The first batch of DRDO-developed anti-Covid drug 2-DG (2-deoxy-D-glucose) was launched on Monday to treat patients suffering from the deadly disease. The medicine comes in powder form and can be ...

Sigma has updated its I Series lenses with refined aperture rings and mechanical improvements, enhancing usability and build ...

Sharpness leaves nothing to be desired. Centrally, it is excellent from f/2 to f/4, outstanding at f/5.6 and f/8, excellent at f/11 and f/16 and still very good at f/22. The edges are very good at ...