The Goerz Roll-Tenax (Rollfilm-Tenax) in the 4x6.5 format is a folding rollfilm camera produced by the German optical firm C.P. Goerz. It belongs to the early twentieth-century era of compact folding cameras designed for amateur use on small-format rollfilm.

Auction evidence for this model is extremely thin: a single recorded UK saleroom result from 2004 saw a Roll-Tenax fetch £138 at hammer, which gives only a historical reference point rather than a reliable current value. Because no recent comparable sales are available, today's worth is not something a buyer or seller can confidently price from the data, and what an example sells for in 2026 will depend heavily on condition, completeness and bidder interest on the day.