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Canon EF 24-105mm resolution, tested with EOS 5D
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To measure resolving power we photographed
the Enhanced Digital Camera Resolution Chart with each lens set to f8 using
a Canon EOS-5D in Aperture Priority mode. The 5D was set to Large Fine JPEG
mode and the Standard Picture Style. Check the captions for the individual
focal lengths used.
The crops are taken from the originals and presented here at 100%. Each
number represents 100 lines per picture height (lpph), so a figure of 18
means a resolution of 1800 lpph. |
| In this test, the Canon EF 24-105mm and EF 24-70mm lenses share roughly the same resolving
power, although the latter has a slight edge in the horizontal result. Interestingly
the EF 17-40mm lens when zoomed-into 40mm, slightly out-performs both the EF 24-105mm
and EF 24-70mm - in the middle of the field anyway. It's testament to Canon's L optics though that all three zooms
essentially keep-up with the resolving power of the EF 85mm f1.8 prime lens. |
Canon EF 24-105mm f/4L IS USM |
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Canon EF 24-70mm f/2.8L USM |
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2300 lpph, 24-105mm at 70mm, f8, 100 ISO |
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2350 lpph, 24-70mm at 70mm, f8, 100 ISO |
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Canon EF 17-40mm f/4.0L USM |
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Canon EF 85 mm f/1.8 USM |
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2400 lpph, 17-40mm at 40mm, f8, 100 ISO |
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2400 lpph, 85mm, f8, 100 ISO |
Canon EF 24-105mm f/4L IS USM |
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Canon EF 24-70mm f/2.8L USM |
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2300 lpph, 24-105mm at 70mm, f8, 100 ISO |
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2300 lpph, 24-70mm at 70mm, f8, 100 ISO |
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Canon EF 17-40mm f/4.0L USM |
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Canon EF 85 mm f/1.8 USM |
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2350 lpph, 17-40mm at 40mm, f8, 100 ISO |
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2300 lpph, 85mm, f8, 100 ISO |
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