Jasper Engineering Stereo Photo Slide Bar Filter Type_Close-Up 5 viewfinder correction lens for

5 viewfinder correction lens for M series (model 14352)

but interior dimensions at the widest point are approximately 11x18x21 (or 11x18x30cm with the bottom expanded)

Cosmetic condition is just fine

Shutter fires at one speed

Jasper Engineering Stereo Photo Slide Bar Filter Type_Close-Up 5 viewfinder correction lens forThis 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.)