Canon·CW ID: 1784391·MFR ID: 7023C002

RF 20mm f1.4 L VCM Lens

Name: Canon RF 20mm f1.4 L VCM Lens
Brand: Canon
SKU: 1784391
Price: 1899.0 USD
Availability: InStock

$1,899.00

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Brand Canon System Canon RF

The Canon RF 20mm f/1.4 L VCM is an ultra-wide L prime that stays compact: 500 g and 99 mm long, which is not what a 20mm f/1.4 usually weighs. UD and BR elements handle the color fringing that shows up at the edges of a wide fast lens, and ASC and SWC coatings keep flare down when a light source sits in the frame. It focuses to 20 cm, so a foreground object can dominate the frame while the background still reads.

For video the aperture ring de-clicks, which makes silent iris pulls possible mid-take, and focus breathing is kept low so a rack does not change your framing. A voice coil motor drives the rear group and a Nano USM the floating group, both quiet. It shares the 67mm filter thread and near-identical size and weight with the other RF L VCM primes, so filters and rig setups carry across the family. Two things to know: there is no optical IS, and Canon expects lens profile correction, which is automatic in camera and in most editing software. Get in touch if you want to compare it against the 24mm f/1.4 for your kind of work.

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Ultra-wide fast L prime for full-frame Canon RF-mount bodies
f/1.4 maximum aperture, stopping down to f/16
Manual aperture ring with de-click switch for silent iris pulls
Voice Coil Motor rear focus with Nano USM floating group
Well-controlled focus breathing for clean focus pulls
15 elements in 11 groups with UD and BR (Blue Spectrum Refractive Optics) elements
Air Sphere (ASC) and Subwavelength Structure (SWC) coatings
Rounded 11-blade diaphragm
Minimum focusing distance of 20 cm, 0.19x magnification
Customizable control ring, function button, and AF/MF switch
Weather-sealed L-series construction
67mm front filter thread plus a rear gel filter holder, approx. 500 g
No optical image stabilization; relies on in-body IS

Scope of Delivery:

Canon RF 20mm f/1.4 L VCM lens
Lens Hood EW-73H
Lens Cap E-67 II (front)
Lens Dust Cap RF (rear)
Rear filter holder
Soft Lens Case LP1219

Limited Warranty:

Canon USA covers this lens with a one-year limited warranty against defects in materials and workmanship, valid on product purchased through an authorized Canon USA dealer. Camera West is an authorized Canon dealer, so your lens is registered and supported by Canon directly.

General

Mount: Canon RF

Format Coverage: Full-frame

Lens Type: Ultra-wide fast L prime, hybrid stills and video

Image Stabilization: None in lens; use in-body IS

Weather Sealing: Sealed against dust and moisture

Manufacturer Part Number: 7023C002

Optical Design

Elements / Groups: 15 elements in 11 groups

Special Elements: Ultra-low dispersion (UD) and Blue Spectrum Refractive Optics (BR) elements

Coatings: Air Sphere (ASC) and Subwavelength Structure (SWC)

Note: Lens profile correction, in camera or in post, is recommended for optimal results

Focusing

Focus Motor: Voice Coil Motor (VCM) rear focus with Nano USM floating group

Minimum Focusing Distance: 20 cm (7.9 in.)

Maximum Magnification: 0.19x

Focus Breathing: Well controlled

Controls: AF/MF switch with full-time manual focus override

Aperture

Maximum Aperture: f/1.4

Minimum Aperture: f/16

Diaphragm Blades: 11, rounded

Aperture Ring: Manual, with a de-click switch

Other Controls: Customizable control ring and programmable function button

Dimensions

Filter Size: 67mm front; gel filter holder at the rear

Maximum Diameter x Length: Approx. 76.2 x 99.1 mm (3.0 x 3.9 in.)

Weight: Approx. 500 g (1.1 lbs.)

Learn More

Ultra Wide And Fast

20mm at f/1.4 is a hard combination to build small, and this one comes in at 76.2 x 99.1 mm and 500 g. The wide view exaggerates foreground and depth, which is why it suits interiors, architecture, and street work where you cannot back up. It is also a strong astro lens: f/1.4 lets you keep exposures short enough to hold points instead of trails.

Matched To The Rest Of The Family

Canon kept the hybrid L VCM primes to effectively the same dimensions, weight, and a shared 67mm front filter thread. Swapping from the 20mm to the 24mm or 35mm on a gimbal or in a matte box needs almost no rebalancing, and one set of filters covers all of them. There is also a rear holder for pre-cut gels when a front filter is impractical.

Video Controls Done Properly

The manual aperture ring has a de-click switch, so you can make silent iris pulls mid-take. Focus breathing is well controlled, and the two-motor system (Nano USM on the floating group, a voice coil motor on the rear group) is quiet and quick. There is a customizable control ring and a function button on top of the aperture ring, plus an AF/MF switch and full-time manual override. No optical IS, so stabilization comes from the body.

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