The 70-300mm F4.5-5.6 G SSM lens (SAL70300G), for instance, maintains optimum performance at both extremes of the zoom range. What’s more, image quality is uncompromised even at close focusing distances: something that few telephoto designs can deliver.
Lens barrels use high-precision mechanical parts, designed to suppress light reflections in the barrel that can cause flare and lower contrast. Just as important as optical precision is operating feel. The zoom mechanism and other moving parts are finished for an impeccable match and smooth operation.
Another factor contributing to the performance of every α system lens is SteadyShot INSIDE. Sony’s image stabilisation system compensates for the effects of camera shake during handheld shooting. Other systems are typically built into the body of the lens, with inevitable compromises in optical performance.
SteadyShot INSIDE, however, is built directly into the camera body itself. This means that there are no restrictions on the designer to incorporate additional anti-shake mechanisms. This in turn gives more leeway for the design team to focus purely on image quality. It also cuts the bulk and weight of each lens, so there’s less for photographers to carry while they’re on assignment.
Another area where G Lens excels is the rendering of defocused areas (known as ‘bokeh’). In a portrait, for instance, it’s desirable for the subject’s face to stand out clearly in sharp focus, while the background is smoothly defocused. Here, G Lenses effortlessly produces beautiful out-of-focus rendering that’s head and shoulders above the competition.
Latvia
