The lens mount cap from OP/TECH USA is available in sizes to fit today's most popular mirrorless camera lenses as well as D-SLRs. It's sure to be a hit with both amateur and Pro photographers. It's no ordinary cap… the benefits and versatility are sure to please. It's designed with an O-ring seal which creates a positive contact with the full Perimeter Of the lens mount Area to really lock out dust and moisture. It also offers a tighter friction fit over traditional caps that come with the lens so that it provides better protection to the lens mount Area. This ensures that the lens mount cap is securely held in place while in storage or transit.
by using the double lens mount cap on a single lens, you can change lenses faster than ever! Remove the lens from your camera and immediately apply it to the open end of the double lens mount cap. Then simply remove the other lens and put it on the camera. Less open time means your camera's delicate interior stays cleaner!