sigma
17-40mm F1.8 DC
A constant f/1.8 standard zoom
Focal length17-40mm26-60mm equiv.
Max apertureF1.8
Weight560g
Price—
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Manufacturer information
Specifications
Basics
- Brand
- Sigma
- Mount
- Canon RF
- Format
- APS-C
- Type
- Zoom
- Angle of view
- Standard
- First-party
- No
- Released
- 2025
Optics
- Focal length (wide)
- 17mm
- Focal length (tele)
- 40mm
- Max aperture (wide)
- F1.8
- Max aperture (tele)
- F1.8
Size
- Weight
- 560g
- Length
- 115.9mm
- Diameter
- 72.9mm
- Filter size
- 67mm
Features
- Stabilization
- No
- Weather sealing
- Yes
- Macro
- No
- Autofocus
- Yes
Specifications are based on figures published by the manufacturer and are not guaranteed to be accurate. Check with the manufacturer and the retailer before buying.
Similar focal lengths on the RF mount
Commonly compared with
- Compare 17-40mm F1.8 DC with RF24-105mm F4 L IS USM24-105mm / F4
- Compare 17-40mm F1.8 DC with RF24-240mm F4-6.3 IS USM24-240mm / F4-6.3
- Compare 17-40mm F1.8 DC with RF28-70mm F2.8 IS STM28-70mm / F2.8
- Compare 17-40mm F1.8 DC with 17-70mm F/2.8 Di III-A VC RXD17-70mm / F2.8
- Compare 17-40mm F1.8 DC with 18-50mm F2.8 DC DN18-50mm / F2.8
- Compare 17-40mm F1.8 DC with RF24-50mm F4.5-6.3 IS STM24-50mm / F4.5-6.3
- Compare 17-40mm F1.8 DC with 30mm F1.4 DC DN30mm / F1.4