While it’s easy for other manufacturers to vie for the lowest price, Tele Vue continues to believe that quality, performance and consistency will ultimately reward you with the most value for your dollar.
Diffraction limited “on-axis” performance is a given. Using more expensive high-index glasses to reduce astigmatism and lateral colour at the field’s edge, Tele Vue Plössls deliver sharper images than any other brand of 4 or 5 element “Plössls” or Orthoscopic designs.
Focal length: 20mm
Barrel Diameter: 31.7mm (1.25″)
Apparent Field: 50°
Eye relief: 14mm
Field Stop Diameter: 17.1mm
Review This is a very good medium power eyepiece for lunar observing, resolving globular clusters, picking up detail in emission and reflection nebulas, etc.
The rubber grip give sure grip and makes it comfortable to use in cold weather.
The comfortable 14mm eye-relief is suitable for those wearing glasses .
Like all TeleVue Plossls it has filter threads to fit your filters and blackened lens edges as well as being parfocal.