Sony HVL-F20M External Flash ADI P-TTL bljeskalica HVLF20M HVLF20M.CE ZNAČAJKE With a notably slim, compact design and ADI / P-TTL support, the HVL-F20M External Flash from Sony is ideal for those looking to add a little fill light to their images or for use as a wireless TTL controller for off-camera flash units without adding too much weight to their gear bag. It offers a modest guide