Flexible Strobe Trigger

Where can you get hold of a flexible trigger unit for a portable strobe? I’ve got a few of these type of units, but the trouble with them is that if the key strobe unit is set to low power and the sensor isn’t in direct line of sight the firing of the receiver unit can range from fairly ‘hit and miss’ to entirely ‘miss’. This can get very frustrating. Separating the sensor from the …

Safe Sync Unit

You may have heard that old flash guns and heads shouldn’t be used with modern DSLRs, because their sync voltage (i.e. the voltage across the hot shoe or sync connector) can be very high. Tens of volts on the sync connections were common, but in some cases the voltages were in the hundreds. To find out the voltage level of an old flash unit a good place to start is here: http://www.botzilla.com/photo/strobeVolts.html, preferably followed by …

PIR Camera Trigger

If you want to capture pictures of wildlife, one of the big challenges is getting close enough to your subject. This is likely to involve getting into position, camouflaging yourself or building a hide to sit in, and waiting for hours (or days) for your elusive subject to turn up. For those of us that don’t do this for a living, but still want to attempt to get a few decent wildlife pictures for our …