The Panasonic 15mm f/1.7 Leica Summilux DG ASPH is a compact, lightweight prime lens that’s perfect for nature and night sky ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

At 25mm, central sharpness is excellent at f/1.7, outstanding from f/2 to f/5.6, excellent at f/8 and still very good at f/11 and f/16. The edges are very good from f/1.7 right through to f/8 and ...

At 10mm, central sharpness is excellent at f/1.7, outstanding from f/2 to f/4, excellent at f/5.6 and f/8, very good at f/11 and still good at f/16, although diffraction at this point is taking a ...