Focal Length & Maximum Aperture
Magnification: 1.4x
Lens Construction
7 elements in 4 groups
Max. Diameter x Length, Weight
2.8 x 0.8 in., 7.9 oz. / 71.2 x 20.3mm, 225g
Note
This extender is only compatible with the following RF lenses RF600mm F11 IS STM, RF800mm F11 IS STM, RF100-500mm F4.5-7.1 L IS USM, RF400mm F2.8 L IS, and RF600mm F4 L IS. Use is not accessible with previous RF lenses. Additionally, please see the lens and/or camera body manual for full compatibility information with the Extender RF1.4x.