SV503 80ED telescope’s objective lens features an S FPL-51 extra-low dispersion glass ED element, which virtually eliminates chromatic aberration. This results in the good color correction for an ED doublet lens.
- Extra-low Dispersion glass; SV503 Telescope OTA is designed with ED glass; will give you the crystal clear image;SV503 80ED telescope produces an especially colour true and high contrast image; just right for more discerning observers
- Dual-speed rack and pinion focuser;The gear ratio of the dual speed 2-inch toothed focuser is 1: 10; which makes it easy to achieve accurate focus
- Top-quality Material; The appearance of the SV503 OTA is baked with high-end fine-grained paint; with exquisite appearance and delicate feel;all machined by CNC
