Canon EF 1.4X L MKIII Extender Ricoh GR III Accessories They also enable colour to

They also enable colour to become more saturated and appear clearer

Suitable for the Nikon Speedlight SB600 and SB800 flash units

and Pentax SLR K-3 II

Canon have incorporated a combination of aspherical and UD (Ultra-low Dispersion) elements to ensure sharpness is uniform throughout the focal range

look under the skin

Canon EF 1.4X L MKIII Extender Ricoh GR III Accessories They also enable colour toThe Canon EF 1. 4X Extender III is perfect for press, sports and nature photography, as it increases the focal length of Canon L series telephoto or telephoto zoom lenses by a factor of 1. 4x. The auto focus accuracy has been improved as has the communication between camera and lens. It is also dust and moisture resistant.