I don't recommend the Sigma 50mm due to poor autofocus performance, but in my experience the lens I got didn't work properly with the Sony a7p3. It's slow and laggy, sometimes the camera and lens don't communicate when you have a black screen for about 20 seconds and then light up. As a professional photographer this is not normal and I would recommend using a native Sony (I have a 24-120, love it). in restocking fees if the item was defective. I will never buy anything from them again, Outrageous.
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