Aspherical lenses located on either side of the aperture effectively compensate for distortion, while an ED element suppresses chromatic aberration. The overall result is excellent corner to corner sharpness even with the aperture wide open, for impressive overall resolution The large f/1.8 aperture is an ideal choice for shooting interiors in low light, as well as for superb background defocusing. Despite being a wide angle lens (36mm in the 35mm format), this lens allows for 1/4 macro shooting with accurate focus as close as 6.2-inch. The ability to get close to the subject enhances this lens's ability to create beautifully defocused backgrounds while providing a strong sense of space Lens operation is fast but at the same time smooth and quiet, minimizing noise and image jitter when shooting movies. A linear motor used for focus drive contributes to low noise focus operation, while a stepping motor built into the lens provides smooth, quiet aperture actuation ideal for movie shooting The lens features 7 aperture blades that form a near circle DMF allows for direct manual focusing after autofocus lock on without having to switch modes. In cases where autofocus has trouble locking onto the subject or when the user wants to focus at a specific point, this feature enables fast and easy fine tuning. This can be particularly useful for portraits as well as macro shots in which depth of field can be extremely shallow No image stabilization Electronic components Model: SEL24F18Z Included items: Front and rear lens caps, lens hood Dimensions: 2.58 inches wide x 2.48 inches deep Weight: 7.9 ounces

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