Focal Length: 25 mm Barrel Size: 1.25 Apparent FOV: 50.0 degrees Eye Relief: 22 mm Elements: 4 Field Stop Dia: 21.2 mm (?) Fully coated, and lens edges are blackened to reduce light scatter and maximise contrast. Threaded for use with 1.25" eyepiece filters.
The Silver barrel SkyWatcher 25mm and 10mm Plössl eyepieces and 2x Barlow were usually included free with many telescope packages. The simple design make these eyepieces ideal for all observing purposes.
