Vivitar 2x-5 Vintage Teleconverter Review

Another lucky thrift store find for $5! I was planning on buying a Vivitar 2x-5 on eBay so I could make this exact video until I got super lucky and found one at a local shop that was about to close down. Check out the lens review on its own:    • Tokina SD 400mm f5.6 Vintage Lens Review   Recorded using Sony Xperia 5iii and Sony a5000 primarily with Canon FD 50mm f1.8