This is from Kasai website (mfg. in Japan)
The same orthos as sold by University optics are available via our Japanese source Kasai Trading. This japanese orthos are reported to be nearly as perfect as the famous Zeiss and Pentax orthos. We are glad to introduce them now in our program
9mm SOLD thanks Bob
I’ve decided to go with radians. These are NIB, in perfect condition.
$55.00 each or all 3 for $150.00, including shipping in conus. PayPal
accepted + 3% or money order.