Svbony SV135 Zoom Telescope Eyepiece, 1. 25inch 7-21mm Zoom Eyepiece for Telescope, FMC 6 Element 4 Group Telescope Lens, Telescope Accessories for Planetary Moon Astronomy Observation.

SVBONY SV135This is definitely a must for beginners to start a good eyepiece collection. with this eyepiece, you can enjoy planetary astronomy. As a beginner; SV135 is good foru2002starter astronomer. Zoom from low to high power in an instant with SV135 versatile eyepiece Zoom Eyepiece; 7mm21mm linear continuous zoom; give you more flexibility with out changing eyepieces;Very easy to use and very smooth operation. 1. 25 barrel size; Compatible with any telescope that accepts 1. 25 eyepieces;1. 25 aluminum barrel is threaded for filters and internally blackened to eliminate internal scattering.