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Message: <blockquote data-quote="CliveP" data-source="post: 3417104" data-attributes="member: 85835">Hi BillI do take your interesting and logical point on board and find no offense (not sure what all the warning postings are about and haven't read or tried to decipher it). I was just messing about to try and see what I could maybe achieve and learn with tampering with the bin as it wasn't one of my main bins that already work well but I am pleased with the result as I checked it again this morning after my eyes had rested and reset and I am especially pleased with the great sharpness and easy detail I can now get (with both sides) and it's especially observable being easily able to focus on and track birds very sharply in flight and it definitely didn't do that as easily before and these are things I iook for or notice.It was the first time that I tried to collimate (to my eyes lets say) a roof bin and I knew basically nothing about it beforehand so along the way I did constantly wonder what I was doing and finding that I was practising a bit of a black art to me. It of course occurred to me that if I started with one side in one position then I would be adjusting the other side to match that and I had no way of referencing the initial side or zeroing it if you like. In the end I tried many different start points etc and made many alignments which were not that difficult and in the end I just settled when I thought it was good for me and happily it is.I actually came to a point of doubting that if I sent it in for this real collimation that I would get this personalised alignment back or one with an equal effect but I do like how the RSPB has been done though a lot of my bins I do actually wonder about on occasion.On balance though it's hard to beat getting a good new bin initially and having a good warranty and professional service backup but it's ok to mess around a bit also with some cheap auction bins. Not sure what I really learnt of certainty but I'm sure I know something more. At least I have have no desire to remove the leatherette on the bins to make any more adjustment and for now it lets me have a chance to get some proper use with the bins and maybe down the line if I like them enough I might have them refurbed by the pro's but I imagine I will have moved on to something else by then probably.I couldn't help being astounded yet again when I picked up my cheap little Carson 7x18 after checking the Pentax this morning. The Pentax will never have that sorcery and this I find most confusing. I must maybe take them both out for a head to head but I'm not so secretly coveting the new 7x20 Carson Falconer or some variant. Could that really actually be even better?</blockquote>

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