Let me introduce you to an excellent vintage lens, production of the Germany.
 
Zeiss-Opton Sonnar 50mm F/2 Red "T", Lens for Contax RF mount!

The Zeiss-Opton Sonnar 50mm F/2 great vintage camera lens. It was available bayonet mount to fit early Zeiss Contax RF cameras. It was a standard lens for Contax IIA and Contax IIIA cameras.

For rangefinder cameras Kiev, Contax.

The photo is of the actual item for sale!

Through appropriate adapter this lens can be installed on most modern mirrorless cameras, such as Sony E-mount NEX, Micro 4/3, Fuji FX and more. (Adapter not included).

Item specification:
Lens mount: Bayonet Contax RF/Kiev
Focal length: 50mm
Relative aperture: 1:2.0
Scale of diaphragms: from 2 to 22
Diaphragm: Manual
Filter mount: M40.5x0.5
       
Condition:
As you can see in the photos - it's in Very Good Condition. Front and rear lenses are clean, but the front lens has a couple of minor micro-scratches, invisible to the naked eye. There are a few dust particles inside. No fungus. The diaphragm-control ring turns smoothly and accurate.

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.

Thank's for looking my store!

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

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