JJC L-R6 Body Cap and Rear Lens Cap are specially designed for Sony/Minolta AF Mount cameras and lenses. When storing the camera without a lens attached, the Body Cap can effectively protect the image sensor and internal camera components from dust, moisture, and other elements. Besides, the Rear Lens Cap also can effectively protect your valuable lenses against scratches, moisture, dust and fingerprints when it is not attached to the camera. JJC L-R6 Body Cap replaces Sony ALC-B55 Body Cap. JJC L-R6 Rear Lens Cap replaces Sony ALC-R55 Rear Lens Cap.