Canon ET-74B Lens Hood for EF 70-300mm IS II USM & RF 100-400mm The ET-74B Lens Hood is compatible with the Canon EF 70-300mm f/4-5.6 IS II USM lens and the RF 100-400mm F5.6-8 IS USM lens. The ET-74B Lens Hood is compatible with the Canon EF 70-300mm f/4-5.6 IS II USM lens and the RF 100-400mm F5.6-8 IS USM lens.
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