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Home Lenses Canon Canon EF 50mm f1.2L USM review
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Canon EF 50mm f1.2L USM review Hot

 
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Editor rating
 
1.0 User rating
 
4.5 (78)

Overview

The EF 50mm f/1.2L USM is a peerless new standard lens featuring an ultra-large aperture for a narrow depth of field and soft background blur so loved by photographers everywhere. The EF 50mm f/1.2L USM is suitable for any shooting situation; its lens coating and construction are optimized to minimize the ghosting and flare that frequently occurs when lenses are used with digital cameras. This high-performance, weather-resistant lens delivers all the superb image resolution and contrast you expect in a Canon L Series Lens.

EF50mm F1.2L USM is an ultra-large aperture standard lens ideally suited for portrait photography. In addition to offering a shallow depth of field with a maximum aperture of F1.2, the lens enables the use of fast shutter speeds to reduce motion blur and support shooting in low light. Employing a large, high-precision aspherical lens element made of highly refractive glass to minimize aberrations during focusing, the EF50mm F1.2L USM lens maintains the superior image quality throughout the shooting range for which Canon’s L-series lenses are renowned. Additionally, the lens’s ring-type USM (Ultrasonic Motor), high-speed CPU, and optimized AF (AutoFocus) algorithm enable silent and extremely accurate autofocus operation. Designed to meet the diverse needs of professional and advanced amateur photographers, the bright lens features full-time manual focusing, which enables users to focus by hand in the AF mode, and a dust- and moisture-proof construction, ensuring unfailing performance even under harsh conditions. Ideal for photographers who shoot portraits and weddings, Canon’s EF50mm F1.2L USM lens features a round aperture that achieves excellent background blur.

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EF50mm f/1.2L USM
This month's Technical Report introduces two L-series lenses, the EF50mm f/1.2L USM and EF70-200mm f/4L IS USM lenses, released together with the EOS Kiss Digital X.

canon50mm121.jpg
Photo 1 : EF50mm f/1.2L USM

Concept of development
With the increasing popularity of digital SLR cameras, calls for large aperture single-focal length lenses with excellent image quality and pleasing bokeh (blur effects) for portraits have increased. To meet this demand, the EF85mm f/1.2L II USM was released in March 2006, and now the EF50mm f/1.2L USM (Photo 1), developed to further improve the L-series lineup of ultralarge aperture single-focal length lenses, is available.
The key development concepts are as follows:

Ultralarge maximum aperture of f/1.2

Superb image quality over the entire shooting area

Dust - and moisture - resistant construction

Digital camera compatibility


Feature 1: Ultralarge f/1.2 maximum aperture
The optical system of the EF50mm f/1.2L USM is completely new. It uses a Gauss type optical system with 8 elements in 6 groups and unit focusing (Fig. 1).
The ultralarge aperture of f/1.2 and high definition throughout the entire shooting area befitting an L-series lens.
canon50mm122.jpg
Fig. 1 : EF50mm f/1.2L USM Optical System


Feature 2: Superb image quality over the entire shooting area
The 8th element is a large aperture precision aspherical lens, which helps minimize aberrations that occur during focusing giving a large f/1.2 maximum aperture with high definition befitting of an L-series lens throughout the entire shooting area (Fig. 2).

canon50mm123.jpg

Thick lines: 10 lines/mm; thin lines: 30 lines/mm. The darker black lines represent the MTF characteristics at maximum aperture; the blue lines at f/8. The solid lines trace the radical S (sagittal) curve, while the broken lines trace the tangential M (meridional) curve.

Fig. 2 : MTF Characteristic Chart of EF50mm f/1.2L USM


Feature 3: Excellent dust- and moisture-resistant construction
By utilizing dust- and moisture-resistant construction (Fig. 3) in the lens mount, switch panel and focusing ring to prevent dust and water from reaching the interior, the lens can be used in harsh environments.
*This applies when the lens is used with a dust- and moisture-resistant EOS body and a filter is attached to the front of the lens.
canon50mm124.jpg
Fig. 3 : The Dust- and Moisture-resistant construction of the EF50mm f/1.2L USM


Feature 4: Lens coating optimized for use with digital SLR cameras
The EF50mm f/1.2L USM has element curvature and coating optimized for use with digital SLR cameras. It successfully realizes both good color balance and minimization of ghost and flare attributable to surface reflections from the digital imaging element.


Feature 5: Superb operability
Circular aperture for attractive bokeh effects
Thanks to the electromagnetic diaphragm's (EMD) circular aperture, the lens provides attractive bokeh (blur effects).

