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Archive 2010 · ROKKOR Image & Discussion Thread

  
 
cogitech
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p.22 #1 · ROKKOR Image & Discussion Thread


OK. Here's the first of a few different tests I did. I went without the tripod because the wife is still out, but you'll get the drift:

http://www.cogitech.ca/photos/50_bokeh_test_1.jpg

I even gave the 3 50s the benefit of moving in closer (closer focusing results in smoother bokeh). Still the 58 clobbers them (IMO).



Nov 13, 2010 at 04:18 PM
cogitech
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p.22 #2 · ROKKOR Image & Discussion Thread


Another:

http://www.cogitech.ca/photos/50_bokeh_test_2.jpg



Nov 13, 2010 at 04:50 PM
Bifurcator
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p.22 #3 · ROKKOR Image & Discussion Thread


cogitech wrote:
OK. Here's the first of a few different tests I did. I went without the tripod because the wife is still out, but you'll get the drift:

http://www.cogitech.ca/photos/50_bokeh_test_1.jpg

I even gave the 3 50s the benefit of moving in closer (closer focusing results in smoother bokeh). Still the 58 clobbers them (IMO).

http://www.cogitech.ca/photos/50_bokeh_test_2.jpg





Well that's pretty edifying! That 50/1.7 is the harshest of the 4 in both samples.




Nov 13, 2010 at 04:57 PM
denoir
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p.22 #4 · ROKKOR Image & Discussion Thread


Very interesting samples Paul! The 58/1.2 really stands out.


Nov 13, 2010 at 05:00 PM
cogitech
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p.22 #5 · ROKKOR Image & Discussion Thread


I think the Rokkor 58/1.2 has suffered from so much hype that people often tend to assume that it is only just hype. I am to blame as much as anyone else for this hype (much more so, indeed).

So, there has been a bit of a backlash of sorts. People who simply refuse to believe for one reason or the other that there is something very special about this lens.

I am happy to let the samples above speak for themselves. The only lenses I have seen in direct comparison that come close to the Rokkor 58/1.2 are the Hexanon 57/1.2 and the Noct-Nikkor 58/1.2.

So, while most Rokkors are very nice lenses and generally have nice bokeh, I think it has been shown that the 58/1.2 is in a class of its own, regardless of hype.



Nov 13, 2010 at 05:12 PM
denoir
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p.22 #6 · ROKKOR Image & Discussion Thread


It's interesting though how well behaved it looks in those shots. My impression of the Rokkor is that it's really wild when it comes to bokeh. Not harsh but very lively.

These were not intended as comparison shots but of the same general subject..

http://peltarion.eu/img/rokkor/rokkor-37.jpg

http://peltarion.eu/img/zeiss/rz35-176.jpg



Nov 13, 2010 at 05:31 PM
Bifurcator
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p.22 #7 · ROKKOR Image & Discussion Thread


That's more along the lines of what I was remembering. And yeah, "lively", "painterly", what's in an adjective...






Nov 13, 2010 at 05:35 PM
cogitech
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p.22 #8 · ROKKOR Image & Discussion Thread


Denoir,

Your sample is wide open, which is exactly in line with what I have been saying. The Rokkor 58/1.2 is versatile precisely because it can be funky, lively, or various other adjectives when wide open, but stop it down to even just f1.7 and it becomes a cream machine (as seen in my samples).



Nov 13, 2010 at 05:45 PM
Bifurcator
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p.22 #9 · ROKKOR Image & Discussion Thread


Oh, hmmm, did you stop down the others in your samples to see if the same were true of them? Wonders....




Nov 13, 2010 at 05:47 PM
cogitech
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p.22 #10 · ROKKOR Image & Discussion Thread


Bifurcator wrote:
Oh, hmmm, did you stop down the others in your samples to see if the same were true of them? Wonders....



The FD 50/1.4 was stopped down in the samples, because I wanted all the samples to be shot at f1.7-1.8, to keep the playing field even.

I suppose I could do some more testing tomorrow at f2 so that all the lenses are stopped down to a certain extent...



Nov 13, 2010 at 05:53 PM
denoir
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p.22 #11 · ROKKOR Image & Discussion Thread


cogitech wrote:
Denoir,

Your sample is wide open, which is exactly in line with what I have been saying. The Rokkor 58/1.2 is versatile precisely because it can be funky, lively, or various other adjectives when wide open, but stop it down to even just f1.7 and it becomes a cream machine (as seen in my samples).


Interesting observation - I have almost always used it wide open. I'll have to experiment some more with it.



Nov 13, 2010 at 05:58 PM
cogitech
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p.22 #12 · ROKKOR Image & Discussion Thread


denoir wrote:
Interesting observation - I have almost always used it wide open. I'll have to experiment some more with it.


