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The Sigma AF 17-40mm F1.8 DC Art Lens is designed for Canon RF mount users who demand exceptional optical performance and creative flexibility. With its wide focal range and fast aperture, this lens is ideal for photographers and videographers seeking versatility in low-light and dynamic shooting environments.
Crafted under Sigma’s renowned Art series standards, the lens features a robust construction with premium materials. Its ergonomic design ensures comfortable handling, while the Canon RF mount integration provides seamless compatibility with modern mirrorless systems.
The standout feature of this lens is its constant F1.8 aperture across the zoom range, offering superior brightness and depth-of-field control. The optical design minimizes distortion and chromatic aberrations, delivering sharp, high-contrast images from edge to edge. This makes it suitable for landscapes, architecture, portraits, and creative wide-angle compositions.
Covering focal lengths from 17mm to 40mm, the lens adapts to a wide range of scenarios. At 17mm, it excels in capturing expansive scenes, while at 40mm, it provides a natural perspective for portraits and everyday photography. Videographers benefit from smooth focus transitions and consistent exposure, enhancing cinematic production quality.
The Sigma AF 17-40mm F1.8 DC Art Lens (Canon RF) is a groundbreaking addition to the Art series lineup. Its combination of wide focal range, constant F1.8 aperture, and professional-grade optics makes it a powerful tool for creative expression. Whether shooting stills or video, this lens delivers outstanding performance, making it a valuable investment for serious Canon RF users.
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Thank you for choosing Keymra Photo. We are dedicated to delivering your premium photography, cinematography, and imaging equipment safely, while providing industry-leading protections to safeguard your investment.
Below are the terms and conditions that govern our domestic logistics network and our comprehensive multi-year warranty program.
1. Our Courier Network
To ensure that your valuable equipment arrives securely and in perfect condition, we partner exclusively with Canada’s leading and most reliable shipping carriers. All Canadian orders are shipped using trackable, insured services via:
Carriers are dynamically optimized at checkout based on your delivery address, package dimensions, and regional transit reliability.
2. Processing & Delivery Timelines
3. Shipping Security & Transit Risk
All eligible high-end optical and imaging products purchased through our store are backed by a structured, multi-year warranty program to protect your gear from internal mechanical or electronic non-conformities.
1. Warranty Coverage Tiers
|
Equipment Classification / Brands |
Warranty Term |
Scope of Protection |
|
Digital Cameras, Mirrorless Bodies & Camcorders |
2 Years from delivery date |
Internal electronics, image sensors, processors, and mechanical shutter builds. |
|
Standard System Lenses (Sony, Canon, Nikon, etc.) |
2 Years from delivery date |
Autofocus linear motors, internal optical groups, and built-in stabilization (OSS/IS). |
|
Sigma Optics & Tamron Premium Lenses |
5 Years from delivery date |
Extended factory defect protection and internal optomechanical assembly alignments. |
2. Localized Claims Management
All technical diagnostics, parts replacements, and official repairs are managed locally by Keymra Photo. You do not have to worry about complicated manufacturer workflows or cross-border processing bottlenecks.
3. Our Two-Way Shipping Promise
We believe you shouldn't face hidden expenses due to a factory defect.
Warranty Exclusions Notice:
This warranty strictly covers organic manufacturing defects or internal component malfunctions under normal operational conditions. It explicitly excludes damage caused by accidental impacts or drops, moisture/liquid submersion, sand or dust intrusion, unauthorised firmware alterations, or standard external cosmetic wear and tear.
Contact Our Support & Service Team
If you need to check on a shipment, register your equipment, or file a warranty diagnostic claim, our Canadian team is available Monday to Friday, 10:00 AM to 6:00 PM EST.
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