2.20x High Definition, Super Telephoto Lens for Sony SEL55210 55-210mmLens

This lens will effectively transform you're Sony SEL 55-210mm lens to 400mm+. 

• 2.20x Professional telephoto lens
• Longest possible zoom with no distortion
• Mount Thread: 58mm, ring 49-58mm
• Includes Lens Adapter
• High quality crystal optics
• High-index, low-dispersion optical glass
• High resolution precision optics
• Designed to maximize day and night shots by providing maximum light transmission
• High speed auto-focus / Infrared compatible
• Great for every type of photographic situation
• Multi-coated optical glass
• Anti-reflection coating