Canon Extender RF1.4x Instruction Manual

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Year 2019

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Canon Extender RF1.4x Specification

The Canon Extender RF1.4x is a precision-engineered optical accessory designed to enhance the capabilities of compatible RF lenses, offering a 1.4x increase in focal length. This extender is crafted to meet the high-performance standards expected by professional photographers and advanced hobbyists. Constructed with a robust combination of high-quality materials, it ensures durability and reliable performance in various shooting conditions. The extender incorporates advanced optical elements that minimize chromatic aberrations and maintain image clarity and contrast. It features a sophisticated lens coating that reduces flare and ghosting, ensuring superior image quality even in challenging lighting situations.

The Extender RF1.4x seamlessly integrates with the Canon EOS R system, communicating effectively with the camera body and lens to deliver precise autofocus and image stabilization. Its weather-sealed design provides added protection against dust and moisture, making it suitable for outdoor use. The compact and lightweight construction of the extender ensures that it does not significantly increase the overall size and weight of the camera setup, allowing for greater portability and ease of use during extended shooting sessions.

Compatibility is key, and the Canon Extender RF1.4x is designed to work with select RF lenses, enhancing their versatility for wildlife, sports, and other telephoto applications. Its optical design preserves the lens's original performance attributes, ensuring that the extended focal length does not compromise image quality. The extender is an indispensable tool for photographers looking to extend their reach without sacrificing the integrity of their imagery. Overall, the Canon Extender RF1.4x is a valuable addition to any photographer's kit, offering extended functionality and superior optical performance in a compact package.

Canon Extender RF1.4x F.A.Q.

How do I attach the Canon Extender RF1.4x to my lens and camera body?

To attach the Canon Extender RF1.4x, first ensure that both the camera and lens are powered off. Align the red dot on the extender with the red dot on the lens mount, then twist clockwise until it clicks into place. Next, align the red dot on the camera body with the red dot on the extender and twist until securely locked.

What lenses are compatible with the Canon Extender RF1.4x?

The Canon Extender RF1.4x is compatible with select Canon RF lenses, primarily telephoto and super-telephoto lenses. It is important to check the specific lens compatibility on Canon's official website or the lens manual.

Can I use autofocus with the Canon Extender RF1.4x?

Yes, autofocus is supported with the Canon Extender RF1.4x on compatible lenses. However, autofocus performance may be slower, especially in low-light conditions, and the maximum aperture will be reduced by one stop.

How does the Canon Extender RF1.4x affect exposure settings?

When using the Canon Extender RF1.4x, the maximum aperture of the lens is reduced by one stop. This means that if your lens has a maximum aperture of f/2.8, it will become f/4.0 with the extender. Adjust your exposure settings accordingly.

What is the impact on image quality when using the Canon Extender RF1.4x?

The Canon Extender RF1.4x is designed to maintain high image quality, but there might be a slight reduction in sharpness and contrast. It's advisable to conduct test shots to adjust settings for optimal results.

How should I clean and maintain the Canon Extender RF1.4x?

To clean the Canon Extender RF1.4x, use a soft, lint-free cloth to gently wipe the exterior. For the optical surfaces, use a lens cleaning solution and a microfiber cloth. Avoid harsh chemicals, and store it in a cool, dry place when not in use.

Will the Canon Extender RF1.4x affect the image stabilization of my lens?

The Canon Extender RF1.4x is compatible with image stabilization features of supported lenses, but the effectiveness might be slightly reduced. It's recommended to test stabilization with the extender attached to understand its impact.

What precautions should I take when using the Canon Extender RF1.4x in adverse weather conditions?

The Canon Extender RF1.4x has weather-resistant sealing, but it's advisable to use additional protective measures such as rain covers to prevent moisture and dust ingress in extreme conditions.

How does the Canon Extender RF1.4x influence the focal length of my lens?

The Canon Extender RF1.4x increases the effective focal length of a compatible lens by 1.4 times. For example, a 100mm lens will function as a 140mm lens when the extender is used.

Can the Canon Extender RF1.4x be used with other extenders or teleconverters?

The Canon Extender RF1.4x is not recommended to be used in conjunction with other extenders or teleconverters, as this can lead to vignetting and a significant loss in image quality.