I have a question regarding the L558 and the displayed aperture value. In ALT mode you can set the L558 to display apertures in full stop, 1/3 stop or 1/2 stop increments. I also have a Minolta Flash Meter VI which allows for "direct" aperture value display (i.e. something different than the normal aperture values we're so used to seeing). So in the "direct" mode the meter can display non-full-stop apertures like f/6.7 or f/13.2 or something similar to make working with cameras which display their apertures this way a bit easier. Now to my problem and question. Do the L558's ALT aperture display settings (i.e. the 1/2 and 1/3 display increments) do pretty much the same thing as the Minolta Flash Meter VI's "direct" setting? I ask because with the L558 set up in ALT mode to display apertures in 1/2 stop increments and while measuring flash I can get the following types of readings just by moving the meter ever so slightly (an inch or so) forward or backward with the same exact lighting setup (or it may also be slight variances in strobe output within 1/10th or 2/10ths of a stop output between pops): Reading_1: f/16 4 for [f/16 + 4/10ths]. This is how I'd normally expect the meter to display f-numbers. Reading_2: f/19 1 for [f/19 + 1/10th]. This is what I think is strange. I'd expect the meter to display f/16 5 or f/16 6 or something similar. But maybe this is where I'm not understanding the 1/2 stop ALT setting properly. F/19 is a half stop more than f/16, so maybe this is how the meter works in flash readings. Anyhow, setting the meter's ALT setting to display apertures in full-stop increments solves the problem and the display is then f/16 4, or f/16 5 or f/16 6 etc. as expected. Anyone have any ideas?