beaulieu / angenieux filters

[gilmata]

hi all
hope everything allright!
i was trying to discover which type of filters could i put in a anginieux 17-62mm, for a beaulieu R16.
in the lenses is writed SIZE 7. how many mm is that?
anyone could tell me?
my best regards
André

[kontrabass888]

I have an angenieux 17-68mm F2.2.
The filter size is 45mm, I bought two adapter ring which are 45-46 46-52, so, now, I can use 52mm filters and lens cap from my nikon system.