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Canon 20-50mm f/4 L IS USM PZ RF

Article number:

12575641

Canon 20-50mm f/4 L IS USM PZ RF

The Canon 20-50mm f/4 L IS USM PZ RF is an L-series lens featuring a powerful internal power zoom, making it an ideal choice for photographers and videographers looking for a versatile, high-quality lens.

With a focal length of 20-50mm, this is a highly versatile lens suited to a wide range of situations — from street photography to intimate portraits. The power zoom brings subjects into sharp focus with ease. Thanks to the internal power zoom, all movement happens within the lens itself, meaning the lens does not extend when zooming. This keeps the balance of the lens consistent and ensures the shooting experience remains the same throughout.

The f/4 aperture delivers pleasing background blur. The lens features 9 aperture blades, producing smooth, soft bokeh for cinematic imagery. The constant maximum aperture across the entire zoom range guarantees consistent exposure regardless of how you shoot. The light transmission keeps shutter speeds short, preventing motion blur, while the depth of field remains large enough to capture both your subject and part of the surroundings in sharp detail.

Optical quality is rooted in Canon's L-series heritage, with two GMo aspherical lens elements and three UD lens elements. This combination delivers sharp, detailed images with minimal flare, distortion, and focus breathing — all of which are important in video production for achieving a professional result with a steadier image during focusing. The lens's ASC and Super Spectra coatings further contribute to high contrast and colour fidelity. Reduced distortion and focus breathing are particularly valuable in video, as they keep the image stable during focusing and movement.

The lens is specifically designed for handheld content creation, thanks to its optical image stabilisation. It also features an ultrasonic autofocus motor that is fast and near-silent, making it barely audible during focusing. Together, these technologies make the lens a strong choice for vlogging, as well as more serious video productions.

The Canon 20-50mm f/4 L IS USM PZ RF weighs just 420g, making it convenient for travel, vlogging, handheld filming, or long shooting days. It measures 79.9 x 98.4mm and is dust- and splash-resistant. As part of Canon's L-series line-up, the build quality and finish are exactly what you'd expect. The lens features an RF mount and a 67mm filter thread.

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Features of the Canon 20-50mm f/4 L IS USM PZ RF

  • Canon power zoom lens
  • Compatible with RF lens mount
  • Focal length: 20-50mm
  • Minimum focusing distance: 0.24m
  • Maximum aperture: f/4
  • Minimum aperture: f/22
  • Aperture blades: 9
  • Soft bokeh
  • Optical IS image stabilisation
  • USM (Ultrasonic Motor) autofocus and focusing motor
  • Internal power zoom
  • Maximum magnification: x0.33
  • Dust and moisture resistant
  • Special lens elements: 2 GMo aspherical lens elements and 3 UD lens elements
  • Suitable for photography and video
  • Filter size: 67mm
  • Dimensions: 79.9 x 98.4 mm
  • Weight: 420g

In the Box

  • Canon RF 20-50mm F4L IS USM PZ lens
  • Lens cap E-67II
  • Lens cap RF
  • Lens hood EW-73H
  • Lens case LP1219
Dimensions & Weight
Length (mm) 98.4 mm
Weight (g) 420.0 g
Diameter (mm) 79.9 mm
General
Clickless aperture (cine)
Material & Protection
Weather-resistant
Focus & Stabilization
Image stabilisation
Autofocus
Focus breathing control
Focus motor USM
Internal focusing
Min. focusing distance (cm) 24.0 cm
Manual focus (MF)
Stabilization (stops) 6
Silent AF (video)
Included Accessories
Box
User manual
Construction & Coating
Coating ASC
Filter diameter (mm) 67.0 mm
Lens construction (elements/groups) 13 elements in 11 groups
Type lens hood EW-73H
Image
Focal length (max) (mm) 50.0 mm
Focal length (min) (mm) 20.0 mm
Constant aperture
Aperture blades (Units) 9.0 Units
Fast (f/2.8 or faster)
Max. aperture (f/) 4.0 f/
Min. aperture (f/) 22.0 f/
Optical zoom (x) 2.5 x
Maximum magnification (x) 0.33 x
Compatibility
Full Frame
Lens mount Canon RF
APS-C
Micro Four Thirds
Medium Format