Specifications:

Focal length: 12-24mm
Maximum aperture: f/2.8
Minimum aperture: f/22
Lens construction: 16 elements in 11 groups
Minimum focusing distance: 7.9 inches (20 cm)
Filter diameter: 82mm
Weight: 2.2 pounds (1 kg)
Dimensions: 4.3 x 3.5 x 3.1 inches (110 x 90 x 79 mm)

Features:

Ultra-wide focal length: The 12-24mm range provides a dramatic perspective, ideal for landscapes, architecture, and interior photography.

Constant f/2.8 aperture: The bright aperture allows for fast shutter speeds in low-light conditions and enables shallow depth of field for creative control.

G Master image quality: The lens features advanced optical elements and coatings to minimize aberrations and deliver sharp, detailed images.

XD linear motors: Fast and precise autofocus is achieved through the use of XD linear motors, ensuring accurate subject tracking even in challenging conditions.

Weather-sealing: The lens is dust and moisture-resistant, making it suitable for outdoor shooting in various environments.

Customizable focus hold button: The focus hold button can be assigned to a custom function for quick and easy focus control.

Internal zoom and focus: The lens design prevents the overall length from changing during zooming or focusing, making it convenient for handheld shooting.