Silent , High-speed AF
The ring-type ultrasonic motor (USM), high-speed CPU and optimized AF algorithm contribute to silent, speedy autofocus.

Manual focusing - even in AF mode
The EF50mm f/1.2L USM has full-time mechanical manual focusing that allows manual focus after one-shot AF operation without leaving AF mode.

Switch design that prevents unintended switching
The focus mode switch is designed to prevent unintended switching during shooting or while being carried.

Non-rotating filter ring
Since the EF50mm f/1.2L USM does not change in length and the filter does not rotate or move while focusing, it allows smooth operation of accessories including circular polarizing (PL) filters.

Dedicated large cylindrical hood with superb light blocking
The ES-78, a large cylindrical hood dedicated to the EF50mm f/1.2L USM, has superior antireflection flocking on the inner surface. It is very effective in keeping unwanted light out of the lens (Photo 2).
canon50mm125.jpg
Photo 2 : ES-78 dedicated hood for EF50mm f/1.2L USM

Distance information for improving flash exposure precision
Distance information is sent to the camera during AF, making the EF50mm f/1.2L USM compatible with the E-TTL II autoflash system for optimal flash exposure.


Feature 6: Environmentally friendly design
The optical system contains only environmentally friendly lead-free glasses. Furthermore, EU (European Union) restricts the use of certain hazardous substances in the electrical and electronic equipment according to the ''EU's Restrictions on Hazardous Substances (RoHS) Directive''. The EF50mm f/1.2L USM meets Canon's own standard to comply with the RoHS Directive.
*The 6 substances: lead, mercury, cadmium, hexavalent chromium, bromine flame retardant PBB (polybrominated biphenyl) and PBDE (polybrominated diphenyl ether).

Lens Specifications

Generic Lens Specifications

Lens Type Prime
IS / VR / OS None
Canon L Class Yes
Min Focal Length (mm) 50
Max Focal Length (mm) 50
Number of Elements 8
Element Groups 6
Max Aperture 1.2
Minimum Aperture 16
Diaphragm Blades 8
Closest Focus Distance (m) 0.45
Filter Type Screw In
Filter Diameter (mm) 72
Diameter at widest (mm) 85
Lens Length (mm) 65
Weight (g) 545
Release Date September 2006

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Editor review

Canon EF 50mm f1.2L USM

Overall rating: 
 
1.0
Sharpness:
 
1.0
Build Quality:
 
1.0
AF Speed:
 
1.0
Value for Money:
 
1.0
Reviewed by lee
December 19, 2007
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Editor lens review will be updated shortly.

Conclusions at a glance

Would you recommend this Item Undecided
 
 


User reviews

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Average user rating from: 78 user(s)

Overall rating: 
 
4.5
Sharpness:
 
4.5   (78)
Build Quality:
 
4.5   (78)
AF Speed:
 
4.4   (78)
Value for Money:
 
4.5   (78)
 
Ratings (the higher the better)
  Sharpness*
  Build Quality*
  AF Speed*
  Value for Money*
Conclusions at a glance
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Great Lens! Beautiful Photos!

Overall rating: 
 
4.8
Sharpness:
 
4.0
Build Quality:
 
5.0
AF Speed:
 
5.0
Value for Money:
 
5.0
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Reviewed on: April 01, 2012
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0 of 0 people found the following review helpful

I have had my 50MM 1.2L for a few days now. At first I thought there was something wrong with the auto focus mechanism but then I realized I needed to change my settings on my camera and change the way I'm focusing. The very shallow DOF makes this lens very difficult to focus if you're using focus-recompose method with the shutter pressed halfway. I changed my camera settings on my Canon 5D Mk II from One Shot to AI Servo. After some research online, I also realized I had to use the Back Button Focus (BBF) and Focus Lock to lock focus on my subject and then recompose and press the shutter. Removing the shutter from the auto focus and using BBF allows me to get the most accurate focusing on this lens at ANY aperture ... even wide open! I've read some reviews saying this had problems with back focusing but I haven't noticed that. It's a very fast lens and it can see in the dark!!! I also read reviews saying this was too heavy but I think it balances the weight on my 5D Mk ii perfectly. This is an excellent lens and I'm excited about all the photos I'll get out of this! I haven't compared with the 50mm 1.4 so I can't speak to that... just thought I would make the leap and get the L series. It's worth it!

