The STISA Aetheris Series T10 features a fully optimized optical system equipped with ED (Extra-Low Dispersion) glass, effectively eliminating chromatic aberration to deliver sharp, natural images with precise and accurate color reproduction. The lenses are fully multi-coated (FMC) and paired with a purple-red multi-coating optical system, significantly enhancing light transmission. This ensures bright, clear images with rich detail, even in low-light environments such as dawn, dusk, or wooded areas.