The Sensei 52-58mm Step-Up Ring permits the use of 58mm threaded filters on lenses with 52mm filter threads
Metal Edged for Added Durability
It also folds back into the adapter when not in use
light pressure rather than touch-fasteners or tape
375' Horizontal Field of View
STMICROELECTRONICS STF12N65M5 Power MOSFET, N Channel, 8.5 A, 650 V, 0.39 ohm, 10 V, 4 V Lighting Chargers The Sensei 52-58mm Step-Up RingThis is a Power MOSFET, N Channel, 8. 5 A, 650 V, 0. 39 ohm, 10 V, 4 V product from STMICROELECTRONICS with the model number STF12N65M5Product details Power Dissipation Pd 25W Operating Temperature Max 150C Continuous Drain Current Id 8. 5A Transistor Polarity N Channel No. of Pins 3Pins Threshold Voltage Vgs 4V Product Range Drain Source Voltage Vds 650V Rds(on) Test Voltage Vgs 10V Transistor Case Style TO 220FP On Resistance Rds(on) 0. 39ohm MSL