N°101433 · Family detail
CanonCinema·CANON RF mount·2023
Canon RF 28mm F/2.8 STM
Specifications01
MountCANON RF
Focal length28mm
Max aperturef/2.8
TypeCinema · Wide · Prime
Release year2023
Weight120 g
Filter size55 mm
Physical length69.2 mm
Min focus distance0.23 m
Max magnification0.1701
Aperture blades7
Optical elements8
Groups6
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera
Lens hoodEW-55 - Screw-type round
TeleconvertersNot compatible
Sensor coverage43.3 mm
EraDigital era
Production statusIn production
Additional Info02
SpecialSTM
Category["Canon","Canon RF"]
Keywords["Canon","Prime","Wide"]
Lens TypeWide-angle prime lens
Review AuthorKlaus
Other FeaturesCombined Focus/Control ring
Review VerdictThe Canon RF 28mm f/2.8 STM is a pleasant surprise, especially in terms of sharpness. It may be a tiny lens, but optically it's a big boy and as sharp as a tack, even at f/2.8. We have seen only a few lenses with MTFs this high across the image field. Lateral CAs are low. Conversely, image distortions are on the high side in RAW files. However, we have seen much worse, and the issue is nicely auto-corrected anyway. The original vignetting is also high at f/2.8, but once again - this will be corrected unless you disable the feature. A wide-angle lens with a max aperture of f/2.8 has limited shallow depth-of-field capabilities, but in the right circumstances (at close focus distances), the out-of-focus blur is actually quite smooth. This is unusual for such a lens. Axial CAs can be visible at f/2.8, although this tends to be of lesser concern with such a lens. The lens struggles a bit with strong light sources, but the issue is primarily confined to the direct surroundings of the light. In terms of build quality, it is true to its price tag - which doesn't mean that it's bad. The lens barrel is made of good quality, slightly textured plastic based on a metal mount. The inner lens tube extends a little bit once the camera is switched on. It's a bit weird, and also somewhat annoying, that the inner barrel retracts automatically when trying to attach the lens cap while the camera is still on. Hopefully, Canon will fix this behavior via firmware. Weather sealing has not been implemented, as far as we could make out. The AF is only Okayishly fast and not noiseless either. It's not a big deal but worth mentioning. Overall, the Canon RF 28mm f/2.8 STM isn't just adorable for its tiny size; it's also extremely capable - within its scope. If you want to keep a low profile during shooting, it's almost a must-have. Therefore - "highly recommended!". If you'd like to support our work, please consider shopping for this or other lenses via one of the following partners: * Amazon US * Amazon Europe * B&H US * Adorama US * KEH US (used gear)
Review Published2023-07-23T05:37:45+00:00
Optical Construction8 elements in 6 groups including 3x PMo aspherical element
Field Notes02
Canon RF 28mm F2.8 STM is a standard prime lens for Canon RF-mount cameras, suitable for everyday wide-to-standard use and low-light at f/2.8. It uses STM for autofocus.
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Other Mounts03
No alternate mounts are indexed for this family yet.