Sigma 18-200mm f3.5-6.3 DC OS for Canon EF-S power winder 9 Oscillo-Raptar was originally designed

9 Oscillo-Raptar was originally designed for close-up imaging of oscilloscope displays

and solid enough to support a medium-sized camera and lens

so you can view from the back of the camera- like most finders- but also from the front or from either side

so you’ll want to be a bit delicate with this one

Diaphragm has light oil

Sigma 18-200mm f3.5-6.3 DC OS for Canon EF-S power winder 9 Oscillo-Raptar was originally designedThe Sigma 18 200mm f3. 5 6. 3 DC OS is a good quality all purpose lens for APS C format Canon EF S mount DSLR cameras. The wide zoom range covers everything from wide angle to telephoto, and the built in image stabilizer keeps things steady. In excellent condition, with very minor cosmetic wear, clean glass, good function.