- Specifications
- Block diagram
| Marketed | November 2010 |
| Original Price | 158,000 yen (w/case and hood) |
| Lens Construction (group) | 14 |
| Lens Construction (element) | 19 |
| No. of Diaphragm Blades | 8(circular aperture) |
| Minimum Aperture | 32-45 |
| Closest Focusing Distance (m) | 1.2 |
| Maximum Magnification (x) | 0.21(300mm) |
| Filter Diameter (mm) | 67 |
| Maximum Diameter X Length (mm) | 89×143 |
| Weight (g) | 1050 |
Offering a wide zoom range from 70 mm to 300 mm, the EF70-300mm f/4-5.6L IS USM telephoto zoom lens makes possible high-resolution, high-contrast photography by incorporating two UD lenses that reduce the occurrence of chromatic aberrations throughout the entire zoom range.
In addition, the EF70-300mm f/4-5.6L IS USM’s high-performance Image Stabilizer, combined with an optimized control algorithm, achieves image stabilization equivalent to approximately four shutter-speed stops.*
* Based on a shutter speed of “1/focal length” seconds, considered the limit to prevent hand shake during hand-held photography.
UD Lens 
IS Unit