Novoflex A Lens to Fuji X-Mount Camera Short Design for Universal Bellows Maintains Compact Form for Attachment Since a standard lens adapter will only function as an extension tube when mounted to universal bellows systems, Novoflex has developed a Short Adapter for Novoflex A Lens to Fujifilm X-Mount Camera that will keep the overall system more compact while enabling the use of a bellows system on your mirrorless camera.