Canon 2520A004

Overview

The Canon 2520A004 is a 135 mm telephoto prime lens designed for Canon EF mount cameras, delivering a bright f/2 aperture that excels in low-light conditions and creates a shallow depth of field. This lens is ideal for portrait photography, indoor sports, and stage performances where capturing sharp subjects against smoothly blurred backgrounds is essential. Its professional-grade optics and weather-resistant build make it a reliable choice for demanding shooting environments.

Key features

• 135 mm focal length provides a comfortable working distance for portraits and indoor sports, allowing natural subject framing without intrusion.
• Bright f/2 maximum aperture gathers ample light to maintain fast shutter speeds and low ISO settings, enhancing image quality in dim settings.
• Two ultra-low dispersion elements reduce chromatic aberration, ensuring clean and accurate color rendition around high-contrast edges.
• Super Spectra coating minimizes flare and ghosting, preserving contrast and color fidelity even when shooting against strong light sources.
• Ring-type Ultrasonic Motor offers fast, quiet autofocus with full-time manual focus override for precise control without interrupting shooting.
• Weather-resistant construction with seals and a metal mount protects against dust, moisture, and light rain, supporting reliable use outdoors and on location.
• Compatible with Canon 1.4× and 2× EF teleconverters, extending focal length to approximately 190 mm or 270 mm while maintaining autofocus and metering on supported cameras.
• Durable L-series build quality designed to meet professional standards for optics, mechanics, and handling in challenging conditions.

Key specs

• Focal length: 135 mm
• Maximum aperture: f/2
• Lens mount: Canon EF
• Optical elements: Includes two ultra-low dispersion elements
• Coating: Super Spectra coating to reduce flare and ghosting
• Autofocus motor: Ring-type Ultrasonic Motor (USM)
• Weather sealing: Yes, with dust and moisture resistance
• Teleconverter compatibility: Supports Canon 1.4× and 2× EF teleconverters

Performance and reliability

This lens delivers sharp images with excellent color accuracy thanks to its advanced optical design and coatings. The fast and silent autofocus system is well suited for capturing fleeting moments in weddings, sports, or documentary work without distracting noise. Its weather-resistant construction ensures dependable performance in various outdoor and indoor environments, making it a solid tool for professionals who need consistent results throughout long shooting sessions.

Ideal uses and environments

The 135mm f/2L lens fits well in portrait studios, indoor sports arenas, and stage settings where lighting can be challenging and background separation is crucial. Photographers who require a balance of reach, brightness, and image quality will find this lens a strong choice. It also suits photojournalists and event photographers who work in unpredictable conditions and need a rugged lens that maintains focus speed and accuracy.

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