Sigma Corp Of America（シグマ）のインスタグラム(sigmaphoto) - 12月3日 23時31分

The new SIGMA I series magnetic lens caps aren't just cool... they're built to extremely high standards, too! Watch as the SIGMA Quality Assurance team conducts a series of tests that takes these lens caps -- and the employees -- to the limit.

Learn more about I series lenses at:
https://www.sigmaphoto.com/lenses/i-series

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