Canon RF 1.4x Extender
SKU: 42570360102

Canon RF 1.4x Extender

Sale price$185.85 Regular price$206.50
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Description

Canon RF 1.4x ExtenderCanon RF 1. 4x Extender Overview: The Canon RF 1. 4x Extender is a high performance teleconverter designed to enhance the versatility of Canon RF mount lenses. By increasing the effective focal length of compatible lenses by 1. 4 times, this extender allows photographers to capture distant subjects with greater detail and reach. Ideal for wildlife, sports, and long distance photography, the RF 1. 4x Extender maintains optical quality while providing

Canon RF 1.4x Extender

Overview:

The Canon RF 1.4x Extender is a high-performance teleconverter designed to enhance the versatility of Canon RF-mount lenses. By increasing the effective focal length of compatible lenses by 1.4 times, this extender allows photographers to capture distant subjects with greater detail and reach. Ideal for wildlife, sports, and long-distance photography, the RF 1.4x Extender maintains optical quality while providing the additional zoom needed for various shooting scenarios.

Detailed Key Features:

  • 1.4x Magnification: The extender increases the focal length of your Canon RF lens by 1.4 times. For example, a 100mm lens effectively becomes a 140mm lens, allowing for greater magnification and detailed shots of distant subjects.

  • High Optical Quality: Canon's RF 1.4x Extender is engineered with advanced optical elements to ensure minimal impact on image quality. It maintains sharpness, contrast, and color fidelity, providing clear and crisp images even at extended focal lengths.

  • Compatibility: The RF 1.4x Extender is specifically designed for use with Canon RF-mount lenses. It is compatible with a range of RF lenses, particularly those with a maximum aperture of f/2.8 or larger. Always check compatibility with your specific lens before use.

  • Dust and Water Resistance: The extender features a robust build with dust and water resistance, ensuring reliable performance in challenging shooting conditions. This durability is essential for outdoor photography and harsh environments.

  • Enhanced Autofocus Performance: When paired with compatible RF lenses, the extender maintains fast and accurate autofocus performance. The optical design supports efficient communication between the lens and camera body, ensuring that autofocus systems function optimally.

  • Convenient Design: The RF 1.4x Extender has a compact and lightweight design, making it easy to carry and handle. It features a locking mechanism for secure attachment and removal, ensuring a stable connection with the lens.

  • Electromagnetic Diaphragm Control: The extender is designed with electromagnetic diaphragm control, allowing for precise and consistent aperture adjustments. This feature contributes to reliable exposure control and consistent image quality.

Summary:

The Canon RF 1.4x Extender is a valuable accessory for photographers seeking to extend the reach of their RF-mount lenses. With its 1.4x magnification, high optical quality, and compatibility with Canon RF lenses, it enhances your ability to capture detailed and distant subjects. The extender's dust and water resistance, combined with efficient autofocus performance, make it suitable for various shooting conditions. Its compact design and precise diaphragm control further contribute to its usability and performance. Whether you're photographing wildlife, sports, or any distant subject, the RF 1.4x Extender provides the additional zoom needed while maintaining exceptional image quality.

Shipping Notes
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SKU: 42570360102

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Rose of Washington Square
New York, US
★★★★★ 5
Helpful for my requirements
Size: 60 Count (Pack of 1)
Easy to swallow
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Reviewed in the United States on March 10, 2026
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Jackie and Art
Louisville, US
★★★★★ 5
Superior product
typically take Vitamin D in large amounts to get enhanced benefits for bone strength and immune strength. this formulation includes vitamin K which enhances the absorption of calcium in your system. These are high strength capsules with 5000 units of D in a small and easy to swallow capsule. As with any vitamin product it takes some time for the benefits to be felt however with these products they seem to have better effectiveness than my previous brand and I find myself not having to take as much to get the full benefit. The price is good for a premium product and the developers seem to have put a lot of thought into the formulation.
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Reviewed in the United States on May 12, 2020
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Ron
Draper, US
★★★★★ 4
Dentist recomended
So i ordered this a while back but i wanted to use up my last bottle of D3 vitamin. I have used this smarter nutrition brand for just under a week, so it is a bit difficult to say whether this product is any better than any other brand. But so far so good. I have no problems swallowing these pills nor any digestive problems whatsoever or any after taste. AS far as a D3 supplement, you really feel no difference and i bring this up because i am being truly honest about this product. I started taking vitamin D3 products because my dentist, who is also a nutrionist, advised me to take this supplent for stronger bones. Also to be honest, I am 67 years young and i need all the help i can get..LOL. I take many other nutritional products and this brand of Smart seems to have everything i need for a daily regimen. So No need to buy supplements from more than 1 supplier. And, yes i guess i would recommend this brand to others who like to buy what they need from 1 supplier.
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Reviewed in the United States on October 29, 2019
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David M.
Houston, US
★★★★★ 5
Good Clean Source of Vitamin D3 and K2
Size: 60 Count (Pack of 3)
I have tried several vitamin D products, some of which offered limited absorbency, so I like this product, which appears to offer better absorbency. Disclaimer: I have not followed up with testing my vitamin D levels, since I started taking this product, but I do feel more healthy, with fewer and more minor upper respiratory infections, and no flu, so far, and this product may be contributing to this. Several things I like about this product: 1) This product's D3 comes from a plant-type algae called lichen, which is a far superior source of vitamin D3, compared to lanolin, which is sourced from sheep, and used in the majority of vitamin D products on the market. 2) This supplement also includes two forms of vitamin K2 (MK-4 and MK-7). Vitamin K2 is critical in moving the body's calcium out of the soft tissues and into the bones and teeth. if you're taking Vitamin D, it's absolutely critical to also take vitamin K2. As mentioned, this supplement includes two forms of vitamin K2, which is not found in most of the other vitamin D supplements on the market. Both forms are important, so it's great that this product includes both. 3) This is a very clean product, with no harmful or inflammatory fillers. I give this product my top rating. I use this product daily, along with taking vitamin C.
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Reviewed in the United States on March 9, 2020
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Lisa E.
Cuba, US
★★★★★ 5
used to pull calcium to the bones
Size: 60 Count (Pack of 3)
Great product, I highly recommend it
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Reviewed in the United States on September 4, 2025

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