The Canon EF 8-15mm f/4L USM Fisheye Lens is a high-performance fisheye zoom lens designed for photographers seeking unique perspectives and creative imaging options. Here’s a detailed product description:

Product Overview

Type: Fisheye Zoom Lens

Focal Length: 8-15mm

Aperture: f/4 (maximum), f/22 (minimum)

Mount: Canon EF mount

Weight: Approximately 540g (19.1 oz)

Key Features

Versatile Fisheye Options: This lens offers both circular and full-frame fisheye images, providing a diagonal angle of view of up to 180 degrees, making it suitable for various shooting scenarios.

L-Series Quality: As part of Canon's prestigious L-series, it features superior optical performance, rugged construction, and weather sealing for durability in challenging conditions.

Fast and Quiet Autofocus: Equipped with a Ring USM (Ultrasonic Motor) for quick and silent autofocus, along with full-time manual focus capability, allowing for seamless switching between autofocus and manual adjustments.

Advanced Optical Design: Comprising 14 elements in 11 groups, including Ultra-Low Dispersion (UD) glass and Canon's Subwavelength Structure Coating (SWC) to minimize ghosting and flare, ensuring sharp and clear images.