Carl Zeiss Tessar 2.8/50mm West Germany for Icarex, M42 mount
The focus ring is even and smooth.
The aperture works in order.
Glasses are in good condition. 
Front glass has smudges and medium cleaning marks in the central area.

Overall in good condition.

It comes with front and rear original caps.

My general infinity focus disclaimer for ALL manual lenses on digital cameras:
Infinity focus on this lens works in order when used on analog native film camera. If you intend to use it on digital camera via adapter, it still should work in most cases, however there may be exceptions which depends strictly on the digital camera that you use and/or the adapter used to mount the lens. It is your responsibility to research this on your own prior o making the purchase as any complaints regarding the infinity focus will not be accepted.

I will help you with the customs!!! Please ask any additional question regarding the item prior to making the purchase. If you need more detailed pictures of the item or some particular part of the item please contact me prior to making the purchase.