your absolutely right!
gleaner1 said:
Not too many machines if any can find a copper cent in a handful of nails. Brand or model not withstanding.
I've given seminars where I demonstrated just how bad masking is, and how if you dont HEAR the target, you usually dont have a clue its even occuring.
I do not believe that any VLF machine, minelabs included, can "unmask" a target under iron.
For demonstration, I tape a single steel staple (from a common desk stapler) to the top of a small tupperware container. On the bottom I'll tape a cuff button. The two targets are maybe 2.5 inches apart. When the staple (a VERY small target) is between the coil and the button, AND the staple is discriminated out, the button is totally quiet. Thats called silent masking. Sooooooo, if you dont HEAR it, you have NO idea you missed it, or that any masking occured at all. If a tiny target like a staple can mask a button completely, just think how bad masking is with larger pieces of iron.
Thats not to say some machines arent a lot better than others at
separating , but thats largely due to coil geometry and recovery speed. My Gold bug for instance is a lot better than a number of other manufacturers brands I've used in the past in terms of being able to pick goodies out of iron trash. BUT, being able to separate good targets adjacent to iron is a LOT different than detecting one UNDER iron.