The Arnold Karma-Flex is a vintage roll-film reflex camera produced by the German maker Arnold. It is a collector-oriented body rather than a mainstream user camera, and surfaces only occasionally on the secondary market today.

Public auction evidence for the Karma-Flex is thin: a single Christie's hammer result from 1998 sold for £253, which is a wholesale saleroom figure excluding commission. With only one historic data point on file, current value in 2026 cannot be reliably stated, and what a Karma-Flex sells for today will depend heavily on condition, completeness and which variant comes to market.