Model：For Insta360 X4. Snap installation, install and remove with the use of X4 lens on the locking structure, [a push a turn], you can complete the installation and removal of the protective mirror. Lens edge without blocking, no black edges of the picture stitching, the protective mirror has a large field of view, does not block the lens edge imaging, to ensure that the shooting picture of the stitching translucent without black edges.
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