Originally Posted by
ferdi_cvg
OS stands for optical stabilizer or equivalent to nikkor's VR (Vibration Reduction)...which allows you to take pictures at lower shutter speed (<30 sec) or at longer focal range (200 mm) without the blur or handshake effect...It is always to have OS on sigma lens...nice if we can still haggle with the price...
thanks...so kani wala ni OS na lens or naa?