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GSO SuperView 30mm - 2" wide angle ERFLE - focal length 30mm - 68° 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 GSO Erfle 30mm:

- Focal length: 30mm
- Field of view: 68°
- Compensation: full multi-compensation on each glass / air surface
- Lens edges: blackened
- Field aperture diameter: 42mm
- 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:

- Newton's with f / 5 or fainter
- Refractors with f / 5 or weaker in light
- All other devices with 2" connection