The Sony SAL70300G lens is well built overall, but the first G lens to sport a (rather nice) poly-carbonate outer shell and main lens tube, obviously contributing to its lower price tag and weight in comparison to it other G siblings, which I’m sure most will not complain about. The rest of the Sony SAL70300G lens is glass and metal and give it a solid hefty feel and very good overall build.
The build quality of the Sony 50mm F2.8 Macro is good. Sony 50mm F2.8 Macro offers superior focus for an extraordinary range, from infinity to life size, and can also be used a standard lens. With good descriptive performance for high-contrast, high-resolution imaging, and a circular aperture for a beautiful, defocused effect, the Sony 50mm F2.8 Macro lens from Sony brings the moment to life.
Specially designed for the APS-size CCD imager of the Sony α (alpha) DSLR camera, the SAL-18200 is the standard zoom lens that brings you closer to your subject. With superior all-in-one lens performance for everyday shooting, its 35mm-equivalent range of 27mm wide-angle to 300mm telephoto excels at capturing faraway subjects, sports events, dramatic landscapes and intimate close-up views.
The PENTAX smc P-DA J 16-45mm F4.0 ED/AL is recommended for use with digital cameras. It features a 3X zoom ratio with focal lengths covering ultra-wide angle to normal ranges, incorporates a high-refraction extra low dispersion (ED) glass element to produce a high-resolution, high-contrast image with true-to-life color rendition, and aspherical lens elements to help transmit the light more efficiently through the lens to the film.
SAL-2470Z Carl Zeiss Vario-Sonnar f2.8 24-70mm Zoom Lens is a brilliant all-around performer — with SSM (Super Sonic wave Motor) design for fast, silent auto-focus, pro-quality Carl Zeiss T coated optics to reduce lens flare, and 17-element design with two aspherical and two ED glass lens elements to minimize distortion and virtually eliminate chromatic aberration. It benefits from the Super SteadyShot image stabilization built into every Sony Î± system DSLR — and its wide-angle to medium telephoto range in compact, lightweight design is ideal for a wide range of shooting applications