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Hi Eric, firstly I can't help you with your collimation problem, but am certain that I will need to do what you end up doing at some stage in the future, so I am very interested in how you go from this point forward.
By way of a suggestion, when you finally do fully resolve your issue, it would be great if you could document it combined with suitable images, for storage here locally within IIS, as opposed to going out of house to Cloudy Nights etc.
Also, I hope I don't dilute this thread, but have you ever actually cleaned your lens, and if so, how did you do it (exactly) and what did you use. I am yet to clean them, and I am only speaking of cleaning them from possible dust or just grime that would come after time. I am totally scared to touch the glass with anything, but I also realise that sooner or later I am going to have to clean them, any advice?
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