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Hands up anyone who has had to recollimate a good refractor? Not many I bet. I have built a good refractor and as long as your cell is collimatible, it's easy to setup and keep collimated. It only requires a properly collimated laser and an understanding. The illusion that TAKs are some kind of exotic astro witchcraft, are just that an illusion. I suspect TAK avoids buyers messing about with collimation by making it difficult, and heck we can charge them heaps for it later.
Last edited by glend; 21-11-2022 at 02:35 AM.
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