Allows connection of multiple PRO25 and/or PRO50 extension tubes
Threaded 1/4-20 allows QR plate attachement to mount assembly to focus rack CASTEL-MINI-II or other focus rack/rail
The combination of PRORING, 2 tubes PRO50, the PRO-APO-DIGI 90 with the m camera connection adapter for your camera gives a fixed magnification of 1:1
German engineered and manufactured
NOVOFLEX PRO25 and PRO50 extension tubes are a good way to get to macro. This ring joins two of these extension tubes together to achieve greate magnification. Mount to QR plate and pair with CASTEL-MINI-II or CASTEL-Q for precise focus. Solid, precision machined for years of dependable use.