VIII. SPECIFICATIONS | 68 |
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EF 24mm f/1.4L II USM Wide Angle lens
Optics
Focal Length: | 24mm |
Optical construction: | 13 elements in 10 groups |
Aspherical lens elements: | 2 (2nd and 13th elements) |
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glass elements: | 2 (4th and 9th elements) |
Super Spectra coating (special new coating for 1st element) | |
Aperture: | 8 blades with circular shape |
Aperture ratio: | 1:1.4 |
Angle of view at infinity |
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Diagonal (43.2mm): | 84 degrees |
Vertical (24mm): | 53 degrees |
Horizontal (36mm): | 74 degrees |
Focusing |
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AF motor: | Ring USM |
AF speed: | 0.49 sec |
AF drive noise: | 40 dB or lower (based on Canon’s measuring standards) |
Focusing system: | Rear focusing system, with focusing cam |
Manual focus: | Enabled with focus mode switch and focusing ring |
Minimum focus: | 0.25 m (0.82 ft) |
Field of view: | 139 x 208mm |
Maximum magnification: | 0.17x |
Diaphragm |
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Aperture range: | f/1.4 to f/22 (for 1/3 stop increments also) |
Number of diaphragm blades: | 8 (circular aperture) |
Aperture control: | Pulse control with EMD (enabled simultaneously during autofocus) |
Accessories |
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Filter size: | 77mm |
Lens hood: | |
Lens case: | LP1319, accommodates the lens, lens cap, and dust cap |
Dust cap: | Lens dust cap E |
Extension tube: | EF12 II |
Dimensions and Weight |
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Length/width: | 83.5 x 86.9mm (3.3 x 3.4in) |
Weight: | 650g (1.4 lbs.) |
