Canon EF 50mm f/1.8 II Repair

The front name plate on the front of the lens is marked as "CANON LENS EF 50mm 1:1.8 II".

General:

• Focal Length: 50 mm
• Maximum Aperture: f/1.8
• Minimum Aperture: f/22
• Closest Focusing Distance: 0.4 m (1.5 ft)
• Maximum Magnification: 0.15 x

Construction:

• Lens Groups: 5
• Lens Elements: 6
• No. of Diaphragm Blades: 5
• Focus Adjustment: Overall linear extension system with Micromotor

Physical:

• Lens Mount Type: Canon EF
• Filter Diameter: 52 mm
• Maximum Diameter x Length: 68.2 x 41.0 mm (2.7 x 1.6 in)
• Weight: 130 g (4.6 oz)

Accessories:

• Lens Cap: E-52 II
• Lens Hood: ES-62
• Lens Case: LP1014

Source: Canon Camera Museum Webpage

Instruction Manual

Wikipedia: Canon EF 50mm lens

Canon Camera Museum Webpage

Canon Lens Specifications