Canon RF 85mm F1.2 L USM DS Instruction Manual

Canon RF 85mm F1.2 L USM DS manual cover
Pages 16
Year 2019
Language(s)
English en

Canon RF 85mm F1.2 L USM DS Specification

The Canon RF 85mm F1.2 L USM DS Lens is a high-performance prime lens designed for Canon's full-frame mirrorless cameras. Known for its superior optical quality, it is ideal for portrait photographers seeking exceptional background blur and sharpness. The lens features an ultra-fast maximum aperture of f/1.2, enabling impressive low-light performance and depth of field control. The Defocus Smoothing (DS) coating enhances bokeh quality, providing creamy, beautifully smooth backgrounds that enhance subject isolation.

The lens construction includes 13 elements in 9 groups, incorporating Blue Spectrum Refractive (BR) optics to minimize chromatic aberration and enhance clarity. It also utilizes an Air Sphere Coating (ASC) to reduce ghosting and flare, ensuring high-contrast images even in challenging lighting conditions. The RF 85mm F1.2 L USM DS employs Canon’s Ring-Type Ultrasonic Motor (USM) for fast, precise, and quiet autofocus, with full-time manual focus override for more control.

Weighing approximately 1195 grams and measuring 103.2 x 117.3 mm, it is robust yet manageable, featuring weather sealing for protection against dust and moisture, which makes it suitable for various shooting environments. The lens is equipped with a customizable control ring, allowing photographers to adjust settings such as aperture, ISO, or exposure compensation directly from the lens. With a minimum focusing distance of 0.85 meters and a maximum magnification of 0.12x, it offers versatility for capturing close-up details. The Canon RF 85mm F1.2 L USM DS Lens stands out for its combination of cutting-edge technology and exceptional design, making it a preferred choice for professionals seeking excellent image quality and artistic expression.

Canon RF 85mm F1.2 L USM DS F.A.Q.

How do I achieve the best bokeh effect with the Canon RF 85mm F1.2 L USM DS lens?

To achieve the best bokeh effect, use a wide aperture setting such as f/1.2. This will create a shallow depth of field, enhancing the separation between your subject and the background. Additionally, ensure there is ample distance between your subject and the background to maximize the bokeh effect.

What is the best way to clean the Canon RF 85mm F1.2 L USM DS lens?

To clean the lens, first use a blower to remove any dust particles. Then, use a microfiber cloth to gently wipe the lens surface in a circular motion. For stubborn smudges, apply a small amount of lens cleaning solution to the cloth (not directly on the lens) and clean carefully.

How can I troubleshoot autofocus issues with the Canon RF 85mm F1.2 L USM DS lens?

If you experience autofocus issues, check if the lens is properly mounted on the camera. Ensure that the camera firmware is up-to-date, and try resetting the camera settings. If the problem persists, test the lens on another camera body to determine if the issue is with the lens or the camera.

What is Defocus Smoothing (DS) and how does it affect my images?

Defocus Smoothing (DS) is a coating technology that enhances the bokeh quality by creating smoother transitions between in-focus and out-of-focus areas. It is particularly effective in portraits, providing a more pleasing and artistic background blur.

Can I use the Canon RF 85mm F1.2 L USM DS lens for video recording?

Yes, the Canon RF 85mm F1.2 L USM DS lens can be used for video recording. Its wide aperture and smooth bokeh make it ideal for cinematic shots, particularly in low-light conditions. However, be mindful of the shallow depth of field when shooting video at f/1.2, as focusing can be challenging.

How do I update the firmware for the Canon RF 85mm F1.2 L USM DS lens?

To update the firmware, first download the latest firmware from Canon's official website. Transfer the firmware file to a formatted memory card. Insert the card into your camera, navigate to the firmware update option in the menu, and follow the on-screen instructions to complete the update.

What maintenance is required for the Canon RF 85mm F1.2 L USM DS lens?

Regular maintenance includes cleaning the lens elements and contacts, storing the lens in a dry and dust-free environment, and periodically checking for firmware updates. It's also advisable to have the lens professionally serviced every few years to ensure optimal performance.

Can I use filters with the Canon RF 85mm F1.2 L USM DS lens, and if so, what size?

Yes, you can use filters with the Canon RF 85mm F1.2 L USM DS lens. The filter thread size for this lens is 82mm, so ensure that any filters you purchase are compatible with this size.

Is image stabilization available in the Canon RF 85mm F1.2 L USM DS lens?

No, the Canon RF 85mm F1.2 L USM DS lens does not have built-in image stabilization. To minimize camera shake, consider using a tripod or enabling in-body stabilization if your camera supports it.

What is the difference between the Canon RF 85mm F1.2 L USM DS and the non-DS version?

The primary difference is the Defocus Smoothing (DS) coating found on the DS version, which enhances bokeh quality. The DS version is also slightly heavier and more expensive due to this feature. Both lenses share similar optical performance and build quality.