Unlike the best macro lenses, which are used to photograph insects and objects incredibly close-up, the best wildlife lenses ...

These macro lenses offer outstanding clarity for exploring the tiny world — whether you're photographing butterflies or dewdrops.

In this manuscript, a novel dual-band shared-aperture dual-circularly polarized (CP) phased array antenna for satellite communication is proposed, which is constructed by 4 × 4 dual-band (K-/Ka-band) ...