Ø 4 - 6mm x 920 mm - 7.400 pixels BIPOL’s flexible endoscopes SF4-SF6 consist of a flexible probe PVC covered and water, oil resistant diameter 4 or 6mm and with working length of 920mm and a BIPOL LED-R battery high intensity light handle. The optical fiber bundle is made of 7.400 pixels which offers a very good resolution for this price range. Focussing can be manually adjusted from 10 mm to infinity. Power is provided by 1 18650 rechargeable battery. In option they accept a set of 3 mirrors (70°, 90° & 120° and magnet for SF6) in order to provide different directions of vision.