Sigma introduces the APO 100-300mm F4 EX DG / HSM lens |
| Sigma has introduced the APO 100-300mm F4 EX DG / HSM, a fast aperture telephoto zoom lens that provides excellent optical performance for Digital SLR cameras and film SLR cameras The telephoto zoom lens provides large F4 aperture at all focal lengths. The new multi layer lens coating and lens design reduce flare and ghosting, maintains minimal light-fall-off and ensures superior peripheral brightness... |