10x High Definition II
Used by 2 peopleopteka.com ↗
“I have an Opteka 10x Macro Conversion Lens that I occasionally use to get close-up photos and video of plants.”
Claire Hopkins Interview, Botanist, educator (Brilliant Botany) · via Uses This 
“Most video cameras are useless at really close macro shots, so I use an Opteka x10 macro lens for this.”
Dave Jones Interview, Electrical engineer, video blogger (EEVblog) · via Uses This