Canon EF 24-105mm f/4L IS USM
Full-frame 24–105 mm f/4 standard zoom lens with optical image stabilisation

The EF 24-105mm f/4L IS USM is a Canon EF standard zoom for full-frame cameras. Its wide-angle-to-short-telephoto range and constant f/4 maximum aperture make it a versatile lens for travel, events and everyday photography.
Optical image stabilisation is rated for up to three stops of shake correction. The lens also offers ring-type USM autofocus, full-time manual focusing and dust- and moisture-resistant construction. This is the original 2005 model, not the later IS II version.
Specifications
| Main features | |
|---|---|
| Type | Standard zoom lens |
| Announced | 2005-08-22 |
| Focal length | 24–105 mm |
| Lens mount | Canon EF |
| Price | ¥145,000 original Japanese list price (2005) |
| Aperture | |
| Maximum aperture | f/4 |
| Minimum aperture | f/22 |
| Aperture ring | No |
| Number of diaphragm blades | 8 |
| Aperture notes | Circular diaphragm |
| Optical layout | |
| Elements | 18 |
| Groups | 13 |
| Special elements / coatings | Three aspherical elements and one Super UD element; Super Spectra coatings |
| Image stabilisation | Optical IS, up to 3 stops |
| Focus | |
| Minimum focus | 0.45 m |
| Maximum magnification | 0.23× at 105 mm |
| Autofocus | Yes |
| Motor type | Ring-type USM |
| Full time manual | Yes |
| Focus method | Internal focusing |
| Distance scale | Yes, in a window |
| DoF scale | No |
| Physical | |
| Environmentally sealed | Dust- and moisture-resistant construction |
| Weight, g | 670 |
| Diameter | 83.5 mm |
| Length | 107 mm |
| Colour | Black |
| Zoom method | Rotary, extending |
| Zoom lock | No zoom-lock switch |
| Filter thread | 77 mm |
| Hood supplied | Yes |
| Hood product code | EW-83H |
| Tripod collar | No |
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