Leica has been making 35mm manual-focus lenses for its rangefinder cameras since the late 1930s, announcing the latest one (the APO-Summicron-M 35mm f/2 ASPH.) in February 2021. However, the Summicron ...

The suspension of interventions is due to the beginning of the harvest and the expected arrival of grain on the market, the press service of the Agriculture Ministry explained ...

According to the report, there are also some shortfalls, such as Ukrainian troop numbers, that the country’s Western allies cannot fix ...

As an extension to previous work on flat metamaterial lenses for antenna gain enhancement, we present a dual-metamaterial design for a far-field collimating lens using an artificial magnetic ...

Beyond 5G/6G, large aperture antennas are used to compensate for the high propagation loss in the millimeter wave band. The large anechoic chambers required to accommodate DFF (Direct Far Field) ...

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