If you are looking for a budget eyepiece that complements or replaces the included eyepieces with your telescope, the SWA-58 is definitely worth considering.
The SWA-58 Plossl short-focus eyepieces have been carefully designed to provide high-quality images regardless of the type of telescope they are used with. They have been optimized for the observation of bright objects, thanks to which they obtain a sharp image throughout the field of view. These glasses have a 58-degree field of view, which, combined with their focal length, ensures comfortable observations of the moon, planets and tight pairs of double stars.
SWA-58 are modified Plossl glasses with an additional element increasing the field of view. The eyepiece has a twisted eyepiece that enables cutting off the side light sources that interfere with the observation. The eyepiece has a standard 1.25 "filter thread. Due to the low price and better than average optical capabilities, the eyepieces are perfect for many optical constructions as well as for binocular attachments.
| • focal length:|| 25 mm|
| • field of view:|| 58 °|
| • exit pupil distance:|| 16 mm|
| • luminaire diameter:|| 1.25 inch|
| • filter thread:|| 1.25 inch / M28x0.6|
| • eyecup:|| rubber, unwound|
| • anti-reflective layers:|| FMC|
| • construction:|| hybrid, neo-Ploessl, 5 elements in 3 groups|
| • maximum diameter of the eyepiece:|| 44 mm|
| • length:|| 72 mm|
| • weight:|| 172 g|