• Standard lens - 50mm focal length, fast f/1.2 aperture
• Large diameter high precision aspherical element achieves superb image quality
• High level dust and moisture resistance - designed for use in harsh conditions
• Large maximum aperture for available light shooting and attractive background defocus
• 45cm minimum focus distance
• Ring-type Ultrasonic Motor (USM) for fast and virtually silent operation
• Manual focussing enabled even during AF mode (full time mechanical focusing)
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