Pyugxab 2X M42-FX M42 Lens to for x Mount X-Pro1 X-M1 X-E1 X-E2 Adapter Ring M42-FX M42 Lens
Camera Auto 2x Converter M42 Mount. Like New. Never used. Tested
nice Super Paragon 2X Tele converter M42 Screw Mount VGC #1
0.35X 0.5X 1X 2X Auxiliary Objective Glass Lens M42 Thread For Microscopes B
Teleplus Tele Converter Auto 2X Extender PR . M42 mount. Made in Japan
Optomax 80-250mm f/4.5 Constant Aperture M42 Zoom Lens with Vivitar 2x TC
