Are there any hand-held rangefinders good for zone focusing?

[runswithsizzers]

There is a lot of information already out there if you try to find it. Please read Mercury Camera's page:

https://mercurycamera.com/accessories-2/accessory-range-finder-roundup/

Thanks for providing that most excellent resource! I'm pretty sure what I'm looking for is described on that page.

 

[hardly any color]

There are many laser based rangefinders for not too much money, there are also professional grade ones, and even some sold under the Leica brand. They work well and will show you the distance in whatever unit you choose.