| This is a very good medium to low power (depending on the focal length of your telescope) eyepiece for lunar observing, viewing emission and reflection nebulas in their entirety, etc. It has a rubber grip ring for comfort in cold weather. It provides a big 5.55mm exit pupil with an f/4.5 Dobsonian reflector for rich field scanning of the Milky Way star clouds in Sagittarius from a dark sky site. An excellent choice to replace the so-so 26mm eyepiece that comes with many moderately-priced scopes. The 25mm TeleVue Plössl was top-rated in a recent test report of 31 eyepieces in Sky & Telescope magazine as being the best in its focal length. |
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