Are Plossl Eyepieces Good?
Plössl Eyepieces Are Good All-Around Performers, Producing Sharp Images at the Center of the Field, but They Have Only Four Lens Elements. Better Edge...
Plössl eyepieces are good all-around performers, producing sharp images at the center of the field, but they have only four lens elements. Better edge correction with a short-focus telescope is one of the things you pay extra money for, and sophisticated eyepiece designs have as many as eight elements.
What does a Plossl eyepiece do?
These eyepieces produce a 'standard apparent feld of view' of between 50° and 56° with most set at around 52°. ... This general purpose design gives good colour correction and an adequate feld of view at reasonable cost and they are often bundled with new telescopes.
What is the difference between a Kellner and Plossl?
Kellner eyepieces have decent eye relief, a fair field of view (45 degrees) and little curvature of field. The Plossl eyepiece is composed of two doublets, which are identical to each other. For this reason, you will also hear it called a symmetrical eyepiece.
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