The Vixen SLV 4 mm eyepiece is made up of 8 elements in 4 groups. Proper selection of lanthanum glass and lens placement ensures the highest quality of generated images with an extremely large observation comfort. With a large distance of 20 mm, it is not necessary to hold the eye close to the eyepiece in order to see a full and sharp image in the whole 50 ° field of view (important for people wearing glasses). The optics with anti-reflective layers ( Fully Multi-Coated ) ensure error-free color rendering. Images are exceptionally "clean", bright, contrasting, showing a lot of details. Okular is perfect for observing the moon and planets of the solar system. In general opinion, it is considered one of the best planetary observation glasses. The eyepiece has a 1.25 "filter thread.
| • Focal length: || 4 mm |
| • Field of view: || 50 ° |
| • Optical system: || 8 elements in 4 groups |
| • The distance of the output pupil: || 20 mm |
| • Diameter of binding: || 1.25 inches |
| • Anti-reflective layers: || MC |
| • Weight: || 168 g |