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55mm lens. 1,8 mamiya SX vs. Auto Chinon 1,7. Which?
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PostPosted: Thu May 30, 2019 4:18 pm    Post subject: 55mm lens. 1,8 mamiya SX vs. Auto Chinon 1,7. Which? Reply with quote
Both with good fame

Not multicoated.

Six elements

Tomioka's design?

Which more sharp and with more contrast? Better bokeh?


PostPosted: Thu May 30, 2019 4:42 pm    Post subject: Reply with quote
Sample with the Chinon:
Bokeh balls by The lens profile, on Flickr

This is a Mamiya Sekor 50mm F2
Mamiya/Sekor 50mm F2 by The lens profile, on Flickr


PostPosted: Thu May 30, 2019 5:14 pm    Post subject: Reply with quote
Thank you, very much

if the images speack by themselves, the mamiya has a bit sharper details and nice colors


PostPosted: Thu May 30, 2019 5:33 pm    Post subject: Reply with quote
Here is a similar one I just made with the Mamiya.

Bokeh by The lens profile, on Flickr

I must say it has pretty low contrast wide open. But that is correctable in post and could be pretty useful for portraits. My copy still has fungus in it, I have yet to clean it. That may be part of the cause of the contrast.


PostPosted: Thu May 30, 2019 5:39 pm    Post subject: Reply with quote
Thanks for the second example.

Hmmm...I think the Chinon is sharper with better colors. Smile


PostPosted: Thu May 30, 2019 5:49 pm    Post subject: Reply with quote
Can't really tell much from the colours of these samples lighting conditions are different the greens have turned a shade darker since the first shot, where it had also just rained so there is more contrast in the wood because it is wet.


PostPosted: Thu May 30, 2019 11:29 pm    Post subject: Reply with quote
Mamiya you say it is 2/50?


PostPosted: Fri May 31, 2019 9:15 am    Post subject: Reply with quote
Auto Mamiya/Sekor 50mm 1:2 by The lens profile, on Flickr Auto Mamiya/Sekor 50mm 1:2 by The lens profile, on Flickr

Yup


PostPosted: Fri May 31, 2019 11:48 pm    Post subject: Reply with quote
The Mamiya 50 / 2 is very good, but I like the 55 / 1.8 more, it really is an exceptional lens. Another one that gets overlooked is the Petri 55 / 1.8 which I think is equal to the Mamiya. It's a lens I regret selling. Rolling Eyes

And the Chinon 55 / 1.7 is good, as indeed are the Takumar 55 / 1.8 and 2. I quite like my Fujinon 55 / 1.8, but not as much as the others I've mentioned here so it rarely gets used. But the Fujinon 55 / 2.2 is a different thing entirely, and a very distinctive lens.


PostPosted: Sat Jun 01, 2019 7:02 pm    Post subject: Reply with quote
I agree with Lloydy.

The mamiya 55 1,8 is an excellent lenses.

I have both, the first and the second (SX) formulas.

Can't try which is the best because my Nex 5 N is broken.


PostPosted: Sat Jun 01, 2019 8:56 pm    Post subject: Reply with quote
Lloydy wrote:
The Mamiya 50 / 2 is very good, but I like the 55 / 1.8 more, it really is an exceptional lens. Another one that gets overlooked is the Petri 55 / 1.8 which I think is equal to the Mamiya. It's a lens I regret selling. Rolling Eyes

And the Chinon 55 / 1.7 is good, as indeed are the Takumar 55 / 1.8 and 2. I quite like my Fujinon 55 / 1.8, but not as much as the others I've mentioned here so it rarely gets used. But the Fujinon 55 / 2.2 is a different thing entirely, and a very distinctive lens.


Besides the bubble bokeh and different character ,how is the 2.2 fujinon wo? Sharpness , mainly...


PostPosted: Sun Jun 02, 2019 10:02 am    Post subject: Reply with quote
It is a bit soft and glowy

@1:2 magnification before after:


Last edited by D1N0 on Sun Jun 02, 2019 10:27 am; edited 1 time in total


PostPosted: Sun Jun 02, 2019 10:22 am    Post subject: Reply with quote
Lloydy wrote:
The Mamiya 50 / 2 is very good

I've been using the Mamiya/Sekor 50mm 1:2 for landscape images on my Sony A900, simply to experience how it feels apart from the usual testing. The lens is very sharp at f8 (and most vintage 1.7/1.8/2.0 50mm/55mm lenses are), but in addition it has nearly no CAs which results in very clear colors. A nice lens indeed.


Lloydy wrote:
but I like the 55 / 1.8 more, it really is an exceptional lens.

I do own one, but i did never use it for some time. Maybe i should ...


PostPosted: Mon Jun 03, 2019 8:24 am    Post subject: Re: 55mm lens. 1,8 mamiya SX vs. Auto Chinon 1,7. Which? Reply with quote
papasito wrote:
Both with good fame

Not multicoated.

Six elements

Tomioka's design?

Which more sharp and with more contrast? Better bokeh?



These are my copies:


#1


#2




And now some comparison shots taken with a Sony A7ii.
Chinon, then Sekor. Wide open, and then f/4.



#1


#2


#3


#4




These are crops from the above images. The two blossoms are from the left foreground.



#5


#6


#7


#8




And the bubbles crops are from the upper left corner:




#9


#10


#11


#12




I hope those are helpful!

Tim


PostPosted: Tue Jun 04, 2019 4:05 pm    Post subject: Reply with quote
Thank you, Till. Very much.

The SX is a very good lens.

the best of both, for me.


PostPosted: Wed Jun 05, 2019 7:33 am    Post subject: Reply with quote
You're welcome, papasito. I should use my Sekor SX more often.
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