General Repair

This is a variable brightness light source that is used to check meter readings, shutter speeds, aperture openings, etc. It is the most important...and most used... piece of test equipment…

The easiest way to get a shutter speed tester is just to buy one. Micro-Tools has excellent ones from Delta and ZTS but they are kind of pricey for the…

Sooner or later you’ll come across a camera that is "capping". One side of the frame is exposed more than the other. What causes this is the two shutter curtains…

The aperture tester simply measures the amount of light getting through a lens. Starting with a known light intensity (our old familiar Adjustable Light Source ) at a known distance.…

This topic is mainly aimed at focal plane shutters. Lens shutters, due to their design, open fully at any speed. So they sync at any shutter speed. Focal plane shutters…

These are nothing but wires with insulated alligator clips soldered to the ends. Radio Shack part number 278-1156 or equivalent should be adequate. Small gauge wire and short (14") lengths…

This is a very handy tester in that it tests the combination of shutter speeds and apertures. In other words, it’ll tell you if the exposure is correct. Cameras can…

We’ll look at three ways to test a camera’s focus. As with most testing and test equipment, the more complicated and involved the equipment the easier it is to use.…