Owner of a Sony A 7 and avid macro, I could not find my account with the dedicated objective (28/70). The "full frame" goals for this case pretending not to be part of the priority concerns of Sony, so I set my heart on this light. Although not fully exploits the capabilities of the sensor, it proves to be able to take pictures of a quality very correcte.Le featherweight is an asset for anyone who wants to travel light and be up and running. Only small problem, big loss of brightness when approaching the maximum magnification, but deals with it, considering the price ...