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Canon Extender RF2x Increase the focal length of select RF Series telephoto lenses by 2X

Item # 280RF2X

This compact, easy-to-attach extender doubles the focal range of select RF Series telephoto lenses.

This compact, easy-to-attach extender doubles the focal range of select RF Series telephoto lenses.

In stock
$599.00

About the Canon Extender RF2x

Kramer Crane

Extra reach without needing an extra lens

There are times when I want to photograph a far-away subject, like the surface of the moon, but don't have a lens long enough for the job. That's when an extender (sometimes known as a teleconverter) becomes quite handy.

Extra reach without needing an extra lens

There are times when I want to photograph a far-away subject, like the surface of the moon, but don't have a lens long enough for the job. That's when an extender (sometimes known as a teleconverter) becomes quite handy.

Canon Extender RF2x

This extender doubles your effective focal length when paired with a compatible RF Series telephoto lens.

If you shoot with Canon RF Series lenses, the Extender RF2x may well be worth considering for your kit. It lets you increase the effective focal length of select telephoto lenses by a factor of 2, giving you a closer-up look at far-away wildlife or distant landscapes.

How does it work?

This L Series-grade extender mounts between your camera body and compatible lenses, doubling the stated focal length. For example, when paired with the RF 600mm f/11 IS STM, you get an effective focal length of 1200mm.

Important note: adding this extender to your lens means you lose two full stops of incoming light. So in the case of the above-mentioned 600mm lens, the aperture goes from f/11 to f/22 — a fairly small lens opening that won't let in a ton of light. You'll want to keep this in mind when calculating your exposure.

Use a tripod for best results

I highly recommend mounting your camera to a sturdy tripod when using an extender with your telephoto lens. This reduces the lens shake that occurs with ultra-long focal lengths, allowing longer shutter speeds that let in more light.

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Product highlights:

  • increases the effective focal length of select Canon RF Series telephoto lenses by a factor of 2
  • compatible lenses include:
  • advanced optics and coatings keep images sharp
  • rugged dust- and water-resistant design
  • 9 elements in 5 groups
  • reduces incoming light by two full stops
  • diameter: 2-7/8"
  • length: 1-1/2"
  • weight: 12 ounces
  • warranty: 1 year
  • MFR # 4114C002

What's in the box:

  • Extender RF2x
  • Lens Dust Cap RF (attached)
  • Extender Cap RF (attached)
  • LP811 Soft case
  • Instructions
  • Warranty Card

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More details on the Canon Extender RF2x

Mark G.

Product Research

Features

Overview: The Canon Extender RF2x will extend the focal length of a compatible lens by a factor of 2x. It has a Canon RF-mount, and features 9 elements in 5 groups, and comes with a soft LP811 lens case.

Aperture Effect: When the Extender RF2x is attached, the lens maximum aperture will be smaller (darker) by 2 stops. The camera will automatically compensate the exposure.

Compatibility: The Extender RF2x is compatible with the following Canon RF lenses:

  • RF600mm F11 IS STM
  • RF800mm F11 IS STM
  • RF100-500mm F4.5-7.1 L IS USM

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Customer Q&A

1 question already asked

Q
Will using this extender cause any noticeable reduction in image quality?
alex  Dec 02, 2022
1 answer
A
Greetings Alex, and thank you for your question. Only the user of the extender would be able to answer this question. I'll see if one of our great customers will be able to answer this for you.
hogan  Dec 02, 2022 (Staff)

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