Jasper Engineering Stereo Photo Slide Bar Filter Type_Close-Up This is a light-duty promotional

This is a light-duty promotional bag

The included ball head has a quick release plate and an easy to use single-knob locking system

and rotating coupler so you can stack the holders together

with a rubberized mounting surface and a movable fixing screw

Shutter fires at one speed

Jasper Engineering Stereo Photo Slide Bar Filter Type_Close-Up This is a light-duty promotionalThis Jasper Engineering slide bar is designed for stereo photography with matched cameras. It's 16" (about 40cm) long, with two sliding platforms, each with a 1 4" threaded camera mount. In good working order, with a small scrape at the corner of one rail end that does not affect function. Two camera platforms and one stopper block are included (both sides have an end stop.)