The SLR 680 models were equipped with a sonar autofocus system, which permitted returning to the plain focusing screen. The later SLR 680/690 models updated the basic design of the Sonar Onestep to more modern standards by incorporating support for newer 600 cartridges generic xanax no insurance instead of SX-70 cartridges, and a built-in flash instead of the disposable Flashbar. Today they are the most evolved forms of the SX-70, and are highly sought after by Polaroid enthusiasts
Made: 1983, US
Date Purchased: April 13, 2011
Store: eBay