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| Prinzflex auto 3x Teleconverter - Praktica screw fit |
| NEW 3X AUTO TELECONVERTER TELEEXTENDER M42 SCREW MOUNT |
| APS Zodel 2x auto teleconverter - Praktica screw fit |
| auto TeleConverter VIVITAR 2x-1 screw mount - clean ! |
| MINOLTA ALBINAR AUTO 2X TELECONVERTER LENS W/CASE X-700 |
| Nikon TC-16A 1.6X Auto Focus Teleconverter |
| OM Auto 2X teleconverter (OM) for OM1, OM2, OM4, OM10 |
| Olympus OM Mount Formula 5 M.C. Auto 2X Teleconverter |
| Canon EF 2x Auto Focus Teleconverter |
| APS Auto Teleplus 2x teleconverter for Pentax m42 screw |
| Calman Auto Teleconverter lens 2X for Pentax-K |
| PENTAX/PRAKTICA M42 SCREW FIT AUTO 2x TELECONVERTER |
| APS Auto Varimirax 2X Teleconverter Doubler Pentax M42 |
| NEW 3X AUTO TELECONVERTER LENS MACRO 1:1 PENTAX VIVITAR |
| Lucentar Auto 2X Teleconverter for Pentax Cameras |
| APS Auto Teleplus 2x teleconverter for Pentax m42 screw |
| NEW PENTAX AUTO 110 1.7 X TELECONVERTER LENS SLR A110 |
| Canon 2X-4 auto teleconverter by Vivitar |
| CPC AUTO TELECONVERTER 2X FOR CANON FD MOUNT JAPAN |
| Minolta 2X auto teleconverter camera lens by Asanuma |
| Canon FD Mount Omega Auto 2X Teleconverter * Excellent |
| NEW 2X AUTO TELECONVERTER EXTENDER FOR MINOLTA CAMERAS |
| Vivitar Auto Teleconverter for Nikon non-AI 2X-3 |
| THREE X M42 SCREW FIT LENSES & AUTO TELECONVERTER 2X + |
| 2X Auto Focus Teleconverter Lens Sony Alpha DSLR-A100 |