Professional Astronomy Telescope 34Mm 2" Wide Angle 72° FMC Aspheric Eyepiece HD
Focal length 34mm. 5.Fold-down rubber eyeguards, and barrels threaded for use with 2" eyepiece filters (M48 0.75). Fold-down rubber eyeguards, and barrels threaded for use with 2" eyepiece filters (M48 0.75).