The Plossl 4 mm GSO eyepiece is a classic, four-element lunar - planetary eyepiece. The PL eyepieces guarantee good optical quality with a reasonable field of view and a reasonable price.
Okular draws attention with very good blackening, thanks to which the reflections are significantly eliminated when observing the Moon and other bright objects.
The eyepiece has an eyecup made of soft rubber.
A 4 mm focal length eyepiece allows you to obtain the highest magnification, eg with a telescope with a focal length of 1000 mm magnification with this eyepiece is 1000/4 = 250 times.
| • Focal length: || 4 mm |
| • Field of view: || 52 ° |
| • Optical system: || Plossl, 4 elements, |
| • Layers: || FMC |
| • The distance of the output pupil: || 6 mm |
| • Filter thread: || YES |
| • Diameter of binding: || 1.25 inches |
| • Weight: || 74 g |