Canon RF 85mm f/1.2L USM DS Lens

The Canon RF 85mm f/1.2L USM DS is a specialized professional portrait lens that combines exceptional in-focus sharpness with Canon’s exclusive Defocus Smoothing technology.

Its specially applied DS coatings gradually soften the edges of out-of-focus highlights, producing exceptionally smooth background rendering while preserving crisp detail at the point of focus. This distinctive combination makes the lens ideal for high-end portrait, wedding, fashion, beauty, editorial, and fine-art photography.

✨ Key Benefits

• Canon-exclusive Defocus Smoothing coatings

• Exceptionally soft out-of-focus highlights

• Ultra-bright f/1.2 maximum aperture

• Flattering 85mm portrait perspective

• Professional Canon L-series optical quality

• Blue Spectrum Refractive optical element

• One UD and one aspherical element

• Fast Ring-type USM autofocus

• Nine-blade circular aperture

• Air Sphere Coating

• Customizable RF control ring

• Dust- and moisture-resistant construction

• Fluorine-coated front and rear elements

• Compatible with most full-frame and APS-C EOS R cameras

🌸 Canon Defocus Smoothing Technology

The defining feature of this lens is Canon’s Defocus Smoothing coating.

Special vapor-deposited coatings are applied to two optical surfaces. These coatings gradually reduce light transmission toward the outer portion of the lens elements, softening the edges of out-of-focus highlights.

The result is:

• Softer bokeh-disc edges

• Smoother overlapping highlights

• More gradual background transitions

• Reduced hard outlining around defocused lights

• Exceptionally gentle foreground blur

• Enhanced separation between subject and background

The lens remains sharp at the point of focus. It is not a soft-focus lens and does not intentionally reduce detail in the subject.

💡 Where the DS Effect Is Most Visible

Defocus Smoothing is most noticeable when:

• The lens is used near f/1.2

• Distinct point-light sources appear in the background

• The background contains foliage or fine repeating detail

• The subject is relatively close to the camera

• The background is sufficiently far behind the subject

• Foreground objects are intentionally defocused

The effect gradually decreases as the aperture is stopped down and becomes much less apparent at smaller aperture settings.

👤 A Specialized Portrait Perspective

The 85mm focal length provides flattering perspective and comfortable working distance for portraits on a full-frame camera.

It is especially well suited to:

• Professional portraiture

• Bridal portraits

• Engagement sessions

• Fashion and beauty

• Senior and graduation portraits

• Fine-art photography

• Editorial assignments

• Commercial campaigns

• Cinematic close-ups

The lens can isolate a subject strongly without requiring the photographer to work extremely close.

🌙 f/1.2 Aperture and Light Transmission

The physical aperture opens to f/1.2, providing extremely shallow depth of field and strong subject separation.

However, the Defocus Smoothing coatings intentionally reduce light transmission. At f/1.2, the lens transmits approximately the amount of light associated with T2.2.

This means:

• Depth of field remains that of an f/1.2 lens

• Background separation remains exceptionally strong

• Exposure may require a slower shutter speed or higher ISO than the standard RF 85mm f/1.2L

• The standard version is better when maximum light transmission is essential

Canon EOS R-series cameras meter through the lens and normally compensate for the reduced transmission automatically.

🌸 Nine-Blade Circular Aperture

A nine-blade circular diaphragm works together with the DS coatings to create exceptionally smooth out-of-focus areas.

The aperture design helps maintain rounded highlights, while the DS coatings soften their outer edges. This produces a rendering style that is difficult to duplicate with software-based blur.

🔬 Blue Spectrum Refractive Optics

A Blue Spectrum Refractive optical element helps correct blue light and significantly reduce longitudinal chromatic aberration.

This is particularly important in high-contrast portrait scenes where colour fringing may otherwise appear around:

• Hair

• Jewellery

• Reflective fabrics

• Backlit clothing

• Eyes and eyelashes

• Specular highlights

The result is clean subject detail that contrasts beautifully against the smooth background.

🎯 Ring-Type USM Autofocus

A powerful Ring-type Ultrasonic Motor provides accurate autofocus despite the substantial size of the internal optical elements.

