SVBONY SV535 105mm f/2.8 APO Astro Camera Lens – Ultra-lightweight design for portable astrophotography. Features a 105mm focal length, f/2.8 aperture, and APO optics for sharp, true-to-life stars. Manual focus with EAF support, suitable for deep-sky imaging on mirrorless cameras. To capture the vast starry skies of the suburbs, you need this "Stellar Field Filter." It efficiently allows the light from nebulae to pass through while blocking artificial light pollution, helping you capture the detailed features of celestial objects. Covering most nebulae, galaxies, and star clusters, this filter enhances contrast while maintaining color balance. It allows you to observe vivid celestial objects, even in bright light-polluted areas.