Unbranded 1.33x Anamorphic Adapter

I tested the Century 1.33x as one of the first lenses in this channel. How does this unbranded 1.33x anamorphic adapter compare to the Century? Someone, please make these again for cheap.

USEFUL LINKS:

• Look for a 1.33x adapter on eBay
• Watch the Century Optics 1.33x Review