|EF||Autofocus lens designed both for Canon full frame and APS-C SLR cameras.|
|L||Professional lens with high quality optics and robust build. Meets the highest standards and provides excellent performance and flawless image quality unachievable with traditional optical technologies.|
|USM||The lens is equipped with ultrasonic motor to provide very fast and virtually silent autofocus. Learn more|
|Position in the lineup|
|Canon EF 50mm F/1.2L USM||Jan 2007||⊗|
|Canon FDn 50mm F/1.2L||Oct 1980||⊗|
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|Maximum format:||35mm full frame|
|Diagonal angle of view:||46.8° (35mm full frame)
37.6° (Canon APS-H)
30.4° (Canon APS-C)
|Lens construction:||8 elements in 6 groups, including 1 ASPH|
|Closest focusing distance:||45 cm|
|Number of diaphragm blades:||8|
|Type of autofocus motor:||Ultrasonic (Canon EF)
|Full-Time Manual Focus:||Yes|
|Maximum diameter x Length:||Ø86 x 66 mm|
|Materials:||High-quality plastic barrel, metallic mount|
|Weather sealing:||Dust-proof and water-resistant housing|
|Filter size:||72 mm|
Design and Features
Exceptionally fast standard prime lens and together with Canon EF 85mm F/1.2L II USM (2006) one of the fastest lenses in Canon’s current lineup. The lens was designed for superior bokeh and offers extremely fine control over depth of field. At the present time it is a very popular lens for portrait and event photography in available and low-light conditions.
The lens is a part of Canon’s series of Luxury lenses notable for their excellent build quality and robust design. The lens barrel is of moderate weight, dust-proof and water-resistant, made of high-quality plastic. The lens mount is metallic. The focusing ring is ribbed and rubberized, well damped, moves very smoothly, has reasonable width and angle of rotation of 140 degrees for comfortable focusing.
The lens uses front element linear extension method for focusing however the front element does not extend beyond the lens barrel during focusing.
The lens features AF/MF focus mode switch.
|AF||Autofocus mode with Full-Time Manual Focus.|
|MF||Manual focus mode.|
The lens uses front filters with standard size of 72 mm which are easy to find. However, filters of such size are more expensive and mainly used with professional lenses.
The filter thread does not rotate during focusing which allows convenient use of different types of filters (including but not limited to polarizing and gradient).
The lens is equipped with ultrasonic motor, the autofocus is virtually silent and moderately fast.
The lens is based on almost symmetric variant of double Gauss design which is one of the most developed lens designs in the world frequently used for large aperture standard prime lenses and large aperture moderate wide-angle prime lenses. It provides excellent compensation of aberrations, except for the oblique spherical aberration which lowers peripheral contrast.
Aspherical elements (ASPH, XA) minimize spherical aberration, astigmatism, coma and ensure excellent sharpness and contrast even at maximum aperture.
The sharpness at the center of the frame is good at F/1.2-1.8, very good at F/2.8 and excellent from F/4. The edges are mediocre at F/1.2-2.8 but very good from F/4. The image contrast is high and the background blur is very smooth and pleasant at large apertures. The subjects look almost three dimensional at large apertures due to high micro contrast and smooth transition between in-focus and out-of-focus areas of the image. The lens suffers from focus shift when stopped down though.
|Camera||Canon EOS 5D mark II||Canon EOS 1Ds mark III|
|Sensor size||36×24 mm||36×24 mm|
|Distortion||-1.45 %||-1.81 %|
|Vignetting at F/1.2||-2.74 EV||-3.24 EV|
|User Manual. English, Adobe PDF, 227 KB|
|User Manual. Русский, Adobe PDF, 223 KB|
|Prime lenses for Canon EOS DSLR cameras|
Alternatives (AF, 44..56 mm)
|Canon EF 50mm F/1L USM||1987||⊗|