Ray Porter wrote:

However, I've owned a couple of the Kendrick SCT collimators and they
perform pretty much exactly as indicated in the documentation on the
Kendrick site. I'm not sure about the 5 times greater accuracy claimed by
Kendrick but they are at least as accurate as a star test as long as you
follow the directions precisely.

etc.

Thanks! Actually, a secondary reason for using a laser collimator is the
knowledge that, at age 70 time is rapidly moving along, and he/she who
dies with the most toys wins ;-