Product Name: RS5118 China Optical Equipment Auto Lens Edger Model NO.: RS5118A Trademark: RS Transport Package: Carton Specification: CE, FDA, ISO9001 Origin: China HS Code: 81642010 Product Description Auto lens edgerRS5118ATechnical DataThis model is similar with RS5118.only plus the function of grinding PC lens.This model machine can grind PC lens, glass lens, and CR39 lens. And there is one LCD digital windows.Lens diameter: Φ 18~ Φ 80mmLens grinding pressure: 0.45~1.10 MPs(multi-steps)Stand wheel diameter: Φ 100mmThe speed of the wheel: 16.7 m/s.Power: AC220V(110V)50Hz(60Hz), 400VAWorking temperature: 5ºC~40ºCSize of the machine: 510*410*470Weight: 48kgNote, if you want to grind super small diameter 14mm lens, there is small bearing optional.All the models