Jupiter-8 Red Star

I was looking through the WIKI and spotted the above Jupiter-8 Red Star lens but I do not understand its description.

Would someone please re-define so I may further understand its significance ?

Thank you very much.

Steve

Steve,

see http://www.ussrphoto.com/Forum/topic.asp?TOPIC_ID=341

Vlad

Vlad and others:
At http://www.photohistory.ru/1210176066590054.html thereis another J-8 Red Star. Abramov says nothing about.
Regards LP