Capture crisp shots with this Sigma 883109 18-250mm f/3.5-6.3 DC Macro HSM zoom lens, which is designed for use with most PENTAX digital cameras with an APS-C-size sensor and features an HSM (Hyper Sonic Motor) that enables rapid, quiet autofocus.
The 18-250mm f/3.5-6.3 DC Macro OS HSM is the latest in a long line of all-in-one 'superzoom' lenses from Sigma, having been announced in June 2012. It offers two main developments over its predecessor, the confusingly similarly-named 18-250mmFull Review
The Sigma 18-250mm f/3.5-6.3 DC OS HSM was first announced in January 2009, becoming available to buy in March the same year. It's essentially an update to the 18-200mm f/3.5-6.3 DC OS HSM, with an extended 13.9x zoom range bringing it closer inFull Review
Even several years ago lenses with 10-15x zoom multiple were those products I wouldn't recommend to anybody. Often shoddily made devices (with the exception of the Canon L-series lens), they provided images of average or weak quality. TheFull Review
Like most ''vacation'' zooms, the trick is to know the parameters where they function best. Sigma's latest iteration of this lens offers a bit more telephoto performance, for which the integrated optical image stabilization is crucially useful.Full Review