Specifications:

Focal length: 15mm (22.5mm equivalent on full-frame)
Maximum aperture: f/1.4
Minimum aperture: f/22
Lens mount: Sony E
Lens construction: 11 elements in 9 groups
Diaphragm blades: 7, rounded
Minimum focus distance: 0.56 feet (17 cm)
Maximum magnification: 0.15x
Filter diameter: 49mm
Dimensions: 2.8 x 2.8 inches (71 x 71 mm)
Weight: 6.4 ounces (181 g)

Features:

Wide-angle focal length: Provides a 22.5mm equivalent focal length on a full-frame camera, ideal for capturing expansive landscapes, architecture, and interiors.

Fast f/1.4 constant aperture: Delivers excellent low-light performance and a shallow depth of field for creating beautiful bokeh effects.

Advanced optical design: Incorporates three aspherical elements to minimize aberrations and deliver sharp, detailed images.

Nano AR Coating: Reduces flare and ghosting for enhanced image contrast and clarity.

Fast and accurate autofocus: Features two XD Linear Motors for rapid and precise focusing, even in challenging lighting conditions.

Dust and moisture resistance: Built to withstand harsh conditions and protect against the elements.

Compact and lightweight design: Makes it easy to carry and use for various shooting scenarios.