This fun manual wide-angle lens for APS-C cameras comes in Nikon Z, Sony E, Fujifilm X, and Micro Four Thirds mounts, and you ...

A four-leaf-clover-shaped antenna composed of a highly resonant radiation element and a stable DC feed element and mounted on an extended hemispherical lens is described. The proposed antenna was ...

This article provides a new approach for the neutral line current. The neutral line current waveforms which had not been discussed before is clearly analyze in this article, including the cause, the ...