 

Excellent Lens

Overall rating: 
 
4.8
Sharpness:
 
5.0
Build Quality:
 
5.0
AF Speed:
 
4.0
Value for Money:
 
5.0
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Reviewed on: March 27, 2012
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0 of 0 people found the following review helpful

If you're a pro portrait photographer, this is a must have. Or anything with people for that matter, fashion, editorial, ect. Probably my favorite lens ever. Downside is obviously price but I don't anticipate that coming down any time soon. Crisp clean shots with beautiful bokeh. If you have okay eyesight you may have a little trouble focusing on such a shallow DOF like 1.2 but how could you not open all the way up after dropping 1500

 

incredible must have glass

Overall rating: 
 
4.5
Sharpness:
 
5.0
Build Quality:
 
5.0
AF Speed:
 
4.0
Value for Money:
 
4.0
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Reviewed on: March 11, 2012
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0 of 0 people found the following review helpful

This lens is magical. I own "the big three" canon zooms and this is still my favorite lens. It IS finnicky, it IS hard to focus, and lots of the time you were focused in the wrong plane on an image, but when you hit an image you really hit! The bokeh is beautiful. Nikon does not offer an equivalent of this lens which makes it all that much more appealing. I may have to buy the 85 1.2 some day just because I love this lens so much. It has made me prefer prime lenses over zooms. Can't say enough good about it.

 

Awesome

Overall rating: 
 
4.5
Sharpness:
 
4.0
Build Quality:
 
5.0
AF Speed:
 
4.0
Value for Money:
 
5.0
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Reviewed on: February 21, 2012
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0 of 0 people found the following review helpful

You are probably reading these reviews to decide if you will pay $1,500+ to buy this lens or to get its sibling the 50 f/1.4. I owned the 50 f/1.4 for a year, and currently own the 50L 1.2. Ignore the reviews by those who have never even owned 50L 1.2 (or maybe rented it for a weekend) yet feel they can give you a solid opinion about it. I will give you a run-down of my experience with the 50L 1.2 as a portrait photographer: ********************************* *** Crop vs Full-frame Camera *** ********************************* This lens is all about narrow DoF. I will talk about the characteristics relating to DoF further in my review. To get the most out of this lens it is recommended that you use a FF camera to give you the most control over DOF. A full-frame camera will give you approx 1.6 times more blur than on an APS-C camera (such as the 7D). 50mm is very versatile on a FF camera, allowing small group photos, individual photos of bust-up / full length / three quarters. But not so much on the 7D, when you will have an equivalent field of vision of 80mm. 80mm is quite tight, and more suited for headshots and bust-up. ** ************** *** Bokeh *** ************* With narrow DoF comes great bokeh. The bokeh produced by the 8-bladed aperture is round and beautiful, currently matched only by the 85L 1.2. The 50 f/1.4 also has an 8-bladed aperture but the bokeh it produces pales in comparison and is often nervous and distracting. With the 50L 1.2, the bokeh has a soft and beautiful rendition - the subject is well isolated and everything out of focus becomes a wash of creaminess. ** ****************** *** Sharpness *** ***************** This is one of the areas where I feel the 50L 1.2 is most misunderstood. I will open my review of sharpness with this: between the apertures of f/1.2 to f/2.0, this lens is the sharpest of the Canon 50mm family. Period. If you don't like taking my word for it, then you can poke around in MTF charts. You must be skilled (yes, skill is needed, this is not a point and shoot lens) at using single focus points, have a steady camera technique, knowing where the blade of DoF falls, and knowing when to not focus and recompose. The 50 f/1.4 then takes over in sharpness at around f/2.2 to f/2.8. The 50L 1.2 will never be as sharp as my 85L 1.2 II. But for me as a portrait photographer, sharpness is relative. If the background is pure cream, then the lovely lady I am photographing will look sharp. Also, I don't mind not having the lens a little soft so the photograph does not capture every pore and imperfection on my subject's face. It actually saves me time when retouching later! As a further note, I found that shooting wide open with the 50 f/1.4 gave results that lacked so much sharpness so as to be unusable. ** ************************* *** Color & Contrast *** ************************ The color rendition and contrast from the 50L 1.2 is beautiful, and what you would expect from an L lens. The optics and lens coatings are far superior to the 50 1.4 when it comes to color and contrast between f/1.2 and f/2.0. When shooting wide open with the 50 1.4, I found out of focus areas with sunlight would exhibit color shifts to red and green. The contrast would also be very low - and at times so faded that the photograph could not be fixed (to my satisfaction) in post. With the 50 1.4 closed up to f/2.8, the color shifting was much more controlled and the contrast at an acceptable level. ** ************************** *** 50L 1.2 vs 50 1.4 *** ************************* The $1,500 grapefruit or the $355 non-L? I would sum it up this way: 1. The non-L is advertised as an f/1.4 lens. BUT, there will be many lighting conditions in which shooting between f/1.4 to f/2.0 will give you less than perfect results (eg. distracting bokeh, terrible color, washed out photos, or complete lack of sharpness). For a professional, it would be a challenge to practically use the non-L at f/1.4-f/2.0 in less than perfect situations. Shooting at f/2.8 and narrower, the non-L is as good as any Canon lens. 2. The grapefruit is advertised as an f/1.2 lens. AND, it is the wonder lens between f/1.2 and f/2.0 for the reasons given above. The color and contrast is L glass quality at all apertures. However, the sharpness is not as good as other Canon lenses from the more standard apertures of f/2.8 and narrower. The sharpness is also affected by the focus shift that occurs because the 50L 1.2 focuses wide open and the aperture is stopped down an instant before the sensor is exposed to take the photograph. So where does this leave us? Because what I am going to say might insult some people, I am going to caveat that all of this is my own personal opinion - which is totally worthless anyway. Why have you read all the way down to here, hey? Here we go with a deep breath: 3. The $1,500 grapefruit is the lens for you if you love shooting between f/1.2 and f/2.0 for that bokehlicious cream and narrow DoF. It is a perfect versatile complement to the 85L 1.2, 135L 2.0, and the legendary 200L 2.0. I also consider the 35L 1.4 a fantastic prime, but not for portraiture as it has even less lens compression than a 50mm lens. 4. The non-L is advertised as an f/1.4 lens. HOWEVER, in practice, in most conditions it will only give best results when used as an f/2.8 lens. With this limited 'usable aperture', this leads me to question what is the place of the non-L in my lens bag when there is the 24-70L 2.8. The L zoom is as sharp as most primes, and with the high resolution 24-70L 2.8 Mk II just around the corner, the Mk II will blast the 50 1.4 away in sharpness, color, contrast and versatility. For apertures wider than f/2.8, the grapefruit is firmly rooted in its position. Unless you cannot afford L glass (which you obviously can, otherwise you would not be reading this review), then you are sacrificing image quality for something else by putting the 50 1.4 in your lens bag. ** *

