Lens has T2 screw mount. It will not fit M42 cameras. Please note that adapter is missing rear mount for the camera. I have Canon EF, Nikon F and Pentax K mounts for sale in my store for around $12.

Lens is missing both caps. 
Lens will be shipped as pictured, so please look at the pictures above. 

Shipping is free within USA and $10 via USPS first class air mail service worldwide. You can choose faster (and more expensive ) shipping if desired during checkout.

Cosmetic Condition:

Lens has been used. Glass looks good. I don't see any noticeable scratches. Glass looks very clean and very bright. Glass is free of fungus, haze or dust particles. Lens works good. It has no known issues. 

Lens comes with 90 day money back guarantee.