A focus light will help with focusing, but the strobe is still very useful (if not critical) for well-exposed pictures. Don't aim the strobe directly at the target--graze the target with the strobe. Practice on land--lay out things on a carpet and practice shooting pens, keys, coins, etc. on the carpet. If the TG6 is like the TG7, there is a control for where it wants to focus. Hold down the OK button--you'll bring up a grid of squares on the display. You can scroll these squares to make the camera focus not quite dead center. Get close to your target (easier said than done ;-). On dry land, lay out a few coins on the carpet, then, use the OK button to pick which coin you want to focus on. (Easier if you shoot aperture priority and get the widest aperture (smallest number, f2.0). In your practice shots, you'll see some bokeh. I think that makes for nice pictures, makes your target stand out more. Hope that helps!