A professional who repairs and adjusts cameras, using specialized tools and test devices. Responsibilities include:

• Disassembles camera, using handtools.
• Tests and aligns diaphragm, lens mounts, and film transport to minimize optical distortion, using precision gauges.
• Adjusts range and view finders, using fixed focusing target.
• Calibrates operation of shutter, diaphragm, and lens carriers with dial settings, using electronic or stroboscopic timing instruments.
• Fabricates of modifies parts, using bench lathe, grinder, and drill press.