Quest Metal Detectors, where detector meets technology. QUEST is a metal detector manufacturer founded by detectorists just like you, interested in the recovery of artifacts, coins, and other valuable items. The Quest line of Metal Detectors and accessories reflect not only cutting edge technology but value as well. Quest Metal Detectors and accessories are in a league by themselves. Designs that incorporate users’ favorite features combine with Quest’s own features are a winning team. Whether you hunt on land or in the water and no matter what type of treasure you are after, Quest has you covered.