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What is an Aspherical Element?
An aspherical element is a free-curved internal component within your lens that corrects the distortion caused by the curvature of the spherical lens elements.
These components are only found in professional quality lenses.
Aspherical aberration produced with a standard lens can be avoided by using a higher quality lens with additional aspherical elements.
The EF 24-70 f/2.8L II USM has three aspherical elements to separately counteract each of the individual internal aberrations, so your images are exceptionally sharp.
Angle of view (horzntl, vertl, diagnl)
74° - 29°. 53° - 19°30', 84° - 34°
Lens construction (elements/groups)
No. of diaphragm blades
Closest focussing distance (m)
Maximum magnification (x)
Filter diameter (mm)
Max. diameter x length (mm)
88.5 x 113
E-82U / E-82II
Magnification Extension Tube EF12 II
Magnification Extension Tube EF25 II
AF actuator - ¹ Full time Manual focus
Dust/moisture resistance - ¹ Lenses with
dust/moisture resistance are fitted with a rubber ring on the lens mount which
may cause sligth abrasion of the camera mount. This in no way effects either
the lens or camera performance.
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