Since 2004 ALPA offers adjustable digital back adapters. Paul Slotboom and the OpTechs team has just released a very instructive series of videos showing how to make best use of the inimitable system that ALPA offers. With their unique adjustability you can compensate a possible misalignment of the sensor plane of your digital back and optimize the system. As always their videos are very well done. Thanks a lot to Paul and his team making these extremely helpful instruction videos.

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