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<p>[QUOTE=&quot;Shangas, post: 31554, member: 360&quot;]Maybe someone here can help me. </p><p><br /></p><p>I have a brass telescope. </p><p><br /></p><p><img src="https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xpa1/t31.0-8/10869499_1534988426759638_1749760415664257067_o.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p><br /></p><p>See? </p><p><br /></p><p>Anyway, it does something which I don&#039;t understand. The final extension on the telescope pops out past the final lens. Like this...</p><p><br /></p><p><img src="https://scontent-b-hkg.xx.fbcdn.net/hphotos-xaf1/t31.0-8/10818270_1534988466759634_1724424412223637009_o.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p>Retracted...</p><p><br /></p><p><img src="https://fbcdn-sphotos-a-a.akamaihd.net/hphotos-ak-xap1/t31.0-8/1014992_1534988483426299_4414379859906984938_o.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p>...extended. </p><p><br /></p><p>Retracted...</p><p><img src="https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-xfa1/t31.0-8/10397224_1534988513426296_5965456251975449946_o.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p><br /></p><p>...extended: </p><p><img src="https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xfp1/t31.0-8/1795429_1534988500092964_8171408598617884287_o.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p><br /></p><p>My question is: WHY? </p><p><br /></p><p>It&#039;s not broken. It works fine. I just want to know what the purpose of this extra extension is. Why was it built in as a feature of this telescope? Is it a shield against glare? Rain? Smoke? What? I dunno!![/QUOTE]</p><p><br /></p>

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