Classic eyepiece Super Ploessla design, 20 mm focal length. The luminaire in the 1.25 "standard offers very good contrast for affordable money, 20 mm is a focal length that typically allows you to get magnifications on the small and medium border, used extensively in observational astronomy, both to the moon and planets, and clusters, galaxies and nebulae. • Super Ploessl design
• fully glass optics
• good anti-reflective layers
• very good blackening of the interior and edges of the lenses
• aluminum construction
• with filter thread | • Focal length: | 20 mm | | • Own field of view (AFOV): | 52 ° | | • Diameter of binding: | 1.25 " | | • Diameter of the housing from the side of the eye: | 34 mm | | • Length: | 53 mm (without shells) | | • Weight: | 88 g |
2 years
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