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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:
Tokina Lens Filter For Solar Use Long Throw Projector Lens Adapter Short Throw Lens Adapter Short Throw Projector Lens Adapter Long Throw Lens Adapter C Y Lens Adapter Epson Projector Lens Adapter F30 Adaptive Headlight Throw Lens Short Throw Lens Adapter Benq Schneider 28mm F-mount Lens Short Wd
Best Lens Filter For Shooting Eclipse Sony A6500 A Mount 24-105mm Lens Canon Mount Fujifilm X E2 Lens Adapter Sigma Dp2 Wide Lens Adapter Nikon Ar 15 P Series Mount Sony A7s3 Xlr Adapter Voigtlander Adapter Vm Sony-e Ii Samyang 14mm Sony Fe Mount Sony Fs5 Mark Ii E Mount