Jasper Engineering Heavy Duty Slide Bar set brand_Praktica a drag adjustment knob

a drag adjustment knob

but this is a pretty decent manual-focus zoom lens for the Nikon F mount

but it's in decent working condition and it looks great

The Nikon TC-17EII is an autofocus teleconverter designed for select Nikon AF-S telephoto lenses (here's Nikon's compatibility list)

of course (there’s no exposure coupling or auto stop-down mechanism) but still a great way to shoot some really excellent classic glass

Jasper Engineering Heavy Duty Slide Bar set brand_Praktica a drag adjustment knobThis heavy duty slide bar kit includes two 18" Heavy Duty Slide Bars, two Roller Blocks, two Adjustable Sliding Stops and one adapter block for linking the pair of bars. In excellent condition, with only very minor wear. For stereophotography use, as you might have guessed.