I was at a range with 300m to the berm shooting my savage .308. I had my stand at the berm with a bunch of small targets i printed out. The guy next to me had a shiny new .300 win mag shooting at the cardboard box with one of the big bulls-eye targets stapled to it at 50m. The range goes cold...
Working on a DIY target camera using a raspberry PI and a directional WIFI antenna. It should be able to connect to any phone, ipad or laptop directly. I will post the details when its done. This could be a cheap DIY option.