Canon front lens caps vs everyone's else: an IP issue?

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Enginel Contributing Member • Posts: 863
Canon front lens caps vs everyone's else: an IP issue?

Many front caps have somewhat complex construction and prone to break. The Canon ones just use an elliptic ring instead of springs and hinges, which makes it much more robust. Why only Canon is doing that? is that IP issue?

 Enginel's gear list:Enginel's gear list
Pentax Q Sony Alpha NEX-5N Sony E 18-55mm F3.5-5.6 OSS Sony E 50mm F1.8 OSS
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