Canon SL1 at ISO 100 |
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Canon SL1 versus Nikon D3200 at Base ISO
Canon SL1 at ISO 100 |
Nikon D3200 at ISO 100 |
Canon SL1 versus Olympus E-PL5 at Base ISO
Canon SL1 at ISO 100 |
Olympus E-PL5 at ISO 200 |
Canon SL1 versus Pentax K-30 at Base ISO
Canon SL1 at ISO 100 |
Pentax K-30 at ISO 100 |
Canon SL1 versus Sony NEX-6 at Base ISO
Canon SL1 at ISO 100 |
Sony NEX-6 at ISO 100 |
Most digital SLRs and CSCs will produce an excellent ISO 100 shot, so we like to push them and see what they can do compared to other cameras at ISO 1600, 3200, and 6400. Recent advances in sensor technology have made ISO 1600 look a lot more like ISO 100, but there are still cameras whose quality starts to fall apart at this setting. We also choose 1600 because we like to be able to shoot at least at this level when indoors and at night.
Canon SL1 versus Canon T5i at ISO 1600
Canon SL1 at ISO 1600 |
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Canon SL1 versus Nikon D3200 at ISO 1600
Canon SL1 at ISO 1600 |
Nikon D3200 at ISO 1600 |
Canon SL1 versus Olympus E-PL5 at ISO 1600
Canon SL1 at ISO 1600 |
Olympus E-PL5 at ISO 1600 |
Canon SL1 versus Pentax K-30 at ISO 1600
Canon SL1 at ISO 1600 |
Pentax K-30 at ISO 1600 |
Canon SL1 versus Sony NEX-6 at ISO 1600
Canon SL1 at ISO 1600 |
Sony NEX-6 at ISO 1600 |
Today's ISO 3200 is yesterday's ISO 1600 (well, almost), so below are the same crops at ISO 3200.
Canon SL1 versus Canon T5i at ISO 3200
Canon SL1 at ISO 3200 |
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Canon SL1 versus Nikon D3200 at ISO 3200
Canon SL1 at ISO 3200 |
Nikon D3200 at ISO 3200 |
Canon SL1 versus Olympus E-PL5 at ISO 3200
Canon SL1 at ISO 3200 |
Olympus E-PL5 at ISO 3200 |
Canon SL1 versus Pentax K-30 at ISO 3200
Canon SL1 versus Sony NEX-6 at ISO 3200
Canon SL1 at ISO 3200 |
Sony NEX-6 at ISO 3200 |
Detail: Canon SL1 vs. Canon T5i, Nikon D3200, Olympus E-PL5, Pentax K-30 and Sony NEX-6
Canon SL1 Print Quality Analysis
The SL1 delivers good 24 x 36 inch prints at ISO 100/200; makes a good 16 x 20 inch print at ISO 800 and a usable 4 x 6 at ISO 12,800.
ISO 400 allows for great prints up to 20 x 30 inches, while 24 x 36 inch prints are suitable for wall display.
ISO 800 images look good at 16 x 20 inches. There is a hint of noise, but you only really notice it in the shadow areas. 20 x 30 inch prints are suitable for wall display.
ISO 1600 makes a good 13 x 19 inch print with a nice level of fine detail. Colors also looked accurate and pleasing. At 16 x 20, the image is a bit too soft in finely detailed areas for us to make the call at that size. Noise starts to appear a bit in the shadows if you look closely, but noise in the highlights and midrange areas are very low.
ISO 3200 prints start to show a bit more noise in the shadows, and the SL1 starts to have noticeable issues with red colors (particularly in our red fabric area of our test scene), but it still produces a nice 8 x 10 inch print. As before, shadow noise is apparent, but otherwise the image looks great and fine details are still noticeable.
ISO 6400 makes a decent 5 x 7, but noise and a reduction in fine detail starts to degrade image quality, preventing us from calling anything larger acceptable.
ISO 12,800 images are fairly heavy on noise and lack fine detail at larger sizes, but can still produce a decent 4 x 6 inch print. Colors still look okay, if a little on the dull side.
ISO 25,600 images were too mushy on fine detail and high ISO noise was very apparent, and therefore we would recommend avoiding this ISO level for use in prints.
The Canon Rebel SL1 uses an 18-megapixel APS-C sensor that's very similar to the one housed inside the Canon T4i & T5i, and produces excellent results for large prints at low ISO levels, all the way up to wall-mountable 30 x 40 inch prints at ISO 100 and 200. Additionally, this camera did surprisingly well in handling noise and grain at higher ISO levels. It wasn't until we got to ISO 6400 and looked very closely at the shadow areas that we began to see noise as well as noticeable degradation in fine detail. Once we get up to ISO 12,800, things start to look a little bleak, although we still thought a 4 x 6 inch print looked acceptable. At ISO 25,600, the lack of fine detail and high ISO noise levels made it difficult for us to call any size acceptable. All in all, a solid performer from Canon with its micro-sized DSLR.
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