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Black cylindrical lens barrel with silver mount ring

SIGMA

SIGMA 23mm f/1.4 DC DN Contemporary lens for Canon RF (348972)

SKU CH-XD04-CKTJ6

A 23mm f/1.4 prime for Canon RF with 13 elements in 10 groups, 9-blade diaphragm and 345 g weight

  • Lens focal length23 mm F1.4 DC DN RF mount
  • Lens mountCanon RF
  • Lens aperture1.4 f stop
  • Diameter3 in (7.62 cm)
  • Focus systemAuto Focus
  • Part type or number348972
  • Exceptional sharpness from 13 elements in 10 groups
  • Responsive autofocus captures fleeting moments precisely
  • Smooth background blur via 9-blade rounded diaphragm
  • Lightweight 345 g design suits travel and daily use
  • Compact 2.7 x 3.0 in profile fits easily in any bag

Sigma 23mm f/1.4 Contemporary Lens

This 23mm f/1.4 DC DN Contemporary lens mounts directly to Canon RF cameras. It serves photographers who want a wide prime with a bright aperture for low-light work and shallow depth of field. The optical formula uses 13 elements in 10 groups, including three SLD and two aspherical elements, to control aberrations across the frame.

Capacity and Headroom

The f/1.4 maximum aperture gathers ample light for indoor and evening shooting without pushing ISO excessively. Nine rounded diaphragm blades produce smooth background separation suited to portraits and detail isolation. Autofocus tracks moving subjects quickly, though the fixed 23mm focal length cannot zoom for tighter framing.

RF Mount Practical Limits

The lens covers the full-frame RF image circle while remaining compact at 2.7 by 3.0 inches and 345 grams. Electronic communication with RF bodies enables in-camera corrections and EXIF data transfer. Buyers needing telephoto reach or macro magnification will require additional optics.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $499.99
Cheaper than about 55% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSIGMA
Model name348972
Part number348972
Product typeZoom Lens
Product colorBlack
Part type or number348972
Audio & video
Lens focal length23 mm F1.4 DC DN RF mount
Lens mountCanon RF
Lens aperture1.4 f stop
Focus systemAuto Focus
Auto-focusAuto Focus
Size & build
Diameter3 in (7.62 cm)
Product dimensions9.1 in × 9.1 in × 9.1 in
Product weight345 g
Compatibility
Compatible withCanon RF

Questions about this item

Will the 23mm f/1.4 RF lens autofocus on my older Canon EOS R body?

Yes, the lens uses the Canon RF mount and its built-in autofocus motor works with all RF-mount cameras.

How can I confirm the 9-blade diaphragm is producing smooth bokeh at f/1.4?

Shoot a high-contrast scene wide open; the 9 rounded blades should render out-of-focus highlights as smooth circles.

Does the 348972 come with a hood and filters or must I buy them separately?

The box includes the lens, front and rear caps, and a lens pouch; a matching hood and any filters are sold separately.

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