This App help you to mange your camera Lenses, you can view basic lens information, add comment to them. The App include most of the DSLR and Mirrorless camera Lenses, include lens of Canon, Nikon, Sony, Fujifilm, Leica, Carl Zeiss, Samyang, Sigma and Tamron.
You can add any comment to the lens, and search text works on the comment too.