Canon EF 20mm F2.8 USM
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Canon EF 20mm F2.8 USM
The Canon EF 20mm f/2.8 USM is an ultra wide-angle lens for serious applications. Plus it’s easy to hold and carry at 405g. A floating rear focusing system gives sharp images at all subject distances and an ultrasonic motor (USM) enables fast, smooth and quiet autofocus. Full-time manual focus override allows for precise manual focus even when in AF mode. A ring-type ultrasonic motor drives autofocus extremely quickly, and in near silence. Excellent holding torque ensures the point of focus is reached accurately, without overshooting. For optimum visual performance, the lens incorporates aspherical elements, to correct spherical aberrations, and Super UD (ultra-low dispersion) elements to eliminate chromatic aberrations. The result is crisp, high-contrast undistorted image quality all the way across the frame.
Specifications:
Focus drive:USM
Angle of View (Diagonal):
94°
Number of lenses/groups:
11/9
Maximum aperture:
22
Number of blades:
5
Closest focusing distance?:
0.25m
Length:
71mm
Filter diameter:
72mm
Weight:
405g
Compatible Hood:
EW-75II
Specifications
Bayonet
Features
Functions
Dimensions
Weight
| Code: | OC203 |
| Links: | Producer's Website: |
| Manufacturer information |
Canon was founded in 1933. Its original title translated to "portable laboratory optics". The Japanese company has been headquartered in Tokyo since its inception. Canon is particularly associated with the production of digital cameras and accessories, where they remain the leading innovator and producer of imaging solutions. Aside from digital cameras, the company also operates in the production of office equipment, particularly copiers or printers. 
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