Let me introduce you to an excellent vintage lens, production of the Japan.
 
Cosina AUTO COSINON 55mm F/1.4, Japan Lens M42 mount.

Artistic portrait lens with good sharpness and beautiful swirling bokeh.

Cosina AUTO COSINON 55mm F/1.4 is a great lens for SLR cameras, produced in Japan. For cameras with M42 thread, such as Praktica, Zenit, Pentax.

Through appropriate adapter this lens can be installed on any modern SLR and mirrorless cameras, such as Canan EOS, Nikon, Pentax, Sony and more. (Adapter not included).

See the test photo taken by me with this particular lens without any processing!

Included is the front and rear caps.

Item specification:
Lens mount: M42
Focal length: 55mm
Relative aperture: 1:1.4
Scale of diaphragms: from 1.4 to 16
Diaphragm: Auto, Manual
Focusing range: from 0.5m to 10m to infinity
Filter mount: M52x0.75
       
Condition:
As you can see in the photos - it's in Very Good Condition. Front and rear lenses are clean, but the rear lens has a few minor micro-scratches, this does not affect the quality. There is some dust inside. There are barely noticeable traces of fungus at the very edge of the rear lens (see photo). The diaphragm-control ring turns smoothly and accurate. The focusing turns smoothly and precise. Aperture operates in manual and automatic mode.

Payment:
Payment should be sent within 3 days after purchase. Otherwise I can't guarantee availability of the item. 
I'm not responsible for any customs tax that can be charged in a country of delivery. Please, get known the customs rules in your country before bidding.

Shipping Policy:
Shipping from Ukraine. Shipping available Worldwide. I'll ship via registered airmail during 1-3 working days after payment is received. Item are carefully packed usually with bubble wrap in carton boxes.

Don't worry, delivery from Ukraine works as usual! All parcels are shipped from Kyiv on time, however, delivery times depend on transport companies that transit outside of Ukraine. In any case, all parcels are delivered. There may be delays, but this has nothing to do with events in my country!

Save on shipping! When buying multiple items, shipping is combined! I recalculate the shipping cost and issue an invoice for payment, taking into account the total weight of the package.

Return Policy:
Item must be returned within 14 days after the buyer receives the item. Shipping fee will not be refunded. All items must be return in original conditions without any physical changes with all of its components.
Return shipping charges are the sole responsibility of the customer.

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If you have any questions - Please ask! I will try to answer in detail!

Please see my other offers! There are many interesting items!