Triopo discontinues TR120 bare-bulb flash; will improve design
Just months after its announcement, the Triopo TR120 (Polaroid PL-135) flashgun is no longer being produced.
Tag: PL-135
Polaroid bare-bulb flash appears, offering TTL for Canon and Nikon
The Polaroid PL-135 is an affordable AA-powered speedlight with a bare flash tube, available in the USA and UK.