42mm Lens Thread Mount?

[RedSun]

I have a Schneider Componon-S 5.6 135mm lens. I can't mount it on the regular 39mm lensborad. It appears to be a 42mm thread. Is that correct? How do I mount it to use with an Omega D5?

[ic-racer]

I have a Schneider Componon-S 5.6 135mm lens. I can't mount it on the regular 39mm lensborad. It appears to be a 42mm thread. Is that correct? How do I mount it to use with an Omega D5?

Omega #421-935

The KHB Omega Guide is a good resource.