The Riester Ri-Scope Operation Otoscope with optical glass and reduced reflection combines excellent optical properties and unparalleled performance with reliability and efficiency of LED/lithium-ion technology. Additionally, the Swivel lens offers 2.5-fold magnification, and the movable speculum holder can be fixed in any position. Furthermore, the open design allows for unhindered use during examination and operation. Bayonet fitting for fast and secure attachment to the handle.  The OP otoscope is made of metal, and speculum holder made of impact resistant plastic for long service life.