I've had thoughts if using the HD video feature of my T1i to illustrate my point better. Maybe it is time try it.



Nov 13, 2010 at 06:10 PM
Bifurcator
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p.22 #13 · ROKKOR Image & Discussion Thread


cogitech wrote:
The FD 50/1.4 was stopped down in the samples, because I wanted all the samples to be shot at f1.7-1.8, to keep the playing field even.

I suppose I could do some more testing tomorrow at f2 so that all the lenses are stopped down to a certain extent...



Cool! And thanks for the ones you already did! It's nagging me to do the same with the 50's I have.



Nov 13, 2010 at 06:31 PM
michael49
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p.22 #14 · ROKKOR Image & Discussion Thread


I really appreciate all of the input and those comparisons are very nice Paul - those should be in a sticky thread here!!


Bifurcator wrote:
That's more along the lines of what I was remembering. And yeah, "lively", "painterly", what's in an adjective...


Agreed, which is what I like about the bokeh in this thread. I've got a Sigma 50 1.4 which does creamy more than any 50 I've ever used but I'm looking for a 50 that is "painterly", as you say, like this image (this bokeh is incredibly lively and really makes the image come alive)...

http://farm3.static.flickr.com/2702/4036607321_08b4b61abc_b.jpg




Nov 13, 2010 at 08:12 PM
cogitech
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p.22 #15 · ROKKOR Image & Discussion Thread


Indeed. That image is very solid, and the bokeh is a very important factor. The 58/1.2 can do this, but not so readily as the 50/1.2. If that's what you are after, the 50/1.2 is the lens to get.


Nov 13, 2010 at 08:28 PM
cavewalker
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p.22 #16 · ROKKOR Image & Discussion Thread


The 1.2/58 doing very good on the Sony NEX

http://farm5.static.flickr.com/4152/5175252085_af47844a5d_b.jpg

http://farm5.static.flickr.com/4144/5175262087_84e317af1e_b.jpg

http://farm5.static.flickr.com/4083/5175881154_855eab72ef_b.jpg



Nov 14, 2010 at 02:08 PM
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p.22 #17 · ROKKOR Image & Discussion Thread


Nice! What aperture are those at?




Nov 15, 2010 at 07:11 PM
cogitech
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p.22 #18 · ROKKOR Image & Discussion Thread


Bif, just an update; it rained yesterday and I was busy with the wife and kids. No time/opportunity to bugger around with lenses...


Nov 15, 2010 at 08:05 PM
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p.22 #19 · ROKKOR Image & Discussion Thread


Ah, don't worry about it man. Whenever, whatever, it's all good!





Nov 15, 2010 at 08:34 PM
sebboh
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p.22 #20 · ROKKOR Image & Discussion Thread


michael49 wrote:
Agreed, which is what I like about the bokeh in this thread. I've got a Sigma 50 1.4 which does creamy more than any 50 I've ever used but I'm looking for a 50 that is "painterly", as you say, like this image (this bokeh is incredibly lively and really makes the image come alive)...


if you'd like a cheap lens that has very similar bokeh to the MD 50mm f/1.2, i would recommend the MD 50mm f/1.7. i find them to be more similar than any of the other rokkors i have looked at. the only problem is of course that it is a stop lower so it produces less blur. it should balance better on a mirrorless camera than f/1.2 though and it has considerably less loCA wide open.

here's a couple samples i had posted earlier in the thread:
http://farm5.static.flickr.com/4083/4954357170_9de844b02f_b.jpg
http://farm5.static.flickr.com/4085/5014095426_1b2c5e312a_b.jpg

and a few new ones i hadn't posted since i thought they might be a little to funky:
http://farm2.static.flickr.com/1024/5181540036_26485ab234_o.jpg
http://farm2.static.flickr.com/1001/5181540384_0e967511e7_o.jpg
i'm really sorry that i missed focus on this because i really like it otherwise:
http://farm2.static.flickr.com/1033/5180941347_ee0e099560_o.jpg

paul - thanks for that comparison, it's quite illuminating. the 58/1.2 seems to blur everything much more than any of the other lenses like it has a much narrower dof than the other lenses, despite the in focus area looking to be the same size.

to continue my budget recommendations i'll say that the MC 50mm f/1.4 has the smoothest bokeh of the rokkors i've owned and seems to me to draw more similarly to the 58/1.2 than to the 50/1.2. according to the rokkor files it is the same optical design as the 58/1.2, but given the difference in focal length i wouldn't read too much into that.

Edited on Nov 23, 2010 at 06:43 PM · View previous versions



Nov 16, 2010 at 06:00 AM
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