tag:blogger.com,1999:blog-5412328591853084136.post9019831652332979807..comments2023-11-23T19:04:31.737-08:00Comments on Pruss's Amateur Astronomy: Solar observing mishapAlexander R Prusshttp://www.blogger.com/profile/05989277655934827117noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5412328591853084136.post-79885676075733282782012-04-05T19:11:43.507-07:002012-04-05T19:11:43.507-07:00I re-glued the lenses with high-temperature RTV. ...I re-glued the lenses with high-temperature RTV. Works fine as an eyepiece (except for a bit of the RTV showing in a shadowy way near the edge of field). I hope the high-temperature RTV would let me use it as a solar projection eyepiece. As a test, I glued two black pieces of metal together with the RTV as a test, and then held it at the prime focus of the telescope, and sure enough pretty quickly the test RTV started smoking and softened. <br /><br />But a very kind person on Cloudynights is sending me an all-metal 25mm Kellner.Alexander R Prusshttps://www.blogger.com/profile/05989277655934827117noreply@blogger.com