Canon EF 50mm f/1.8

It's cheap, but this old workhorse from my film days doesn't hold up in today's digital world.

Specifications

Focal Length & Maximum Aperture	50mm 1:1.8
Lens Construction	6 elements in 5 groups
Diagonal Angle of View	46°
Focus Adjustment	Overall linear extension system with Micromotor
Closest Focusing Distance	0.45m / 1.5 ft.
Filter Size	52mm
Max. Diameter x Length, Weight	2.7" x 1.6", 4.6 oz. / 68.2 x 41.0mm, 130g