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Optics
Focal Length:
Optical construction:
Aspherical lens elements:
Ultra-low Dispersion
glass elements:
Multi-coating:
Aperture:
Aperture ratio:
Angle of view at infinity
Diagonal (43.2mm):
Vertical (24mm):
Horizontal (36mm):
Focusing
AF motor:
AF speed:
AF drive noise:
Focusing system:
Manual focus:
Minimum focus:
Field of view:
Maximum magnification:
Diaphragm
Aperture range:
Number of diaphragm blades:
Aperture control:
Accessories
Filter size:
Lens hood:
Lens case:
Dust cap:
Extension tube:
Dimensions and Weight
Length/width:
Weight:
68
VIII. SPECIFICATIONS
24mm
13 elements in 10 groups
2 (2nd and 13th elements)
2 (4th and 9th elements)
Super Spectra coating (special new coating for 1st element)
8 blades with circular shape
1:1.4
84 degrees
53 degrees
74 degrees
Ring USM
0.49 sec
40 dB or lower (based on Canon’s measuring standards)
Rear focusing system, with focusing cam
Enabled with focus mode switch and focusing ring
0.25 m (0.82 ft)
139 x 208mm
0.17x
f/1.4 to f/22 (for 1/3 stop increments also)
8 (circular aperture)
Pulse control with EMD (enabled simultaneously during autofocus)
77mm
EW-83K petal-type, equipped with a two-claw removable dedicated bayonet hood attachable in reverse
LP1319, accommodates the lens, lens cap, and dust cap
Lens dust cap E
EF12 II
83.5 x 86.9mm (3.3 x 3.4in)
650g (1.4 lbs.)
EF 24mm f/1.4L II USM Wide Angle lens