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Please contact for a consultation on this eyepiece. So you can benefit from our experience before buying

GSO Superview 50mm 2 "51° large field ERFLE Eyepiece

GSO SuperView 50 - 2" wide angle ERFLE - 50mm focal length with 51° field of view

Eyepieces of the WA ERFLE series from TS Optics stand for a good performance at a reasonable price. Only by direct purchase from the manufacturer, we can offer such a good quality for this price.

The performance data of the WA Erfle 50mm:

Focal length: 50mm
Field of view: 51°
Compensation: full multi-compensation on each glass / air surface
Field aperture diameter: 47mm
Lens edges: blackened
Eye distance: approx. 20mm
Insertion diameter: 2 "with 2" filter thread
Lenses: 5 lenses in three groups (ERFLE design)

The eyepiece can be used well for the following devices:

relatively faint devices with the aperture ratio of f / 8 or slower
An interesting overview eyepiece for all f / 10 devices (Schmidt Cassegrains and Maksutovs)