The focusing system works with compatible Canon face- and eye-detection modes to place focus precisely on the subject.

Full-time manual focusing allows fine adjustment without first changing the camera or lens to manual focus mode.

🔬 Professional L-Series Optical Design

The lens contains 13 elements arranged in nine groups, including:

• One Blue Spectrum Refractive element

• One Ultra-low Dispersion element

• One ground aspherical element

• Defocus Smoothing coatings on two optical surfaces

These technologies help control:

• Chromatic aberration

• Colour fringing

• Spherical aberration

• Coma

• Distortion

• Loss of edge sharpness

• Harsh out-of-focus highlight edges

☀️ Advanced Lens Coatings

Canon’s Air Sphere Coating helps reduce flare and ghosting caused by internal reflections.

Super Spectra Coating supports accurate colour reproduction and strong contrast in challenging light.

The coatings are beneficial when photographing:

• Backlit portraits

• Wedding lights

• City scenes at night

• Sunset sessions

• Studio lighting

• Reflective fashion and jewellery

🔍 Focusing Distance

The lens focuses as close as approximately 0.85 metre, or 2.79 feet, and provides a maximum magnification of approximately 0.12x.

This is suitable for:

• Tight headshots

• Beauty portraits

• Wedding details

• Fashion accessories

• Jewellery

• Hands

• Commercial detail photography

The lens is designed primarily for portraiture rather than macro photography.

🎛️ Customizable Control Ring

The RF control ring can be assigned to commonly used camera settings, including:

• Aperture

• Shutter speed

• ISO

• Exposure compensation

Assigning exposure compensation can be especially useful when working quickly with changing portrait lighting.

🌦️ Professional L-Series Construction

Dust- and moisture-resistant construction helps protect the lens during professional assignments.

Fluorine coatings on the front and rear elements help resist:

• Fingerprints

• Moisture

• Oil

• Dust

• Dirt

Complete protection from water or dust is not guaranteed, and suitable covers should be used in severe weather.

🛡️ Image Stabilization Considerations

The RF 85mm f/1.2L USM DS does not include optical image stabilization.

Compatible cameras with in-body image stabilization can help reduce camera movement at the sensor. A tripod or monopod may also be helpful because the DS coating reduces light transmission at wide aperture settings.

⚖️ Size and Handling

The lens weighs approximately 1,195 grams, or 2.63 pounds.

For comfortable operation:

• Support the lens with the left hand

• Use a strong camera strap or harness

• Consider a monopod for extended sessions

• Transport the lens in a padded case

Its substantial construction reflects its large-aperture optics and professional build quality.

⚠️ Camera Compatibility

The RF 85mm f/1.2L USM DS is compatible with many full-frame and APS-C EOS R-series cameras. However, it is not compatible with the Canon EOS R100.

Compatibility should be confirmed for the intended camera body before purchase, particularly with entry-level or specialized EOS R models.

🎥 Video Applications

The lens can produce highly cinematic close-ups with exceptional background softness.

It is useful for:

• Beauty footage

• Music videos

• Wedding films

• Narrative close-ups

• Fashion productions

• Commercial imagery

The RF 85mm f/1.4L VCM is generally the more practical choice for filmmakers who need lower weight, minimal focus breathing, an iris ring, and matched hybrid controls.

📐 Performance on APS-C Cameras

On a compatible APS-C EOS R camera, the lens provides a field of view equivalent to approximately 136mm on full frame.

This tighter perspective is useful for:

• Headshots

• Beauty photography

• Stage performances

• Isolated detail shots

• Outdoor portraits with significant working distance

The EOS R100 is excluded because it is not compatible with the DS lens.

