Mitutoyo (Copy?) with red lettering

[jazzper]

I'm, so happy we've reached a kind of agreement, and that I have learned something in the process.

By the way, is there any way to tell if a microfilm lens or other small lenses of that kind, like the famous JML or the 20mm Otamat, are infinite, and in that case, which fl tube lens is required, or finite, other than test them. I've got the notion that most people use them as finites.

I have just run a 5x test between various lenses, and I must confess, that the Otamat, used as a finite on a bellows, came disturbingly close to the Mitu (with the gold barrel Nikon CFI 10x/0.25 beeing the winner).
That might be the topic for a new post.