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Konica Hexanon AR vs Mamiya-Sekor CS - 50/1.7 Wide Open
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PostPosted: Wed Jun 06, 2018 3:24 pm    Post subject: Konica Hexanon AR vs Mamiya-Sekor CS - 50/1.7 Wide Open Reply with quote


Camera Canon EOS 450D, wide open comparison:

1 - Hexanon AR 50/1.7


1 - Sekor CS 50/1.7


2 - Hexanon AR 50/1.7


2 - Sekor CS 50/1.7


3 - Hexanon AR 50/1.7


3 - Sekor CS 50/1.7


4 - Hexanon AR 50/1.7


4 - Sekor CS 50/1.7


5 - Hexanon AR 50/1.7


5 - Sekor CS 50/1.7


6 - Hexanon AR 50/1.7


6 - Sekor CS 50/1.7


7 - Hexanon AR 50/1.7


7 - Sekor CS 50/1.7


8 - Hexanon AR 50/1.7


8 - Sekor CS 50/1.7


PostPosted: Wed Jun 06, 2018 3:40 pm    Post subject: Reply with quote
Like 1 Nice work. Very little difference between those 2 to my eyes. I have a couple of copies of the Konica. Nice lens. The last one I got was an "as is" BIN from KEH. It was 14 USD and 7 shippping. Turned out to be near mint. I've had pretty good luck with the KEH "as is" most have been in fine shape. One had a filter ring ding which I hammered out with the the chopstick method. It barely shows that it was ever damaged. I've not had a chance at the Mamiya. Though I do have a 55mm 1.4 which is also a very nice lens.


PostPosted: Wed Jun 06, 2018 4:19 pm    Post subject: Reply with quote
Yep very little different, but I vote for Sekor CS 50/1.7


PostPosted: Fri Jun 08, 2018 11:29 pm    Post subject: Reply with quote
Like 1

Great post,the sekor has creamier bokeh..but just by a little..i'm a konica guy myself though,and can spot that konica color/contrast ,haven't seen it topped yet.

That konica hex 50mm 1.7 is definitely one of the best 50's made.Great soft portrait lens wide open razor sharp stopped down with that crisp super color. Whoo Turtle


PostPosted: Sun Jun 10, 2018 3:16 pm    Post subject: Reply with quote
The Hexanon is visibly more glowy than Sekor. I'd vote for the Sekor.


PostPosted: Sun Jun 10, 2018 3:22 pm    Post subject: Reply with quote
y wrote:
The Hexanon is visibly more glowy than Sekor. I'd vote for the Sekor.


+1


PostPosted: Wed Jun 20, 2018 4:13 pm    Post subject: Reply with quote
Minolta MD 50/1.7 versus Sekor 50/1.7 - Wide Open, Canon 450D:

Here the difference is much smaller.


1. Minolta MD 50/1.7


1. Sekor 50/1.7


2. Minolta MD 50/1.7


2. Sekor 50/1.7


3. Minolta MD 50/1.7


3. Sekor 50/1.7


PostPosted: Thu Jun 21, 2018 8:41 am    Post subject: Reply with quote
Hoy did you adapt the Mamiya lens to your Canon DSLR? I'm still looking for a Mamiya => Sony E adapter ...

Stephan


PostPosted: Thu Jun 21, 2018 9:48 am    Post subject: Reply with quote
The Sekor is clearly a fine lens from these images - as is the Minolta.
The Hexanon AR is also good, but doesn't deserve the oft repeated " sharpest 50mm lens..." label so often attributed to it in my opinion.
I have had it and used it with other 50mm lenses, and found it to be good, just like they were, but no better - and in many cases not as good.
I think I would describe its effect as underwhelming given the hype that I had read. Another Mamiya Sekor - the 1.8/55 in M42 mount was clearly better in my case.
In any case I sold it and I'm sure it is giving good service somewhere.
I certainly don't miss it at all.
Tom


