This compact zoom lens can bring out the best in full frame E-mount cameras in a wide range of day-to-day shooting situations. A constant F4 maximum aperture enables consistent exposure settings throughout the 24 mm to 70 mm zoom range, while ZEISS optics with the acclaimed T coating deliver outstanding clarity and beautiful rendering. It is dust/moisture resistant too. MTF (Modulation Transfer Function) describes how well a lens can reproduce fine details, measured as the degree of contrast achieved between finely spaced lines.
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