There are scratches on the exterior from normal use, but there are no scratches or mold on the optical system that would affect the image quality. Other features: Includes rear lens cap, includes front lens cap. Compatible with XF80mmF2.8 R LM OIS WR Macro, XF50-140mmF2.8 R LM OIS WR, XF70-300mmF4-5.6 R LM OIS WR, and XF100-400mmF4.5-5.6 R LM OIS WR. This is a teleconverter that doubles the focal length of the lens. The light loss when attached is 2 stops. It features a dust-resistant, water-resistant, and -10°C low-temperature resistant construction.