Kern Vario-Switar f/3.5 17-85mm filter thread?

[mr_x]

Hi,

What is the filter thread size of the Kern Vario-Switar f/3.5 17-85mm bayonet fitting zoom lens please?

This is also the thread that the lens hood screws into - I estimate around 40mm?

http://www.chamblesscineequip.com/images/DSC_0074.jpg

Thanks

[mr_x]

38mm

Have step-up, fits like a dream.

Now for some fun ;)