4 ms·It's a 4x optical zoom (or 5x in the Max), opposed to NO optical zoom at all in the non-pro version.by epaga 6y agoIt's a 4x optical zoom (or 5x in the Max), opposed to NO optical zoom at all in the non-pro version.tomerico 6y agoIt’s 4x zoom range (ultra wide to zoom lens). The regular has 2x zoom range (ultra wide to regular)epaga 6y agoAh, wow, I had not understood this - thanks for the correction.