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FORUMS Sample Photo Archives Lens Sample Photo Archive 
Thread started 19 Apr 2007 (Thursday) 21:47
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Canon EF 50mm f/1.2L USM

 
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fi20100
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Apr 24, 2007 03:53 |  #61

From all the shots I've seen from this lens, my conclusion follows: it's a ****ty lens to shoot rulers and boxes, and a super lens for people and low light :)


Stefan
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Psychic1
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Apr 24, 2007 06:38 |  #62

Manual Focus on the 50L-1.2 has always been fine, and if you shoot rulers and boxes or have time to have your subject say "cheese" it's the lens for you, BUT, IF you want to shoot lowlight candids at a party with AF assist the 35L and 85L are the ones you should own.

Funny, the DOF on my 35L-1.4 and 50-1.4 is shallower that the sharp shots that were posted here recently.

Maybe I should change my name to *Lucky*


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Lord_Malone
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Apr 26, 2007 23:45 |  #63

fi20100 wrote in post #3094588 (external link)
From all the shots I've seen from this lens, my conclusion follows: it's a ****ty lens to shoot rulers and boxes, and a super lens for people and low light :)

Absolutely. ;)

I'll dig up some more and post them up for the archives.


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Lord_Malone
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Apr 27, 2007 12:49 |  #64

Nice examples of the 50L on the pixel peepers web site.

http://www.pixel-peeper.com/lenses/?len​s=729 (external link)


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tmr
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Apr 29, 2007 21:52 |  #65

For the record, here is a test shot complilation of the problem folks have been talking about.

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif'


Here is a link to three composit shots at 2, 4 and 6 feet.

http://www.pbase.com/t​mr4/distance_test (external link)

These show that the backfocus shift is worse close in and at around f/2 to f/2.8. At 2 feet the backfocus shift begins to be compensated for the increasing DOF by f/4 but probably still needs at least f/5.6 to have much DOF in front of the focal plane. Not shown at te link is my test at around 3 feet where the problem is the worse. The backfocus shift is still present at 4 feet though not as evident as closer in. By six feet the backfocus shift has been largely offset by the larger DOF.

As others have said, I think the problem is most noticable in controlled testing, but I have encountered it in real-life enough that I avoid f/2 -2.8 when shooting close in. Luckily I bought the lens to shoot wide open in lower light and I've been happy with it there. Here are a couple of shots in the woods that f/1.2 helped get though this particular spot was a bit on the brighter side (these are at @ ISO 100 and I could have bumped up the ISO for this particular series but for some reason didn't).

@ 1/320
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif'


@ 1/500
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif'


All in all this lens is a keeper, but it is a bit frustrating to have even a small issue with such an expensive lens.



  
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JaGWiRE
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Apr 30, 2007 00:40 as a reply to  @ tmr's post |  #66

You didn't bump up the ISO, because in most daylight, shooting @ f1.2 means 1/8000.


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tmr
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Apr 30, 2007 21:18 |  #67

JaGWiRE wrote in post #3126674 (external link)
You didn't bump up the ISO, because in most daylight, shooting @ f1.2 means 1/8000.

That's right. I now remember starting out the hike in the sun and wishing I could go to a lower ISO.




  
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Lord_Malone
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May 06, 2007 22:04 as a reply to  @ tmr's post |  #68

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/png'

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angryhampster
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May 06, 2007 22:09 |  #69

Nice catch on the composition..I like the bench leading up to your son :)


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Lord_Malone
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May 06, 2007 23:17 as a reply to  @ angryhampster's post |  #70

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Lord_Malone
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May 06, 2007 23:46 as a reply to  @ Lord_Malone's post |  #71

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Lord_Malone
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May 07, 2007 08:13 |  #72

^ Wow. My shots look really oversaturated on my non-calibrated office monitor. :(


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jdos2
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May 07, 2007 08:44 |  #73

I got the lens that I could do my favorite photography- a la Noctilux, night shots in restaurants of friends, family, &c.

My lens has the far focusing problem, or at least it had it- where I'd focus quickly on the corner of someone's glasses to get the eye behind in focus. It was fairly reliable.

I retested last night, though, because more of my shots are out of focus, and now the lens doesn't seem to be misbehaving.

The only trouble I've had with it is that the focus can be best described as "inconsistent." It's a good lens otherwise.




  
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Lord_Malone
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May 07, 2007 11:42 |  #74

jdos2 wrote in post #3164957 (external link)
I got the lens that I could do my favorite photography- a la Noctilux, night shots in restaurants of friends, family, &c.

My lens has the far focusing problem, or at least it had it- where I'd focus quickly on the corner of someone's glasses to get the eye behind in focus. It was fairly reliable.

I retested last night, though, because more of my shots are out of focus, and now the lens doesn't seem to be misbehaving.

The only trouble I've had with it is that the focus can be best described as "inconsistent." It's a good lens otherwise.

Agreed. "Inconsistent" focusing is how I'd best describe it as well. Had some issues with it this weekend. It missed focus on a couple of shots of my son, while shooting outdoors. My keeper rate is still pretty good though. I'll continue to stand by this lens since it is optically equal to those in the trinity IMO. I just hope Canon comes out with a firmware fix soon, which seems to be the case since it's more apparent when using bodies like the 5D.


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yonni
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May 07, 2007 15:04 as a reply to  @ Lord_Malone's post |  #75

Thanks Lord for the fine examples of what the 1.2 can do. Your talent shines.

Imageshack is very slow at downloading your pics though. My 1.5 dsl feels like dial up when grabbing your shots. Maybe their server is having a tough time today.


John
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Canon EF 50mm f/1.2L USM
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