Sigma's APS-C superzoom for Canon EF-S — a compact 27-300mm equivalent travel lens.
The Sigma 18-200mm f/3.5-6.3 DC is an APS-C superzoom for Canon EF-S mount, covering a 29-320mm equivalent range. One of many versions in Sigma's prolific 18-200mm range, it offers the standard superzoom convenience of one-lens travel photography. Various iterations include OS (stabilised) and non-OS versions with different AF motors.
Optical performance is typical of budget superzooms. Centre sharpness is acceptable at moderate focal lengths. The DC designation confirms APS-C-only coverage. If this is the OS HSM version, it benefits from optical stabilisation and a quiet HSM motor. Non-OS versions lack stabilisation — a significant limitation at the telephoto end.
Canon EF-S mount, APS-C only. Filter thread is 62mm. Weight is approximately 405 grams — compact for the range. Build quality is functional plastic. Several generations exist — the OS HSM Contemporary version is the most refined. No weather sealing. Check which specific version this is, as capabilities vary significantly between iterations.
Affordable on the used market. Check for zoom creep, smooth AF, and if present, OS motor function. A basic travel convenience lens. The OS HSM version is significantly better than earlier iterations. Adequate for casual use but thoroughly outclassed by dedicated zooms at any focal length.