Buydig.com has this lens 50mm f/1.4 at $385. With BDREWARDS10 you get another $10 off, making it $375.
Standard lens featuring superb quality and portability. Two high-refraction lens elements and new Gaussian optics eliminate astigmatism and suppress astigmatic difference. Crisp images with little flare are obtained even at the maximum aperture.
Focus Drive: Ultrasonic
Angle of View: 46 degrees
Minimum Focus: 1.5 ft. (0.45m)
Minimum Aperture: f/22
Filter (diameter): 58mm
Max. Diameter & Length - 73.8mm x 50.5mm
Light: 10.1 oz. (290g)