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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>cheapbag214s</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/subSilver/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Sat 1:21, 03 Aug 2013<span class="gen"> </span> Post subject: Eyepieces for Telescopes</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Eyepieces for Telescopes <br />Beginner astronomers should be cautious with these things as they have a tendency to go manner overboard. There are numerous designs and different lenses for different viewings. You have to work out what you can be looking at and go from there. Chances are you’ll want two to 3 totally different eyepieces, but no more than that. Right here is a straightforward information to the completely different eyepieces and value involved. <br /> The most popular is the Plossl. It uses 4 to five parts and have a wider subject of view than Orthoscopic lenses. It often ranges from 50-52 degrees. They run between $50-$150. <br /> For normal use, the Orthoscopic lenses were thought-about the best. They use 4 components and are good for planetary viewing. They’ve a 45 diploma discipline of view. They run between $forty-$100. <br /> The Kellner is a general function lens. It has a three aspect design and a 40-forty five diploma field of view. They run between $30-$50. <br /> The Ramsden and Huygenian are good photo voltaic lenses. They have two factor designs. They’re equipped with the least expensive telescopes and have very slender fields of view. They cost between $25-$40,<a href="http://fitflopsoutlet.jimdo.com/" target="_blank" class="postlink">fitflops outlet</a>. <br /> Barlow lenses are an incredible piece to have. They can double or triple the magnification of your eyepiece. They run between $60-$100. <br /> Erfles will not be as favorable today. They use six parts and and a 60-65 diploma subject of view. They run between $seventy five-$150. <br /> Televue has come out with some designs for eyepieces. The six component Panoptic has a 67 degree area of view. It runs between $200-$400. The opposite is a seven to eight ingredient Naglers. This lens has an eighty two diploma subject of view and runs between $175-$425,<a href="http://michealkorshandbags.webs.com/" target="_blank" class="postlink">michael kors canada</a>. <br /> Pentax also makes a seven element lens, the SMC-XL, that runs around $250 each. It’s thought that these exceed the what th Televues can do.</span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/subSilver/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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