How can you elevate your photography and videography to professional levels? The Sony FE PZ 28-135mm f/4 OSS G Lens for Sony E is your answer. This full-frame, powered zoom lens is designed specifically for high-quality movie imagery, including 4K, making it an ideal companion for your Sony alpha7S or PXW-FS7 camcorder. The lens boasts a constant f/4 circular aperture, maintaining consistent exposure throughout the entire zoom range. This feature eliminates the need for on-the-fly lighting adjustments, making your shooting experience smoother. When fully open, the circular aperture creates rounded defocused points of light, resulting in a beautiful, smooth bokeh effect.The Sony FE PZ 28-135mm f/4 OSS G Lens is equipped with an ultra-quiet wave motor, ensuring that zooming noises don't interfere with your video's soundtrack. The lens also utilizes quiet floating motors for the aperture and autofocus, eliminating any sound-producing gears or couplings. The SteadyShot image stabilization feature uses gyro sensors to accurately compensate for hand shake and vibrations, producing clear, sharp images. The internal focusing mechanism ensures the camera's end doesn't rotate, a crucial feature when using a polarizing filter. This lens is constructed with extra-low dispersion glass, Nano AR coatings, and aspherical lens elements, reducing ghosting, flare, and chromatic effects. The zoom range extends to 42-202.5mm when used on an APS-C or Super 35 camera