📋 Key Specifications

Specification	Details
Mount	Canon RF
Format compatibility	Full-frame and compatible APS-C
Focal length	85mm
APS-C equivalent	Approximately 136mm
Maximum aperture	f/1.2
Wide-open transmission	Approximately T2.2
Minimum aperture	f/16
Optical construction	13 elements in 9 groups
Special optics	1 BR, 1 UD, and 1 aspherical element
Special coating	Defocus Smoothing on 2 surfaces
Aperture blades	9, circular
Minimum focusing distance	0.85m / approximately 2.79 ft.
Maximum magnification	0.12x
Autofocus system	Ring-type USM
Full-time manual focus	Yes
Optical image stabilization	No
Filter size	82mm
Maximum diameter	Approximately 103.2mm
Length	Approximately 117.3mm
Weight	Approximately 1,195g / 2.63 lb.
Dust- and moisture resistance	Yes
EOS R100 compatibility	No

👤 Ideal For

The Canon RF 85mm f/1.2L USM DS is an excellent choice for:

• High-end portrait photographers

• Bridal and wedding portrait specialists

• Fashion and beauty photographers

• Fine-art photographers

• Commercial portrait studios

• Editorial photographers

• Professionals who prioritize bokeh quality

• Photographers working with decorative background lighting

• Artists seeking a distinctive optical rendering

• Studios producing large prints and premium portrait products

⚖️ Comparing Similar Canon RF Lenses

Versus the RF 85mm f/1.2L USM

The two lenses share the same focal length, aperture, autofocus system, core optical design, dimensions, and weight.

The DS version produces softer-edged out-of-focus highlights and smoother overlapping background details. The standard version transmits substantially more light and is better suited to dim ceremonies, receptions, concerts, and available-light events.

Choose the DS version for specialized portrait rendering. Choose the standard version for maximum versatility and low-light performance.

Versus the RF 85mm f/1.4L VCM

The RF 85mm f/1.4L VCM is approximately half the weight and adds minimal focus breathing, an iris ring, a lens function button, and hybrid video controls.

The DS lens offers a brighter physical aperture and uniquely smooth Defocus Smoothing rendering.

Choose the f/1.4L VCM for hybrid production and mobility. Choose the DS lens for its specialized portrait aesthetic.

Versus the RF 85mm f/2 Macro IS STM

The RF 85mm f/2 is much smaller, lighter, and more accessible. It includes optical image stabilization and 0.5x close-up capability.

The DS lens provides professional L-series construction, a much wider aperture, more advanced autofocus, and uniquely smooth background rendering.

Versus the RF 50mm f/1.2L USM

The 50mm provides a more natural perspective and includes more of the environment.

The 85mm DS provides stronger compression and smoother background isolation, making it the more specialized portrait choice.

Versus the RF 135mm f/1.8L IS USM

The RF 135mm offers stronger compression, greater working distance, and built-in optical stabilization.

The 85mm DS is easier to use in smaller spaces and offers Canon’s unique Defocus Smoothing effect.

📦 In the Box

• Canon RF 85mm f/1.2L USM DS Lens

• Canon E-82 II Lens Cap

• Canon RF Lens Dust Cap

• Canon ET-89 Lens Hood

• Canon LP1424 Lens Case

• Manufacturer documentation

🧳 Suggested Kits and Accessories

Fine-Art Portrait Kit

• High-resolution Canon EOS R-series camera

• RF 85mm f/1.2L USM DS

• 82mm protective filter

• Studio strobe and large modifier

• Reflector

• Sturdy tripod

Bridal Portrait Kit

• Compatible full-frame EOS R-series camera

• RF 85mm f/1.2L USM DS

• RF 35mm or 50mm companion lens

• Portable flash

• Reflector and diffusion panel

• Supportive camera harness

Outdoor Portrait Kit

• Compatible Canon EOS R camera

• RF 85mm f/1.2L USM DS

• 82mm neutral-density filter

• Portable strobe

• Light stand and softbox

• Monopod

Beauty and Fashion Kit

• High-resolution Canon EOS R-series camera

• RF 85mm f/1.2L USM DS

• Studio lighting

• Colour reference target

• Tethering cable

• Professional lens support

🏪 Why Buy from Cameragraphics?

Cameragraphics is an authorized Canon dealer serving Auburn and the surrounding community since 1974. Our professional photographers can explain the important differences between Canon’s standard and Defocus Smoothing 85mm f/1.2L lenses and help confirm compatibility with your EOS R-series camera.

Shop with Cameragraphics for genuine Canon equipment, knowledgeable local guidance, and support from photographers who understand professional portrait photography.