Canon EF 300mm f/4.0L IS USM Overview
Telephoto prime lens | Canon EF | 2530A004
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Product description
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The Canon EF 300mm F4.0L IS USM is a relatively compact (but at 1190 grams not particularly lightweight) L-series telephoto prime lens, compatible with Canon's full-frame and APS-C DSLRs. The 300mm F4 trades brightness for portability, but a dual-mode (for normal and panning shooting) image stabilization system allows you to shoot at shutter speeds up to two stops lower than would otherwise be possible without a tripod. Optical construction consists of 15 elements in 11 groups, including two UD (ultra low-dispersion) elements and the lens is weather-sealed.
Quick specs
| Lens type | Prime lens |
| Focal length | 300 mm |
| Image stab. | Yes (2 stops) |
| Lens mount | Canon EF |
| Max aperture | F4 |
| Min aperture | F32 |
| Min focus | 1.50 m (59.06″) |
| Max magnification | 0.24× |
| Weight | 1190 g (2.62 lb) |
| Length | 221 mm (8.7″) |
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