PANASONIC ELECTRONIC COMPONENTS EEUFM1V122L Electrolytic Capacitor, 1200 µF, 35 V, FM Series, ± 20%, Radial Leaded, 12.5 mm FSR WB-X1NK-XLR-B The force sensor operates on

The force sensor operates on the principle that the resistance of silicon implanted piezoresistors will increase when the resistors flex under an applied force

and it's compatible with all Z-Finders out there

The back is neutral white

and on the other side of the Direct Wide Photo Adapter you screw in this focal reducer

PANASONIC ELECTRONIC COMPONENTS EEUFM1V122L Electrolytic Capacitor, 1200 µF, 35 V, FM Series, ± 20%, Radial Leaded, 12.5 mm FSR WB-X1NK-XLR-B The force sensor operates onThis is a Electrolytic Capacitor, 1200 F, 35 V, FM Series, 20%, Radial Leaded, 12. 5 mm product from PANASONIC ELECTRONIC COMPONENTS with the model number EEUFM1V122LProduct details Capacitance 1200F Voltage Rating 35V Product Range FM Series Capacitance Tolerance 20% Capacitor Terminals Radial Leaded Diameter 12. 5mm Packaging Each Lead Spacing 5mm Height 30mm Operating Temperature Min 40C Operating Temperature Max 105C Lifetime @ Temperature 7000