The Rittreck weighs 9 pounds 6 ounces without lens, case, etc. I have two, they're very solid and useful metal folding 5x7 cameras that often come with a second, 4x5 reducing back. It's not been sold new for several decades. The Rittreck company was the direct corporate predecessor of Wista.
However, I like to joke that they were built by the same company that built the Japanese battleship Yamato, the biggest, heaviest battleship ever built, 63,000 tons of steel. Seriously, the Rittreck is a versatile and useful camera, but heavy.
Most copies are coming out of Japan via the bay and not uncommonly should have new bellows (not a big problem) and a bit of cleanup and touch-up by a machinist or other person familiar with metal work. Still, for $300-$500, their value is hard to beat. Just be sure that the 5x7 and 4x5 backs are the sort that take modern film holders, not the old book form or plate backs. Technika board adapters and fitted compendium lens hoods are easy to find.
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