The lens is in VGC as can be seen on the photos and in the video below. I will always consider (realistic!).
Auto TELEPLUS Variable Converter for Pentax SP - VGC
Variable Auto Tube and Auto Teleplus 2X-3X for Nikon - G2
APS Auto Teleplus 2x–3x Teleconverter + Variable Auto Tube Pentax K - Japan
Kenko 2x Teleconverter Auto Teleplus M42 PR With Original Case Kenco
cosmos cfe auto teleplus 2 x + Case
