Pentax-DA 18-250mm F3.5-6.3
Pentax today announced its 18-250mm 14x superzoom covering an equivalent focal range of 27.5 - 383 mm. Alongside the hulking zoom range it also boasts internal focus and a closest focus distance of 45 cm (17.7 in) throughout the zoom range - giving a reproduction ratio of around 1:3. One ED (Extra-low Dispersion) […]