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Vixen Lanthanum Superwide 13mm

Terrific eyepiece and the perfect companion to my 22mm Lanthanum superwide: In fact, they are so similar in use (other than image magnification) that I have to look at the barrel to see which eyepiece is in the focusser. Wonderful wide field, friendly eye relief, excellent image qualities. I used to use a 16mm Clave plossl in my C-8 for planetary viewing - the 13mm shows every bit as much detail and contrast, so the poor Clave just sits in the eyepiece case. Of course, the 13mm is a hunk and resembles a counterweight, so it throws off balance, but it is a really pleasant medium focal length eyepiece to use.

Overall Rating: 10
Weight: 3 (Unreliable Vote)
Date: 03/10/2001 08:39:05 am PST
By: Anonymous (xxx.xxx.57.72)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=44063

&gt;Terrific eyepiece and the perfect companion to my 22mm Lanthanum superwide:  In fact, they are so similar in use (other than image magnification) that I have to look at the barrel to see which eyepiece is in the focusser.  Wonderful wide field, friendly eye relief, excellent image qualities.  I used to use a 16mm Clave plossl in my C-8 for planetary viewing - the 13mm shows every bit as much detail and contrast, so the poor Clave just sits in the eyepiece case.  Of course, the 13mm is a hunk and resembles a counterweight, so it throws off balance, but it is a really pleasant medium focal length eyepiece to use.

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I have the 13mm superwide and it is, as stated, one of the easiest, most comfortable eyepieces I've ever used. Comparing it with my 12mm T4 Nagler or 12mm Radian, I've noticed it does have noticeably less light throughput and sharpness on deep sky objects. It is a great eyepiece for star parties, however, since it has absolutely NO blackout or kidney bean effects. Beginners will always be able to see what you are trying to show them.

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