Canon RF 50mm F1.2 L USM Instruction Manual

Pages 13

Year 2018

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Canon RF 50mm F1.2 L USM Specification

The Canon RF 50mm F1.2 L USM Lens is a high-performance prime lens designed for Canon's full-frame mirrorless RF mount cameras. It features an impressive maximum aperture of f/1.2, which allows for exceptional low-light performance and delivers stunning depth-of-field control, making it ideal for portraiture, street photography, and any application requiring a sharp focus on the subject with a beautifully blurred background. The optical construction includes 15 elements in 9 groups, incorporating one UD (Ultra-low Dispersion) element and one aspherical element to minimize chromatic aberrations and distortions, ensuring outstanding image clarity and sharpness across the frame.

The lens employs Canon's advanced Ultrasonic Motor (USM) for fast, precise, and near-silent autofocus, which is essential for both still photography and video recording. It also includes a customizable control ring, allowing users to adjust settings such as aperture, shutter speed, or ISO directly from the lens, offering enhanced operational efficiency. The RF 50mm F1.2 L is built with professional-grade weather sealing to protect against dust and moisture, ensuring reliable performance in challenging environmental conditions. Its robust construction and high-quality materials signify its inclusion in Canon's esteemed L-series lineup, known for durability and superior optical quality.

With a minimum focusing distance of 0.4 meters, this lens provides a maximum magnification of 0.19x, allowing photographers to capture close-up details with remarkable clarity. The lens weighs approximately 950 grams and has a filter size of 77mm, making it a substantial yet manageable addition to a professional photographer's kit. The Canon RF 50mm F1.2 L USM Lens is a testament to Canon’s commitment to optical excellence, catering to photographers who demand exceptional image quality and performance in a standard focal length lens.

Canon RF 50mm F1.2 L USM F.A.Q.

What are the key features of the Canon RF 50mm F1.2 L USM Lens?

The Canon RF 50mm F1.2 L USM Lens features a large f/1.2 aperture for excellent low-light performance and depth of field control, L-series quality with advanced optics for sharpness, a ring-type USM for fast and quiet autofocus, and a customizable control ring for enhanced shooting flexibility.

How can I achieve the best sharpness when using the Canon RF 50mm F1.2 L USM Lens?

To achieve optimal sharpness, use a smaller aperture such as f/2.8 to f/4, ensure the lens and camera are properly calibrated, and use a tripod to minimize camera shake, especially in low light conditions.

What should I do if the autofocus is not working properly on my Canon RF 50mm F1.2 L USM Lens?

Check if the autofocus switch on the lens is set to 'AF', ensure that your camera's firmware is up to date, clean the lens and camera contacts, and try resetting the camera to default settings. If issues persist, consult Canon support.

How do I clean and maintain my Canon RF 50mm F1.2 L USM Lens?

Use a blower to remove dust, a soft lens brush for small particles, and a microfiber cloth with lens cleaning solution for smudges. Always store the lens in a dry, dust-free environment with the caps on to avoid damage.

Is the Canon RF 50mm F1.2 L USM Lens weather-sealed?

Yes, the Canon RF 50mm F1.2 L USM Lens is weather-sealed, providing resistance against dust and moisture. However, it is still advisable to avoid extreme weather conditions to maintain lens longevity.

What settings should I use for portrait photography with the Canon RF 50mm F1.2 L USM Lens?

For portrait photography, use a wide aperture like f/1.2 to f/2 for a beautiful background blur, set a low ISO for minimal noise, and adjust the shutter speed to ensure proper exposure. Consider using eye-tracking autofocus for sharp portraits.

How can I reduce lens flare with the Canon RF 50mm F1.2 L USM Lens?

Use a lens hood to block stray light, avoid shooting directly into strong light sources, and position yourself to minimize direct sunlight entering the lens. Post-processing can also help reduce any remaining flare effects.

What is the best way to carry a Canon RF 50mm F1.2 L USM Lens for travel photography?

Use a padded camera bag or case that securely holds the lens, ensuring it is kept away from heavy items. Consider using a lens pouch for additional protection, and always use the lens caps to prevent scratches and dust.

Can I use filters with the Canon RF 50mm F1.2 L USM Lens?

Yes, the Canon RF 50mm F1.2 L USM Lens has a 77mm filter thread, allowing the use of various filters such as UV, polarizing, and ND filters to enhance image quality and provide protection.

What camera models are compatible with the Canon RF 50mm F1.2 L USM Lens?

The Canon RF 50mm F1.2 L USM Lens is designed for Canon's EOS R series mirrorless cameras. It is directly compatible with any camera that uses the RF mount.