Canon RF 20-50mm F4L IS USM PZ vs Canon RF 20mm F1.4 L VCM
Better figure, where one is clearly better
| CanonRF 20-50mm F4L IS USM PZ | CanonRF 20mm F1.4 L VCM | |
|---|---|---|
| Overview | ||
| Released | June 2026 | April 2025 |
| Optics | ||
| Lens type | Zoom | Prime |
| Focal length | 20–50 mm | 20 mm |
| Maximum aperture | f/4 | f/1.4 |
| Minimum aperture | f/22 | f/16 |
| Optical construction | 13 elements in 11 groups | Fifteen elements in eleven groups |
| Special elements | Two glass-moulded aspherical and three UD elements | One Super UD, two UD, one BR and two glass-moulded aspherical elements; ASC, SWC and Super Spectra coatings; front fluorine coating |
| Coatings | ASC and Super Spectra; fluorine coating on the front element | – |
| Aperture detail | Constant maximum f/4, minimum f/22 throughout the range | – |
| Diaphragm | Nine aperture blades | Eleven blades with circular aperture |
| Angle of view | Horizontal 84°–40°, vertical 62°–27° and diagonal 94°–46° on full frame | – |
| Mount and compatibility | ||
| Mounts | Canon RF | Canon RF |
| Image circle | Full frame | Full frame |
| Compatibility | Canon EOS R cameras; full-frame image circle; power-zoom control from camera body or remote devices depends on compatible model and firmware | Canon RF mount for full-frame and APS-C EOS R cameras; RF extenders not compatible. Iris ring provides movie aperture control; Canon lists EOS R, RP, Ra, R3, R5, R6, R6 Mark II, R7, R8, R10, R50, R100 and R5 C as unable to set still-photo aperture with this ring even with their latest firmware |
| Teleconverter support | Canon RF extenders not compatible | – |
| Focus and stabilisation | ||
| Autofocus | Yes | Yes |
| Minimum focus distance | 0.24 m | 0.2 m |
| Maximum magnification | 0.33× | 0.19× |
| Optical stabilisation | Yes | No |
| Autofocus detail | Nano USM autofocus; full-time manual focus; maker rear-focus design retains length during focusing | Rear focusing system driven by a VCM motor |
| Focus distance detail | – | Minimum focus 0.2 m |
| Magnification detail | Maker maximum magnification 0.14× at 20 mm or 0.33× at 50 mm; no AF/MF mode specified in the table | Maximum 0.19× |
| Stabilisation detail | Maker six-stop optical IS or combined camera/lens eight stops at centre and corners under CIPA-2024, at maximum focal length with its specified camera; not guaranteed in every shooting setup | No optical stabiliser; Canon rates EOS R1 in-body stabilisation at 8 stops centrally and 5 stops in the corners under CIPA-2024 testing |
| Video features | Internal multi-speed power zoom and optically suppressed focus breathing; zoom ring switches between powered and conventional manual operation | – |
| Design | ||
| Dust and moisture resistant | Yes | Yes |
| Filter diameter | 67 mm | 67 mm |
| Maximum diameter | 79.9 mm | 76.5 mm |
| Length | 98.4 mm | 99.3 mm |
| Weight | 420 g (better) | 519 g |
| Controls | Customisable control ring, focus ring and zoom ring; PZ/MZ selector, custom button, AF/MF and stabiliser switches (Digital Camera World; ePHOTOzine) | Electronic manual-focus, customisable control and smooth-action iris rings; iris Auto-position lock; customisable lens function button; AF/MF switch |
| Zoom design | Internal zoom/focus keeps barrel length fixed; ePHOTOzine describes conventional mechanical manual zoom, while Digital Camera World's prose calls it fly-by-wire; no silent choice between those reviewer descriptions | – |
| Filter detail | 67 mm front screw-in filter thread | 67 mm front thread and rear filter holder; Canon specifies a single rear filter no thicker than 0.2 mm and recommends removing the holder when unused to avoid possible ghosting |
| Weather resistance | Dust and moisture resistant with mount gasket; maker warns camera attachment is required and protection cannot prevent all dust or water ingress; no waterproof/IP rating inferred | Dust and moisture resistant construction with mount rubber seal |
| Dimensions detail | Approximately 79.9 mm maximum diameter × 98.4 mm length | Approximately 76.5 mm maximum diameter × 99.3 mm length |
| Weight detail | Approximately 420 g lens | Approximately 519 g lens |
| Lens hood | ES-73B; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories | EW-73H hood included |
| In the box | – | Lens, E-67 II front cap, RF dust cap, EW-73H hood, LP1219 case, rear filter holder and user manual |
| Release detail | Canon Japan's 11 June 2026 notice confirms first sale from 26 June 2026, resolving the earlier late-June launch wording | April 2025 marketed month in Canon Camera Museum |
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