I also just picked up a DSX-125 on eBay for $268 (after taxes). It is a USA made one with the controller and tripod, in good shape and all metal at least on the outside. The seller was a 20 min drive away so I went and picked it up. It came with a 26mm eyepiece which re...
Since there are usually 6 on a chip, there are plenty to play with. One thing to remember though, is that it probably only works on CMOS chips because of their high input impedance. I have seen digital O-scopes for as little as $200.00 in the past. Though they are usually slower (...