Refurbished Sigma 70-300mm f4-5.6 DG OS (Pentax) for $189

One of the few optically stabilized Sigma lenses for the Pentax K system is the Sigma 70-300mm f4-5.6 DG OS, and this lens is offered manufacturer refurbished with a 90-day warranty for $189 with free shipping at Adorama.

You are paying a premium for the OS (optical stabilization). If you don’t want/need OS, the new condition non-OS 70-300mm f4-5.6 DG Macro goes for $169 with $7~ promotional rewards at Adorama.