|EF||Autofocus lens designed both for Canon full frame and APS-C SLR cameras.|
|STM||The lens is equipped with stepping motor to provide smooth, fast and virtually silent autofocus. Learn more|
|Position in the lineup|
|Canon EF 50mm F/1.8 STM||May 2015||⊗|
|Canon EF 50mm F/1.8 II||Dec 1990||⊗|
|Canon EF 50mm F/1.8||Mar 1987||⊗|
|Canon FDn 50mm F/1.8||Jun 1979||⊗|
|Canon FD 50mm F/1.8 S.C. (II)||Mar 1976||⊗|
|Canon FD 50mm F/1.8 S.C. (I)||Mar 1973||⊗|
|Canon FD 50mm F/1.8||Mar 1971||⊗|
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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:||6 elements in 5 groups|
|Closest focusing distance:||35 cm|
|Number of diaphragm blades:||7|
|Type of autofocus motor:||Stepping (Canon EF)
|Full-Time Manual Focus:||Yes|
|Maximum diameter x Length:||Ø69.2 x 39.3 mm|
|Materials:||High-quality plastic barrel, metallic mount|
|Filter size:||49 mm|
Design and Features
The updated version of incredibly popular Canon EF 50 mm F/1.8 II (1990). The optical formula, however, remains the same. Compared to the previous version, the lens has the following advantages:
- better overall build quality (metal mount, convenient focusing ring),
- smaller closest focusing distance (0.35m compared to 0.45m),
- the number of aperture blades was increased from 5 to 7,
- more efficient and reliable STM with FTM (older version has MM without FTM).
The lens barrel is compact, of moderate weight, made of high-quality plastic. The lens mount is metallic. The distance and depth of field scales are still missing compared to the previous version.
The focusing ring is not physically coupled with the focusing mechanism and works electronically (focus-by-wire) - turning of the ring actuates an electric motor that moves the focusing group of the lens to the proper position to achieve sharp focus.
The lens features AF/MF focus mode switch.
|AF||Autofocus mode with Full-Time Manual Focus.|
|MF||Manual focus mode.|
Full-Time Manual Focus with lenses equipped with stepping or linear motor is performed in the following way - half-press the shutter button, wait until the camera has finished the autofocusing and then focus manually without releasing the shutter button using the manual focusing ring.
The lens uses front filters with standard size of 49 mm which are easy to find. They are also inexpensive.
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 gear type stepping motor, the autofocus is quiet, smooth and fast, which is especially important during video recording. For more information on Canon’s stepping motor, refer to the article dedicated to Canon EF 40mm F/2.8 STM (2012).
The quality of the background blur of the lens is essentially the same due to the unaltered optical formula. With closing of the aperture out-of-focus highlights are now circular due to the lens diaphragm construction (seven curved blades).
|Camera||Canon EOS 5D mark II||Canon EOS 5D mark III|
|Sensor size||36×24 mm||36×24 mm|
|Distortion||-0.77 %||-1.31 %|
|Vignetting at F/1.8||-2.56 EV||-2.75 EV|
|User Manual. English, Adobe PDF, 289 KB|
|Prime lenses for Canon EOS DSLR cameras|
Alternatives (AF, 44..56 mm)
|Canon EF 50mm F/1.2L USM||2007||⊗|
|Canon EF 50mm F/1.4 USM||1993||⊗|
|Canon EF 50mm F/1.8||1987||⊗|
|Canon EF 50mm F/1.8 II||1990||⊗|
|Canon EF 50mm F/1L USM||1987||⊗|
|Sigma 50mm F/1.4 DG HSM | A||2014||⊗|
|Sigma 50mm F/1.4 EX DG HSM||2008||⊗|
|Tamron SP AF 45mm F/1.8 Di VC USD F013||2015||⊗|