- Email: support@venekto.com
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Canon RF 100-400mm f/5.6-8 IS USM Lens
Versatile Telephoto Zoom
Designed for Canon’s RF mount mirrorless cameras, this lens offers a sweeping focal range from 100mm to 400mm—ideal for wildlife, sports, and travel photography. Despite its super-telephoto reach, it remains remarkably compact and lightweight at just 635g.
Optical Excellence
The lens features 12 elements in 9 groups, including one UD (Ultra-low Dispersion) and one aspherical element. These precision components minimize chromatic aberrations and deliver crisp, high-contrast images across the zoom range.
Image Stabilization
With up to 6 stops of shake correction when paired with compatible EOS R cameras, the RF 100-400mm ensures steady shots even at full zoom. Canon’s Coordinated IS system blends in-lens and in-body stabilization for maximum clarity.
Nano USM Autofocus
The Nano USM motor delivers fast, silent, and precise autofocus—perfect for capturing fleeting moments in both stills and video. It excels in smooth focus transitions, making it a favorite for hybrid shooters.
Close-Up Capability
With a minimum focusing distance of 1.2 meters and a maximum magnification of 0.41x at 400mm, this lens surprises with its ability to capture detailed close-ups of small subjects like flowers or insects.
Travel-Friendly Design
Smaller than a standard tumbler and easy to pack, this lens is built for mobility. Whether you're trekking through forests or navigating urban landscapes, it won’t weigh you down.
Conclusion
The Canon RF 100-400mm f/5.6-8 IS USM is a masterclass in balance—delivering reach, clarity, and portability at an accessible price point. For photographers seeking a nimble telephoto companion without compromising on performance, this lens is a compelling choice.
Canon RF 100-400mm F/5.6-8 IS USM Camera Lens Specs
| Focal Length | 100 to 400mm |
| Maximum Aperture | f/5.6 to 8 |
| Minimum Aperture | f/32 to 45 |
| Lens Mount | Canon RF |
| Format Compatibility | Full-Frame |
| Angle of View | 24° to 6° 10' |
| Minimum Focus Distance | 2.9' / 88 cm |
| Maximum Magnification | 0.41x |
| Optical Design | 12 Elements in 9 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | Yes |
| Filter Size | 67 mm (Front) |
| Dimensions (ø x L) | 3.1 x 6.5" / 79.5 x 164.7 mm |
| Weight | 1.4 lb / 635 g |
Warranty Policy
Last Updated: February 25, 2026
This Warranty Policy outlines the coverage provided by Venekto INC. (“we,” “us,” or “our”) for products purchased through our website. We are committed to transparency and ensuring your purchase is protected under both our manufacturer standards and the laws of Manitoba, Canada.
1. Warranty Coverage & Period
Venekto INC. warrants that products will be free from defects in materials and workmanship under normal use. The warranty period begins on the date of delivery.
| Product Category | Warranty Period |
| Cameras, Camcorders, and Lenses | 2 Years |
| Accessories (Tripods, Bags, etc.) | 90 Days (Limited Warranty) |
Note for Manitoba Residents: In accordance with the Manitoba Consumer Protection Act, your purchase is also protected by statutory warranties. These ensure that the goods are of merchantable quality and fit for their intended purpose, regardless of the durations listed above.
2. Scope of Coverage
This warranty covers:
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Manufacturing defects in materials.
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Faulty workmanship under normal and intended use.
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Internal hardware malfunctions.
3. Exclusions (What is Not Covered)
This warranty does not apply to:
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Accidental Damage: Drops, impacts, or liquid/water damage.
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Environmental Damage: Damage caused by sand, extreme heat, or dust.
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Unauthorized Alterations: Repairs or modifications made by third parties not authorized by Venekto INC.
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Consumables: Normal wear and tear, including cosmetic scratches or battery degradation over time.
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Misuse: Use of the product outside of the provided instruction manual.
4. How to Make a Claim
To ensure a smooth process, please follow these steps:
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Initiate: Email us at support@venekto.com with your Order Number and "Warranty Claim" in the subject line.
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Documentation: Provide 2–3 clear photos or a short video demonstrating the defect.
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Authorization: We will provide a Return Merchandise Authorization (RMA) number. Do not ship items back without an RMA.
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Shipping: Venekto INC. is responsible for shipping costs to our service center.
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If the defect is confirmed under warranty, Venekto INC. will cover the shipping costs to return the repaired/replacement item to you.
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5. Remedies and Resolution
If a valid claim is received within the Warranty Period, Venekto INC. will:
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Repair the product using new parts; OR
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Replace the product with a new unit of equal value; OR
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Refund the purchase price if a repair or replacement is not feasible.
6. Governing Law
This Policy is governed by the laws of the Province of Manitoba and the federal laws of Canada. Nothing in this policy limits your rights under the Manitoba Consumer Protection Act.
7. Contact Us
Venekto INC.
Email: support@venekto.com
Response Time: We typically respond to warranty inquiries within 1 business day.
