Sigma announces new APO 135-400mm F4.5-5.6 DG lens |
| Sigma announces the new APO 135-400mm F4.5-5.6 DG lens. This compact ultra-telephoto zoom lens is optimized for digital SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance and better picture quality through the entire zoom range. This lens uses one aspherical lens and three SLD glasses for excellent correction of chromatic aberrations... |