Amstelveen, The Netherlands, 17 September, 2008: Canon today strengthens its line-up of EF-series lenses with the introduction of a new fast aperture prime lens: the EF 24mm f/1.4L II USM. Replacing the EF 24mm f/1.4L USM, the EF 24mm f/1.4L II USM has been completely redesigned to provide an exacting partner lens to Canon’s new EOS digital SLRs, the EOS 50D and EOS 5D Mark II.

The EF 24mm f/1.4L II USM offers:
- Fast f/1.4 aperture
- Aspherical and UD lens elements for correction of chromatic aberration
- Sub Wavelength structure Coating (SWC) to dramatically reduce ghosting and flare
- Circular aperture for pleasing bokeh
- USM for full-time manual focus
- Lead-free glass (RoHS compliance)
- Lens hood and pouch supplied
Superior image performance
Featuring a 13-element, 10-group lens, the EF 24mm f/1.4L II USM is designed to achieve the highest standards of image quality. Two high-precision GMo aspheric lenses are employed to correct various forms of aberration such as curvature of field and distortion, with a floating mechanism ensuring crisp corner-to-corner detail throughout the focal range. In addition, two UD lenses reduce the chromatic aberration common in wide-angle lenses.
A fast, ultra-large maximum aperture of f/1.4 delivers excellent low-light performance, with the circular aperture offering the potential for creative out-of-focus highlights. A focal length of 24mm and a USM focus motor providing full-time manual focus also make the EF 24mm f/1.4L II USM ideal for situations where a wide-angle, high-performance lens is required.
Advanced lens coating
Reflections off a digital camera’s image sensor can compromise images with ghosting and flare. To help reduce this, the inside of EF 24mm f/1.4L II USM’s front element is treated with Canon’s new Sub Wavelength structure Coating. Developed specifically to work with Canon optics, this anti-reflective coating helps reduce flare and ghosting - for consistently crisp, undistorted images.
Robust build quality
The EF 24mm f/1.4L II USM is designed to withstand the rigours of even the most testing shooting environment – with Canon’s advanced weather and dust sealing making it the perfect choice for photojournalists and landscape photographers.
EF 24mm f/1.4L II USM lens specifications
| Maximum format size | 35mm full frame |
|---|---|
| Focal length | 24mm |
| Diagonal Angle of view (FF) | 84º |
| Maximum aperture | F1.4 |
| Minimum aperture | F22 |
| Lens Construction | • 13 elements/10 groups • 2 high refraction glass elements • 2 UD Lens Elements |
| Number of diaphragm blades | 8 |
| Minimum focus | 0.25m (9.9 in) |
| Maximum magnification | 0.17x |
| Focus | • Manual • Auto-Focus |
| Focus method | Rear focus with floating mechanism |
| AF motor type | • Ring-type ultrasonic • Full-time manual focus |
| Image stabilization | None |
| Filter thread | • 77mm • Does not rotate on focus |
| Supplied accessories | • Front and rear caps • EW-83K hood • LP1319 Lens Pouch |
| Weight | 650g (22.9 oz) |
| Dimensions | 93.5mm diameter x 86.9mm length (3.7 x 3.4 in) |
| Lens Mount | Canon EF only |
| Other | • Weather sealed • Provides distance information for E-TTL II flash metering |
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