Sonnar T* E 24mm F1.8 ZA E-mount Prime Lens

Sonnar T* E 24mm F1.8 ZA E-mount Prime Lens

Sonnar T* E 24mm F1.8 ZA E-mount Prime Lens
This high-performance Carl Zeiss wide-angle prime lens delivers superior corner-to-corner sharpness even at the maximum F1.8 aperture. It also focuses as close as 16cm providing an unusual combination of close focus and wide-angle perspective. The 24mm focal length is an excellent choice for general shooting. Sonnar T* E 24mm F1.8 ZA E-mount Prime Lens



Circular Aperture

Circular Aperture

When changing your aperture to defocus the background, the light sources appear blurred. This 'bokeh' effect of the blurred background can be enhanced with circular aperture blades used in this lens. Conventional aperture blades have flat sides creating unappealing polygonal shaped defocussed points of light. α lenses overcome this problem through a unique design that keeps the aperture almost perfectly circular from its wide-open setting to when it is closed by 2 stops. Smoother, more natural defocusing can be obtained as a result.

ED (Extra-low Dispersion) glass

As focal lengths get longer, lenses built with conventional optical glass have difficulties with chromatic aberration, and as a result images suffer from lower contrast, lower color quality, and lower resolution. ED glass dramatically reduces chromatic aberration at telephoto ranges, and provides superior contrast across the entire image, even at large aperture settings. Super ED glass provides enhanced compensation for chromatic aberration.
ED (Extra-low Dispersion) glass
Aspherical lens elements

Aspherical lens elements

Aspherical lens design dramatically reduces spherical aberration while also reducing lens size and weight. Spherical aberration is a slight misalignment of the light rays projected on the image plane. This is caused by differences in refraction at different points on conventional spherical lenses which degrade image quality in large-aperture lenses. Specially shaped "aspherical" elements near the diaphragm restore alignment of light rays at the image plane, maintaining high sharpness and contrast even at maximum aperture and can also be used at other points in the optical path to reduce distortion. Well-designed aspherical elements can reduce the total number of elements required in the lens, thus reducing overall size and weight. Advanced Aspherical (AA) elements are an evolved variant, featuring an extremely high thickness ratio between the center and periphery. AA elements are exceedingly difficult to produce, relying on the most advanced molding technology to consistently and precisely achieve the required shape and surface accuracy, resulting in significantly improved image accuracy and quality.

Carl Zeiss T* (T-star) coating

Coated optics were pioneered by Carl Zeiss® - and this superb lens features the Carl Zeiss T* (T-Star) coating that virtually eliminates lens flare, internal reflection and light scattering that can otherwise occur at glass-to-air surfaces. The T* coating contributes to outstanding image quality, with high contrast and uniformly excellent resolution right out to the image edges. Not simply applied to any lens - the T* symbol only appears on multi-element lenses in which the required performance has been achieved throughout the entire optical path, therefore guaranteeing the highest quality.
Carl Zeiss T* (T-star) coating
Internal focusing

Internal focusing

Only the middle groups of the optical system move to achieve focus, so the overall length of the lens does not change. Other important benefits include fast autofocusing and a short minimum focusing distance. Also, the filter thread at the front of the lens does not rotate, which is convenient if you're using a polarizing filter.

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Lens Mount Type Sony E-mount
Aperture Circular
Aperture (Max.) f/1.8 (constant)
Aperture (Min.) f/22
Focal Length (35mm equivalent) 24mm (35mm)
36mm (APS-C)
Filter Diameter 49mm
Lens Groups-Elements 7 groups, 8 elements
Minimum Focus Distance 6.2"
Angle of View 61° (APS-C)
Aperture Blade 7 blades (Circular aperture)
Aspheric Elements 2 aspheric
Distance Encoder Yes
Exterior Finish Metal
Internal Motor Yes (Stepping motor)
Lens Weight 7.9 oz (225g)
Maximum Magnification 0.25x
Mount Material Metal
Weights and Measurements
Dimensions (Approx.) 2-1/2" x 2-5/8"
(63 x 65.5mm)
Weight (Approx.) 8 oz. (225g)
Service and Warranty Information
Limited Warranty Term 1 Year Parts & Labor
SteadyShot INSIDE (image stabilization)
Compensation effect - (supported on body)
Compensation effect - (supported on body)

What's in the Box

  • Front and rear lens cap
  • ALC-SH114 bayonet type lens hood (petal)
  • Lens Case