NavList:

I will pipe in a bit on this.

It is a bit difficult to compare what are effectively brands without talking about the specific models. I will have to assume that you are comparing the Cassens and Plath Horizon model with a C.Plath Navistar traditional.

I have a Cassens and Plath Horizon and have used a Navistar Professional. Despite the claimed greater accuracy of the Navistar Professional, I can't stand the thing. It was awkward to handle, couldn't accept other scopes, and hard to read It also has a poor selection of shades which makes sunlines difficult to shoot. I also had little luck with my star sights when I used it. It just wasn't a user friendly model to work with. I also don't know too many shooters who could use the fairly nominal increase in accuracy of the Navistar Pro over the C. Plath (0.1' IIRC) and justify the purchase at nearly double the price.

I haven't used a Navistar traditional, but I've seen them and the are well made instruments to be sure.

What lead me to purchase a Cassens and Plath over a used Navistar traditional was features. Polarizing shades are a fantastic option and something I miss when I go back to using more traditional sextants. I love to be able to vary the brightness exactly of not only the sun, but also the moon, Venus, and Jupiter.

Jeremy
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