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Autofocus at f/11: Canon EF 100-400mm f/4.5-5.6L IS II USM with 2x Extender Autofocus on Canon EOS R - YouTube
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Canon EF 100-400mm f/4.5-5.6L IS II USM - Objetivo para Canon (distancia focal 100-400mm, apertura f/4.5-5.6L IS II USM), negro y blanco : Amazon.es: Electrónica
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Canon EF 100-400mm f/4.5-5.6L IS II USM - Objetivo para Canon (distancia focal 100-400mm, apertura f/4.5-5.6L IS II USM), negro y blanco : Amazon.es: Electrónica
Can 100-400 II with 1.4X III provide a sharper image: Canon SLR Lens Talk Forum: Digital Photography Review
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