DZOFILM X-Tract 18-28mm 360 deg T8 Full Frame Macro Probe Zoom Lens

X-Tract is a probe lens: an 18-28mm 360 deg full frame zoom on a long, narrow barrel that gets a camera inside spaces a normal macro cannot reach, at a constant T8 and high magnification. The 18-28mm 360 deg version sets where the front element looks.

Focus rotation is 300 deg with a separate 100 deg zoom ring, and the flange depth is 52mm on PL mount. The image circle is dia. 43.2mm. Weight is.