Oculair Wide Angle 20mm 70° 1.25"

Optimal for beginners. Delivers a much bigger apparent field-of-view than a standard Plössl type. Comfortable eye relief. 31.7mm (1.25") diameter

This eyepiece is optimal for beginners, because it delivers a much bigger apparent field-of-view than a standard Plössl type combined with a comfortable eye relief.