This Lens icon is made in Material Design style developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 4,600 icons, all in the same style and quality.
There is a cylinder and it is on top of a thinner cylinder. There is a small circle on the bottom-middle third of the bigger cylinder, and another thick line goes around the cylinder. The top shows a circle as a lens for a camera.