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The VC200l's haven't changed optically over the years. There have been varying colours (white and green) and varying accessories with them eg some came with flip mirrors, some not. The thick vanes aren't a problem as lomg as collimation is spot on- this can be difficult, but once done it stays collimated. Virtually all optical problems with them are due to collimation. I bought one secondhand from an Icinspacer, I regard it as the best astronomical purchase I've made in 20 years...a wonderful imaging scope!
Gary
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