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The Viltrox EF 1.4x Extender is compatible with a wide range of Canon EF lenses, particularly those with a 100mm or longer fixed focal length. It is not recommended for lenses with focal lengths shorter than 60mm.
While the Viltrox EF 1.4x Extender maintains auto-focus functionality through its built-in metal contacts, some users may experience a slight reduction in auto-focus speed due to the increased focal length.
Yes, when using the Viltrox EF 1.4x Extender, the effective aperture of the lens is reduced by one stop. For instance, if you are using an f/2.8 lens, the effective aperture will become f/4 when the extender is attached.
Absolutely, the Viltrox EF 1.4x Extender is designed with high-quality optics suitable for both professional and enthusiast photographers who require extended reach without sacrificing image quality.
The extender is designed to maintain excellent image quality, with coated optical glass that helps preserve sharpness and contrast. However, as with any extender, there may be a minimal loss in image quality due to the increased focal length.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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1.4 times
Equal to the original lens
7glasses, 3 groups
Full auto focus
Multi-coated
Camera cover
Lens dust cover
Approx: 2.83 x 1.10" (72 x 28mm)
Approx: 6.70 oz (190g) (excluding cap)
6953400311143
For any questions about compatibility with this product, call us at 800-223-2500 or you can email us any time.
For photography enthusiasts and professionals looking to enhance their shooting capabilities, the Viltrox EF 1.4x Extender Teleconverter for Canon EF is an innovative and compact solution. Crafted with high-quality, coated optical glass, this teleconverter is designed to magnify the focal length of your existing Canon EF lenses by 1.4 times, effectively extending your reach without compromising on image clarity.
The Viltrox EF 1.4x Extender is engineered with precision optical design, ensuring that your images retain their sharpness and contrast. Its built-in metal contacts facilitate seamless auto-focus and enable accurate data transmission between the lens, teleconverter, and camera body, maintaining the essential communication for optimal functionality.
This durable teleconverter is particularly well-suited for lenses with a 100mm or longer fixed focal length, such as the 300mm f/2.8 lens, and it pairs exceptionally well with long lenses ranging from 200mm to 500mm. It's the perfect companion for lenses used in wildlife, sports, and portrait photography, where additional reach is paramount.
While the Viltrox EF 1.4x Extender is versatile and can be used with both fixed focus and telephoto lenses, it is not recommended for lenses with a focal length shorter than 60mm, as this may not yield the desired results.
By choosing the Viltrox EF 1.4x Extender Teleconverter, photographers can expand their lens capabilities, achieving closer focusing distances and a wider field of view. It's an affordable and high-quality choice for those looking to elevate their photographic work without the need for additional, costly lenses. Whether capturing distant wildlife or detailed action shots, this teleconverter is an essential tool for photographers aiming to bring their vision closer to reality.
Designed for use with: Canon EOS