Olympus BLS-50 Battery. Olympus OM-D E-M10 Mark IV Key Features Olympus Body Cap. The Olympus OM-D E-M10 Mark IV adopts the classic Olympus design, which is super-compact and lightweight. This item is part of the UPG24 Refurbished Program and has been professionally inspected, cleaned and fully tested by our in-house technicians.
