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If your camera indicated "lens is not properly installed", please modify the camera menu settings. Usually called the "release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual.Following are some examples:
Nikon 50mm Lens Uv Filter Autofocus Lens Adapter For Fuji Manual Lens Autofocus Adapter Pronto Autofocus Lens Adapter Viltrox Autofocus Lens Adapter Andoer Autofocus Lens Adapter Autofocus Adapter For Manual Lens Autofocus Lens Adapter M43 Fringer Autofocus Lens Adapter Lens Adapter With Autofocus
Leica R Lens Mount Best Wide Angle Lenses For Canon Mount Canon C700 Ef Mount Fujifilm X Pro1 Canon Adapter Leica To Panasonic Adapter Sony E Mount Lens Package Commlite Adapter And Sony A7iii Tamron 15-30 Sony L Series Aa Adapter Jual Lensa Sony E Mount 18 200 Sony Alpha A-mount Dslr