To Mr. White or Mr. Brown 
I have tried to find info about this lens :
Zeiss APO Tessar 450/9
Any of you guys have it and : recommend it - or would you trash it
Actually i did buy it cheap (70 USD
) and it is fine - no scratches but NO retaining ring 
Mr. Blue

I have tried to find info about this lens :
Zeiss APO Tessar 450/9
Any of you guys have it and : recommend it - or would you trash it
Actually i did buy it cheap (70 USD


Mr. Blue