plus it's slightly pricier while Canon's lens has a 4x optical zoom which can zoom out wider to 200mm. For people with a Sony camera, however, the new FE 400-800mm offers the longest reach ...

We take a look at the Leica M-glass touting Realme concept at the Mobile World Congress in Barcelona. Realme's main focus at ...

As you might expect, the depth of field is razor-thin, probably sub-millimeter. Additionally, with a 4X lens on a 35 mm sensor, the field of view is about 9 mm so you have to have a steady hand ...

MatSing introduces innovative MBC cylindrical lens antennas for macros for superior network performance and increased ...