Lenses
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Specifications:
| Manufacturer | Canon |
|---|---|
| Model | EF 100-400 mm f/4.5-5.6 L IS USM |
| Lens style | Telephoto zoom |
| Focal length | 100 - 400 mm |
| Maximum aperture | f/4.5 - 5.6 |
| Angle of view | 24.4 - 6.2 o |
| Closest focusing distance | 1.8 m |
| Maximum magnification | 1:5 |
| Minimum aperture | 40 |
| Number of diaphragm blades | 8 |
| Auto focus type | AF USM |
| Lens Construction | 17 elements / 14 groups |
| Filter diameter | 77 mm |
| Macro | No |
| Available mounts | Canon |
| Dimensions | 92 x 189 mm |
| Weight | 1360 g |
| Additional information | Marketed November 1998 |
Average rating (2 owners reviews).
| Build quality | 5.00 |  |
|---|---|---|
| Optical quality | 4.50 |  |
| Value for money | 3.50 |  |
| Overall | 4.33 | |
| Build quality |  |
|---|---|
| Optical quality | |
| Value for money | |
| Overall | |
Owner since: 3 months
Price: AU$1500
User profile: Professional
Cons: Very fiddly zoom locking ring, softish at 100mm, and at edges at 400mm on full frame, with colour fringing. Only about 320mm at closest distance, but 400mm at infinity. Shortest is really about 105mm.
Pros: No major optical faults when stopped down a bit, useful range in a handy package, fast AFon a 5D2.
Summary: A good idea almost well-executed. The push-pull zoom is not a problem, but the zoom locking ring is a design disaster, interfering with the focussing ring and not even locking/tensioning properly. Set it, grab some wide duct tape and tape it to the focussing ring, and you will have no more problems with it. Otherwise, slightly disappointing optically on a 5D2, but better than most tele zooms on full frame. Good at about 120-350mm f8-16. Poor minimum focussing distance but quite good macro quality with extension tubes. AF is fast and accurate on my example.
| Build quality | |
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| Optical quality | |
| Value for money | |
| Overall | |
Owner since: 1 year
Price:
User profile: Semipro
Cons: F4 over the range would be better value for money flare resistance could be better
Pros: very good colors good performance over the range fast zooming possible very good sharpness
Summary: F4 over the range should be possible by considering the price
