Comparison of Canon EF 24-70mm ƒ/4L IS USM and Canon EF-S 15-85mm ƒ/3.5-5.6 IS USM [S]ave
| Attribute |  Canon EF 24-70mm ƒ/4L IS USM × |  Canon EF-S 15-85mm ƒ/3.5-5.6 IS USM × |
|---|---|---|
| Aperture (f) | 4.00 - 22.00 | 3.50 - 38.00 |
| Filter Size (mm) | 77 | 72 |
| Notes | Hybrid Image Stabilization up to 4 stops; Macro function; Dust and moisture resistant | EF-S lens mount, exclusively for bodies with APS-C sensors. Image Stabilization up to 4-stops. |
| Closest Focus (m) | 0.38 | 0.35 |
| Magnification Ratio (x) | 0.7 | 0.21 |
| Zoom System | Rotating | Rotary |
| Type | Standard Zoom | Standard Zoom |
| APS Equivalent | 38 - 112mm | 24 - 136mm |
| Diaphragm Blades | 9 | 7 |
| Image Circle | 35mm | APS-C |
| Focal Length (mm) | 24.00 - 70.00 | 15.00 - 85.00 |
| Brand | Canon | Canon |
| Name | Canon EF 24-70mm ƒ/4L IS USM | Canon EF-S 15-85mm ƒ/3.5-5.6 IS USM |
| Weight (g) | 600 | 575 |
| Diaphragm Blades Type | rounded | rounded |
| Lens Construction | 15 elements in 12 groups, including 2 asperical and 2 UD elements | 17 elements in 12 groups, including UD and aspherical elements |
| Diagonal Angle of View (degree) | 34.00 - 84.00 | 18.40 - 84.50 |
| Length (mm) | 93 | 88 |
| Diameter (mm) | 83.4 | 82 |
| Focus Details | Internal; USM with AF/MF switch | Inner focusing; full-time manual focus and USM; AF/MF switch |
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