Instrument cable retail price: $60.00 dc.com price: $55.00 USB interface cable retail price: $15.00 dc.com price: $15.00 Tripod bracket retail price: $50.00 dc.com price: $45.00 Prism pole bracket retail price: $155.00 dc.com price: $145.00 Foresight DXM retail price: $399.00 dc.com price: $349.00