OLYMPUS V329200BW000 Olympus EE-1 Dot Sight - Viewfinder - for OM-D E-M5 Mark II, Sty Olympus EE-1 Red Dot Sight with Crosshair Reticle for Telephoto Lenses ... Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. Olympus EE-1 Red Dot Sight with Crosshair Reticle for Telephoto Lenses ...