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Message: <blockquote data-quote="jring" data-source="post: 3295611" data-attributes="member: 133897">Hi Yann,thanks for the explanation - now things get clearer... and the Kowa site is most probably correct as they just state that the current EP lineup for the 60x, 66x and 82SV scopes is compatible to the TSN-1234 and TS-61x series.Not sure what your mystery EP is - as for the tube being longer than necessary - on my legacy 20-60x zoom the front element slides back and forth inside the tube when zooming... if the tube on yours is still longer than necessary at all magnifications, carefully grinding down a few millimeters might be an option.While we talk of my legacy EP - it's gathering dust since I have the Opticron (which gives 18-53x magnification on the TSN-3). If you can use it and want it, send me a PM with your snail mail address and I'll send it to you when I'm back from vacation. It's not great - especially past 45x - but sure better than no zoom.Joachim</blockquote>