21mm diameter lens tubes with ZnSe focus lens. or 3pc Kit +Alignment Tool

These people are the best! If you need a lens or lens accessory for your laser, dont call anyone else! Excellent products and premium customer service!

Excellent product and above and beyond customer service.

I was able to receive all answers I had in an expedient manner and the customer service from Lou was outstanding!

Fantastic service!Had to go

Fantastic service! Had to go bad (because of my error). APS was great in diagnosing the issue and helping resolve it. It shipped out a new lens quickly and got me back into business.