ALPA of Switzerland - Manufacturer of fine cameras

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ALPA Adjustable Digital Back AdaptersMay 5, 2010

Paul Slotboom from OptechsDigital presents how to use of the unique ALPA adjustable digital backadapters who allow to compensate a possible misalignment of the sensor plane of a digital back and optimize the system.

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Hiking with the Alpa 12 TC & Leaf Aptus II 5Mar 3, 2010

Paul Slotboom from OptechsDigital hiking with the ALPA 12 TC.

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Some thoughts about...Feb 3, 2010

Comments and thoughts about various photographic topics. Today: Sliding backs and helical mounts.

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