Camera Lenses

Sigma 17-40mm f/1.8 DC Art Canon RF

Redefining Creative Possibilities for APS-C Mirrorless Cameras

Experience a new level of creative freedom with the Sigma 17-40mm F1.8 DC DN | Art—a revolutionary zoom lens that delivers prime-like image quality across the entire zoom range.

Full-Frame | f/2.8 to f/22 Aperture

Lightweight Wide-Angle Prime

5-Blade Iris | 10-Point Sun-Star Effect

Manual Focus Design | 5.5" Close Focus

122° FOV with Low Distortion

72mm Front Filter Thread

LIST OF FEATURES
● Stepping motor
● Water- and oil-repellent coating
● Aperture ring1
● Dust- and splash-resistant structure
● Mount Conversion Service available
● Every single lens undergoes Sigma’s proprietary MTF measuring system

APS-C format lens with f/3.5-6.3 to f/22-40 aperture range

29-480mm full-frame equivalent focal length

All-in-one wide-to-telephoto zoom design

Fast, quiet VXD linear autofocus motor

Maximum magnification ratio of 1:2

VC image stabilization for reduced camera shake

Durable, weather-sealed construction

Full-frame medium telephoto prime | f/4.5–f/32

Ultra-macro 1.5:1 maximum magnification

Minimum focus distance: 11.8"; working distance: 5.8"

Apochromatic (APO) optical design for reduced chromatic aberration

Autofocus available from 4.9' (select mounts)

Assignable lens function button for customizable controls

USB-C port and electronic contacts for firmware updates 

Full-frame format | f/4.5–f/32 aperture range

Ultra-macro medium telephoto prime lens

1.5:1 maximum magnification for true close-up detail

Minimum focusing distance of 11.8" with 5.8" working distance

Apochromatic optical design minimizes color fringing

Manual focus for precise control

Customizable Lens Function button for quick adjustments

USB-C port for easy firmware updates

Full-Frame | f/2.8-3.5 to f/22-29

Circular/Diagonal Fisheye Zoom, 190° AoV

Rear Drop-In Filter System

Leadscrew-Type STM Focus Motor

Custom Control Ring and Function Button

Inner Focus & Zoom, Low Focus Breathing

UD and Aspherical Elements

Super Spectra and ASC Coatings

Rounded 9-Blade Diaphragm

Weather-Sealed Design & Fluorine Coating

• Fast f/1.4 Prime
• Canon RF (APS-C)
• 24mm Full-Frame Equivalent
• Stepping Motor Auto Focus

Extension tubes are a perfect solution to allow ultra close focusing without sacrificing the optical properties of your lens. ProMaster Macro Automatic Extension Tubes are engineered for a precise fit and proper communications between your camera lens and body. The ProMaster 8805 Automatic Extension Tube Set for Canon EF & EF-S mount cameras includes two tubes that can be used individually or in combination to gain the right magnification for your particular need.

• EF Mount Lens/Full-Frame Format
• 96mm (35mm Equiv. on APS-C Format)
• Aperture Range: f/2.8 to f/22
• Magnification Range: 2.0x to 0.1x