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Yashica 50mm f1.4 ML - "RioRico" modification to PK mount Review RSS Feed

Yashica 50mm f1.4 ML - "RioRico" modification to PK mount

Reviews Views Date of last review
2 22,051 Sat November 15, 2014
Recommended By Average Price Average User Rating
100% of reviewers $45.00 9.00
Yashica 50mm f1.4 ML - "RioRico" modification to PK mount


FL = 50mm
Ap = f 1.4 to f 16 (no half stops; f1.4, f2, f2.8 ...)
8 blades, 52mm filter
Min focus distance = just less than 0.5m
Modified to PK mount as per modification description of PF member "RioRico"
Mount Type:
Price History:

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New Member

Registered: August, 2014
Posts: 2

1 user found this helpful
Lens Review Date: November 15, 2014 I can recommend this lens: Yes | Price: $45.00 | Rating: 9 

Pros: Solid, fast, Bokeh, sharp
Cons: ?????
Sharpness: 9    Aberrations: 9    Bokeh: 9    Handling: 10    Value: 10    Camera Used: sony nex 5r   

Found in an antique/junk shop attatched to an old Yashica FRII in mint condition had original boxes and looked unused my first 50mm f1.4 and all for 25. I now have two more the om Zuiko 50 1.4 and the super takumar 50 1.4 both of which have better bokeh than the yashica but the yashica to my eyes is sharper than the zuiko and a match for the super takumar. Anyway heres some shots taken with it

Yashica ML 50mm f1.4 by Caledonia84, on Flickr

Scottish BJJ Open 2014 by Caledonia84, on Flickr

Griphouse BJJ by Caledonia84, on Flickr

Down on the upside by Caledonia84, on Flickr

Stuart and Alana by Caledonia84, on Flickr

Sol by Caledonia84, on Flickr

Botanics by Caledonia84, on Flickr

Registered: April, 2011
Location: Lost in translation ...
Posts: 18,002

3 users found this helpful
Lens Review Date: May 21, 2012 I can recommend this lens: Yes | Price: $45.00 | Rating: 9 

Pros: Sharp, f1.4, bokeh, fun to modify ...
Cons: No half stop Ap's - f1.4, f2, f2.8 ... difficult Ap ring too close to body
Sharpness: 9    Aberrations: 8    Bokeh: 9    Handling: 7    Value: 9   


A copy of this lens showed up in the used equipment shelves of my local B&M camera shop. Didn't hesitate too much knowing that I could "easily" modify to a PK mount ... took some time, since it was my first try at this and all worked out quite well.

First test shots are very positive, but I need to practice my MF at f1.4 ... not easy and need more time to learn how to best use this new "Franken-lens" ... Thus, a quick and deserved "8" rating for the moment with more detailed critic to come later. (EDIT : After testing I have upped the ratings = 9 overall ... in my books considering personal "performance/cost/value" ratio)

Below are sample images of the modified Yashica and it on my K-5.

Salut, John le Frog

TEST SHOTS: ( K-5, SOOC: no PP )

Add Review of Yashica 50mm f1.4 ML - "RioRico" modification to PK mount

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