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Yashinon DX 50mm F1,4
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PostPosted: Sat Jan 18, 2014 3:05 pm    Post subject: Yashinon DX 50mm F1,4 Reply with quote
Picked this one up today from a local photography shop because it was cheap and looked very handsome with the chrome Very Happy

Not very familiar with this brand. I'll post some test shots in a bit.



PostPosted: Sat Jan 18, 2014 3:17 pm    Post subject: Reply with quote
A beautiful lens! I have the same model and it performs pretty well, I'm sure you will like it Smile


PostPosted: Sat Jan 18, 2014 3:48 pm    Post subject: Reply with quote
So here are some quick uninspiring test shots taken around the house Wink

1,4


2,8










PostPosted: Sat Jan 18, 2014 3:55 pm    Post subject: Reply with quote
sharp enough, contrast and color look modest... ok for a cheap lens I guess.


PostPosted: Sat Jan 18, 2014 4:48 pm    Post subject: Reply with quote
Might perhaps be better in bright sunny day instead of dark grey dull day ?


PostPosted: Sat Jan 18, 2014 6:31 pm    Post subject: Reply with quote
These early silver Yashinons are ok, but they are far cry from Takumars.


PostPosted: Sat Jan 18, 2014 8:46 pm    Post subject: Reply with quote
At infinity focus, the rear element of this lens projects far behind the mount.
I have tried one on a Pentax Spotmatic and it interferes with the mirror.
Is this a common problem for this particular lens?


PostPosted: Sat Jan 18, 2014 9:04 pm    Post subject: Reply with quote
!Karen wrote:
Might perhaps be better in bright sunny day instead of dark grey dull day ?


Surely, coating is matter in dull light.


PostPosted: Sat Jan 18, 2014 9:33 pm    Post subject: Reply with quote
Oldhand wrote:
At infinity focus, the rear element of this lens projects far behind the mount.
I have tried one on a Pentax Spotmatic and it interferes with the mirror.
Is this a common problem for this particular lens?
Yes, this is a known issue that this lens has mirror clearance issues


PostPosted: Sat Jan 18, 2014 11:00 pm    Post subject: Reply with quote
I recently repaired and sold one of these.
The interesting point, other than the fact that they are very easy to disassemble, is that the plate with the M42 mount is quite easy to displace from its proper position, and in the case of my lens it was focusing substantially beyond infinity and hitting the mirror on a Spotmatic and my Pentax DSLR as well.
The fix was to loosen the three setscrews on the bottom plate and aligning it correctly while it was screwed on the Spotmatic. I used a set of shims to keep the lens parallel while retightening the setscrews. This part of the design is a weakness. Such a fundamental dimension should not be so prone to displacement. This may be the reason there are reports of it hitting mirrors.


PostPosted: Tue Jan 21, 2014 11:52 am    Post subject: Reply with quote
Oldhand wrote:
At infinity focus, the rear element of this lens projects far behind the mount.
I have tried one on a Pentax Spotmatic and it interferes with the mirror.
Is this a common problem for this particular lens?


That seems. My DX 50/1.4 also hits the mirror of my Spotmatic (both are in perfect condition).
Funny shots!


PostPosted: Tue Jan 21, 2014 8:56 pm    Post subject: Reply with quote
In some cases with lenses like this, whose rear element housing extends especially far into the camera, the interference is not with the mirror but with the tab that pushes the aperture pin in. By trial and error, one can determine the maximum distance setting that avoids any type of interference. Up to that distance, the lens works OK with the body.


PostPosted: Wed Jan 22, 2014 12:28 am    Post subject: Reply with quote
Some test shots from my copy on my Sony a7 at the weekend (click for larger images, note contrast has been increased a bit):

#1 - f/1.4



#2 - f/2



#3 - f/2.8



#4 - f/1.4



#5 - f/2.8



#6 - f/2.8



#7 - f/2.8



#8 - f/8



Summary

An interesting lens which flares at larger apertures! A lot! But it definitely renders well. Oh, and it's VERY pretty Laughing [/b]


PostPosted: Fri Feb 07, 2014 8:31 pm    Post subject: Reply with quote
Just got it on bay. Is it too expensive at 40? No point asking now, but just curious!


PostPosted: Sat Feb 08, 2014 2:17 am    Post subject: Reply with quote
bhargav wrote:
Just got it on bay. Is it too expensive at 40? No point asking now, but just curious!

Proof of the pudding is in the eating.
Try it and see how it compares with other 50mm f1.4 lenses.
If it is as good, you can ask what would you have to pay for the other lens.
That will give an idea if it was a good buy or not.
OH


PostPosted: Sat Feb 08, 2014 9:18 am    Post subject: Reply with quote
That's about the right price I reckon Smile


PostPosted: Sat Mar 10, 2018 9:13 am    Post subject: Reply with quote
At F1,4 the lens are working better than i hoped.


#1


PostPosted: Sat Mar 10, 2018 12:53 pm    Post subject: Reply with quote
it's one of my favorite lenses, I really like it. Like 1 small


PostPosted: Sun Mar 11, 2018 3:23 pm    Post subject: Reply with quote
Lloydy wrote:
it's one of my favorite lenses, I really like it. Like 1 small


Is there a page with your listings?


PostPosted: Mon Sep 17, 2018 11:07 am    Post subject: Reply with quote
An excellent performer even from wide open.
Here is a recent shot at full aperture.
Tom


#1


PostPosted: Mon Sep 17, 2018 1:25 pm    Post subject: Reply with quote
I think that it is safe to say that any Yashinon, especially a DX Yashinon, is going to be a tack-sharp performer. I have a 50mm f/1.7 DX Yashinon in M42 mount, and I've found it to be exceptionally sharp. It blew away a recent Helios 44-2 I also own. Haven't tried it against a Pentax yet, but I'll wager it will hang tough, even against a good Tak.


PostPosted: Sat Mar 25, 2023 11:07 am    Post subject: Reply with quote
A few shots with mine

Highlights:
Bokeh balls by The lens profile, on Flickr

Nice soft bokeh and 3d
Daffodilkeh by The lens profile, on Flickr

Flare
Flarekeh by The lens profile, on Flickr

Stopping down to F8
The Pond F8 by The lens profile, on Flickr


PostPosted: Sat Mar 25, 2023 12:23 pm    Post subject: Reply with quote
Bokeh looks good indeed 👍


PostPosted: Sat Mar 25, 2023 1:59 pm    Post subject: Reply with quote
Creamy Like 1
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