PostPosted: Thu Jun 21, 2018 10:20 am    Post subject: Reply with quote
Oldhand wrote:
The Sekor is clearly a fine lens from these images - as is the Minolta.
The Hexanon AR is also good, but doesn't deserve the oft repeated " sharpest 50mm lens..." label so often attributed to it in my opinion.
I have had it and used it with other 50mm lenses, and found it to be good, just like they were, but no better - and in many cases not as good.
I think I would describe its effect as underwhelming given the hype that I had read. Another Mamiya Sekor - the 1.8/55 in M42 mount was clearly better in my case.
In any case I sold it and I'm sure it is giving good service somewhere.
I certainly don't miss it at all.
Tom


Isn't it the 57mm Hexanon the one with the sharpness reputation rather than the 50mm?


PostPosted: Thu Jun 21, 2018 11:40 am    Post subject: Reply with quote
Oldhand wrote:
The Sekor is clearly a fine lens from these images - as is the Minolta.
The Hexanon AR is also good, but doesn't deserve the oft repeated " sharpest 50mm lens..." label so often attributed to it in my opinion.
I have had it and used it with other 50mm lenses, and found it to be good, just like they were, but no better - and in many cases not as good.
Tom


I absolutely agree on that.

Stephan


PostPosted: Thu Jun 21, 2018 11:42 am    Post subject: Reply with quote
itsfozzy wrote:

Isn't it the 57mm Hexanon the one with the sharpness reputation rather than the 50mm?


No, it's the Hexanon AR 1.7/50mm:
http://buhla.de/Foto/Konica/Objektive/e50_17.html

Stephan


PostPosted: Thu Jun 21, 2018 11:50 am    Post subject: Reply with quote
stevemark wrote:
itsfozzy wrote:

Isn't it the 57mm Hexanon the one with the sharpness reputation rather than the 50mm?


No, it's the Hexanon AR 1.7/50mm:
http://buhla.de/Foto/Konica/Objektive/e50_17.html

Stephan


Looks like I was getting my lenses mixed up, there does not appear to be a 57/1.7! I have a 50/1.7 sitting next to me, it's a shame I do not have a Yashica ML 50/1.7 to test it against, as that's my benchmark for 50/1.7/1.8 sharpness.


PostPosted: Fri Jun 22, 2018 7:35 am    Post subject: Reply with quote
stevemark wrote:
Oldhand wrote:
The Sekor is clearly a fine lens from these images - as is the Minolta.
The Hexanon AR is also good, but doesn't deserve the oft repeated " sharpest 50mm lens..." label so often attributed to it in my opinion.
I have had it and used it with other 50mm lenses, and found it to be good, just like they were, but no better - and in many cases not as good.
Tom


I absolutely agree on that.

Stephan
This is absolutely true. Given the amount of spherical aberration, CA and missing half-stops (from f/1.7 straight to f/2.Cool... I don't find the 50/1.7 compelling.

The 57/1.4 is said to have a nice bokeh. However, it is only a 6/5 double-gauss. For example RE. Auto-Topcor 58/1.4 is a 7/5 design.


PostPosted: Mon Jun 25, 2018 9:29 am    Post subject: Reply with quote
y wrote:

The 57/1.4 is said to have a nice bokeh. However, it is only a 6/5 double-gauss. For example RE. Auto-Topcor 58/1.4 is a 7/5 design.


I have only limited experience with the Hexanon 1.4/57mm, but i like it, better than the Auto-Topcor RE 1.4/58mm. The Hexanon is a well balanced construction, especially for portrait work at f1.4.

Even in terms of corner resolution one should not underestimate the classical [6/5] 1.4/57mm and 1.4/58mm lenses! The Minolta MC-II 1.4/58mm (1969) for instance is as sharp as the later [7/5] Minolta MC-X 1.4/50mm. The seventh lens of the 1.4/50mm computations was necessary to keep resolution when increasing the image circle from around 40° to 46°.

The very early f1.4 SLR lenses (e. g. Auto Rokkor 1.4/58mm, Nikkor 1.4/58mm) are worse, however.

Stephan
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