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KIPON start to deliver world first autofocus adapter for m4/3 system with drop-in variable ND filters - KIPON
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Amazon.com : NEEWER EF to EOS R Mount Adapter with Drop in Variable ND Filter ND3-ND500, Autofocus Lens Converter Ring Compatible with Canon EF/EF-S Lens to EOS R EOS RP EOS R5
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K&F filter adapter rings with the iF DESIGN AWARD and the Red Dot Design Award in 2022! - K&F Concept
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Selens Aluminium Ir Nd Filter Houder 58Mm 62Mm 67Mm 72Mm 77Mm 82Mm 86Mm 95Mm 105Mm Filter Adapter Ring Voor 150Mm Insert Filter|Camerafilters| - AliExpress
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