Kowa TSN-883 Prominar ED 88mm Angled Spotting Scope

• High-performance 88mm spotting scope with a rugged construction and high-end specifications that make it perfect for bird watchers, hunters, and target shooters
• Constructed of strong, lightweight polycarbonate materials, with a rigid structure that can endure hard usage, and a shape and rubberized coating for ease of handling and ergonomic fit
• Waterproof to JIS class 7 protection standards, and filled with dry nitrogen gas to prevent the lens from fogging, for use in the rain and other harsh weather conditions
• Features an angled eyepiece for comfortable long, and high-angle use, with the option of several eyepieces (sold separately) to fit most any spotting need or preference
• Weighs 53.6 ounces, measures 13.5 inches in length, and is backed by a manufacturer s lifetime product warranty

The picture is an older model scope - I have read great reviews about this item and interested to buy one. The picture as shown here is an older model scope. Also, what does ED stand for?