The GPZ 7000 works really well on large, deep targets and also on smaller nuggets, but if you're in an area that's more well known for tiny nuggets (flakes!), then the SDC would be the better choice.
The GPZ 7000 works really well on large, deep targets and also on smaller nuggets, but if you're in an area that's more well known for tiny nuggets (flakes!), then the SDC would be the better choice.