slingworks
Well-known member
Hello,
I was looking at a Kowa TSN 611 the other day and I was wondering if there is any significant difference in optical performance between it and the newer TSN 601? Is the 601 simply the same thing in a different plastic package?
I was looking at a Kowa TSN 611 the other day and I was wondering if there is any significant difference in optical performance between it and the newer TSN 601? Is the 601 simply the same thing in a different plastic package?