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Message: <blockquote data-quote="WJC" data-source="post: 3170327" data-attributes="member: 25191">150216Back in the Stone Age, when Cory and I started in navy optics, we played everything related to repair and collimation close to the vest. We KNEW very few others knew what they were doing … and cared even less. Now, we are trying to give the info away as fast as we can in the hopes that a few oddballs (as big as we were) will pick up something, go on to learn more, and help others. Cory gives a class every year on “tail-of the-arc” collimation (hands on) and operates his optical repair business. I teach (academically) the difference between “Collimation and Conditional Alignment” (the Internet is rife with well-meaning but misleading BS on collimation), and try to help on these forums. This is humbling, because it gives me a chance to broach a topic I KNOW empirically to be true only to face the opinions of those who, having NEVER opened a bino in their lives, think differently—usually because of some magazine article written by a would-be “expert” or what’s written on the side of a box. But then, when shadows are growing long, and 20,000 words have been expended, it feels good when someone, who is trusted, comes out of the woodwork to vindicate my initial premise. When I was over on Cloudy Nights, some people approached me to give them pointers on starting a binocular repair business. In no instance, however, was that really what was wanted; most of the work couldn't be done from a sofa. :eek!:Cheers,Bill</blockquote>

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