Best prime DX lenses on the Nikon D500 Your choice to shoot a smaller sensor DSLR brings some lens choice advantages as well, with an additional range of APS-C only DX mount lenses adding to the full ...

For our DxOMark lens reviews, we evaluate the performance of interchangeable lenses for cameras equipped with sensors that can capture images in RAW format. In this article, we explain how we test for ...

Flexible ureteroscopes are widely used for inspection, access, and manipulation in the ureter and kidney during uretero-renoscopy. However, existing endoscope designs rely on decades-old manual ...

BVI is a winner in the Research and Development, Investments, and Product Launches categories in the 2025 Medical Device ...

An adjustable-focus endoscope is reported in this paper. Such an endoscope consists of a miniature solid tunable lens designed according to the Alvarez principle, two slim piezo benders and one image ...