This SLR 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 4,400 icons, all in the same style and quality.
The logo for looks like a simplified image of the top of a camera. It kind of looks like an L that is laying on it's back with the bottom pointing up to the right side. There is also a double circle, a black dot, a striped rectangle, and a curved rectangle on the image.