The Canon Extender RF 2x doubles the magnification of a compatible RF lens1. The perfect choice for enthusiast and professionals seeking more magnification, the Canon lens extender is ideal for press, nature and sports photographers looking for greater reach without the need to carry an extra lens. The extender guarantees retained image quality, thanks to high-refraction, low dispersion glass and optimised lens coatings. Finally, the extender has vibrational shock resistance, is dust and water resistant and has a white heat shield coating for use in high temperatures.BenefitsGet closer to the action by doubling the magnification of a compatible RF lensThe Canon teleconverter retains image quality as it features high-refraction, low dispersion glass to control curvature of field and chromatic aberration of magnification for the highest image qualityThe exterior is coated in the same white heat shield coating as used on the RF 100-500mm F4.5-7.1L IS USM and RF 70-200mm F2.8L IS USM lens