Slim Sony 40.5mm Lens Cap Strap Mount Holder

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This attachment keeps your lens cap secure on your camera strap. It's designed to be more compact than existing options and doesn't need to be a perfect circle due to the built-in anti-rotation keying features. Two of these features are specifically designed to match the Genuine Sony 40.5mm Lens Cap (ALC-F405S) that comes with the 16-50mm kit lens, which helps prevent the cap from accidentally rotating off the mount. These key features are crucial if you're using a non-OEM lens cap, as they may not work in your case. As an added benefit, there's a 3mm mounting hole, allowing you to attach this accessory to something else, like your camera bag for extra protection.