It's at Nikon website
http://imaging.nikon.com/lineup/lens/singlefocal/normal/af-s_50mmf_18g/index.htm
Key Features
A fast, single-focal-length lens with normal 50mm focal length
Large maximum aperture of f/1.8
Newly developed optical system employing an aspherical lens element
Silent Wave Motor (SWM) realizes quiet AF operation
Two focus modes are available M/A (quick switching from AF to MF) and M (manual focus)
Specifications
Focal length 50mm
Maximum aperture f/1.8
Minimum aperture f/16
Lens construction
7 elements in 6 groups (with one aspherical lens element)
Angle of view
47° (31°30' with Nikon DX format)
Minimum focus distance
0.45 m/1.48 ft
Maximum reproduction ratio
0.15x
No. of diaphragm blades
7 (rounded)
Filter-attachment size: 58mm
Diameter x length
(extension from lens mount)
Approximately 72 x 52.5 mm/2.8 x 2.1 in.
WeightApproximately 185 g/6.6 oz
Supplied accessories
58mm snap-on Front Lens Cap LC-58, Rear Lens Cap LF-4, Bayonet Hood HB-47, Flexible Lens Pouch CL-1013
Hope it's just as affordable!
http://imaging.nikon.com/lineup/lens/singlefocal/normal/af-s_50mmf_18g/index.htm
Key Features
A fast, single-focal-length lens with normal 50mm focal length
Large maximum aperture of f/1.8
Newly developed optical system employing an aspherical lens element
Silent Wave Motor (SWM) realizes quiet AF operation
Two focus modes are available M/A (quick switching from AF to MF) and M (manual focus)
Specifications
Focal length 50mm
Maximum aperture f/1.8
Minimum aperture f/16
Lens construction
7 elements in 6 groups (with one aspherical lens element)
Angle of view
47° (31°30' with Nikon DX format)
Minimum focus distance
0.45 m/1.48 ft
Maximum reproduction ratio
0.15x
No. of diaphragm blades
7 (rounded)
Filter-attachment size: 58mm
Diameter x length
(extension from lens mount)
Approximately 72 x 52.5 mm/2.8 x 2.1 in.
WeightApproximately 185 g/6.6 oz
Supplied accessories
58mm snap-on Front Lens Cap LC-58, Rear Lens Cap LF-4, Bayonet Hood HB-47, Flexible Lens Pouch CL-1013
Hope it's just as affordable!