Sigma has issued an apology regarding the fulfillment of orders for the upcoming Sigma BF, set for release on April 24, stating: “Despite our limited production capacity, we are unable to keep up with ...

Experience the charm of manual focus with the Sigma BF, paired with the legendary Voigtländer 35mm f/3.5 and ultra-fast LLL 50mm f/1.2. This combo delivers vintage character, sharp optics, and a ...

Manal Mohammed is a senior lecturer of medical microbiology at the University of Westminster. Since the COVID variant Omicron emerged in late 2021, it has rapidly evolved into multiple subvariants.

Manal Mohammed does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...