need some help

[Redsun]

Hi guys
i bought this 28mm and am trying to get a ND filter for it
however,i do not know the filter size
Is there anyway to find out the filter size from the serial no on the front?

Thanks

 

[kokanadan]

My guestimate -> Leitz 28mm ver2.0 -> E48
source : Leica 28mm M Mount Lens Price and Information Guide

 

[Redsun]

My guestimate -> Leitz 28mm ver2.0 -> E48
source : Leica 28mm M Mount Lens Price and Information Guide

oh thanks for the link!

 

[crispy12]

congrats post some pictures!