 

50mm f/1.2 on 5D Mark II

Overall rating: 
 
4.5
Sharpness:
 
4.0
Build Quality:
 
5.0
AF Speed:
 
4.0
Value for Money:
 
5.0
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Reviewed on: February 03, 2012
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0 of 0 people found the following review helpful

I bought this lens for my 7D. It is truly the masterpiece others have described and I'm no pro by any stretch. I'm a decent amateur with only 3 years or so experience with an SLR. My approach to the focus debate was to change the autofocus to use one AF point dead center of viewfinder. If you focus with that on the eye and then recompose your shot you will get super sharp images perfectly focused. I still use the green square plenty as I'm not fast enough with changing parameters on the fly and end up missing shots but I'm taking amazing shots with this lens set to Apeture priority as well. If you are going to go down to F1.2 you have to use single point focus or the autofocus system will pick a cheek or an ear and at that apeture the focal point may shift enough to notice under magnification. It is true what others write about the razor thin DOF. But honestly, even the shots I make which aren't perfectly focus are still light years ahead of my other lenses - which aren't L glass to be fair. I will offer one other feedback I didn't see others discuss which I was concered about before buying. The 7D is not full frame so I was worried about 50mm being a bit to long for indoor (1.6 X 50 makes this an 80mm equivalent). I was really torn between getting the 35mm instead. Plus I had my much better photographer friends telling me to go with a nice L zoom lens for the flexibile range. But in the end I read enough glowing feedback on this lens I decided to go with it. In truth, there are times I have to step back farther than I would like for a shot. Getting a shot of say the entire family at the dinner table (six or eight seating) is pretty difficult. But I have zero regrets. The shots I am doing, especially portiats, are incredible. At L prices it will take me years to get the coverage I need but having this 50mm in your bag is highly recommended by this amateur. Oh, and the night shots are truly amazing. This thing almost doesn't need any light. I'm still working on getting these shots right though. Without a tripod it is quite tricky. But it is my issue as this lens capability exceeds my skills. If you have light of a camp fire or street light, no issues whatsoever. Stop it down to 1.2, and snap away. Simply amazing.

 
 
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