High-Performance Standard Zoom Lens for RF-Mount Cameras

Overview

The Canon RF 28-70mm f/2.0 L USM is a high-performance standard zoom lens designed for Canon RF-mount cameras. As part of Canon's prestigious L-series, this lens offers an unprecedented f/2.0 constant aperture across its zoom range, advanced optical performance, and professional build quality. It is ideal for a wide range of photographic applications, including landscape, portrait, event, and travel photography.

Key Features

Unique Zoom Range and Aperture

• 28-70mm Focal Length: Offers a versatile zoom range from wide-angle to short telephoto, suitable for various shooting situations, from landscapes and portraits to travel and events.
• Constant f/2.0 Aperture: Provides outstanding low-light performance and depth-of-field control, allowing for beautiful background blur (bokeh) and subject isolation.

Superior Optical Performance

• Advanced Optical Design: Features 19 elements in 13 groups, including Ultra-low Dispersion (UD) and aspherical elements to minimize chromatic aberrations and distortions, ensuring high resolution and contrast throughout the zoom range.
• Air Sphere Coating (ASC): Reduces flare and ghosting, enhancing contrast and clarity even in challenging lighting conditions.

Fast and Accurate Autofocus

• Ring-Type USM (Ultrasonic Motor): Provides fast, precise, and quiet autofocus performance, ideal for both still photography and video recording.
• Full-Time Manual Focus: Allows manual focus adjustments even in AF mode, providing greater control over focusing.

Specifications

• Model: Canon RF 28-70mm f/2.0 L USM
• Mount Type: Canon RF mount (Full-Frame)
• Focal Length: 28-70mm
• Maximum Aperture: f/2.0
• Minimum Aperture: f/22
• Lens Elements/Groups: 19 elements in 13 groups
• Diaphragm Blades: 9, rounded
• Minimum Focus Distance: 0.39 m (1.28 ft)
• Maximum Magnification: 0.18x
• Filter Diameter: 95mm
• Dimensions: 103.8 x 139.8 mm (4.09 x 5.50 in)
• Weight: 1430 g (3.15 lbs)

Additional Benefits

Professional Build Quality

• L-Series Durability: Part of Canon’s professional L-series, known for its superior build quality and performance.
• Weather-Sealed Design: Dust and moisture-resistant construction ensures reliability in challenging environments.
• Fluorine Coating: Applied to the front and rear elements to resist fingerprints, dust, water, oil, and other contaminants, making it easier to keep clean.

Enhanced Control and Usability

• Control Ring: Customizable control ring for easy access to various settings, enhancing usability.
• Smooth Operation: Well-damped zoom and focus rings ensure precise control and smooth operation.