The SAL-1870 AF DT 18-70mm f/3.5-5.6(D) lens from Sony is a compact, wide-angle to mid-telephoto zoom lens specifically designed for the Sony Alpha and Minolta Digital SLR cameras. Optics have been optimized for a small diameter image circle in order to work with the APS-C size CCD used with digital SLR cameras. When used with a digital SLR camera, the equivalent focal length for this lens is 27-105mm, ideal for snapshots, portraits, interiors and more - an excellent all-around lens to travel with.
Note! Not compatible with 35mm or "full-frame" digital SLR cameras
The Sony AF-D 75-300mm lens is a general telephoto 4x zoom lens, ideal for sports, portraiture, animals etc. The telephoto effect of this lens makes the picture look compressed or have excellent background blur.
When used with the Sony Alpha digital camera, the equivalent focal length (in 35mm terms) for this lens is 112.5mm to 450mm. This allows you to handle both middle-ground subjects and portraits shot from a relaxing distance. It even captures intimate details and natural wonders close at hand.