Friday, November 2, 2012

Inexpensive Canon 50mm F1.8 II Lens for DSLR

Canon 50mm F1.8 II is an inexpensive lens for DSLR digital camera.  Features include:

  • Compatible with Canon DSLR's Canon DSLR's 30D/20D/10D, Rebel, Rebel XT and Rebel Xti.
  • 50mm focal length
  • Maximum aperture of 1:1.8
  • Capture up-close shots from 1.5ft (0.45m)
  • Lens construction: 6 elements in 5 groups
  • Diagonal angle of view: 46º
  • Focal adjustment: Overall linear extension system with Micromotor
  • Filter size: 52mm
Canon EF 50mm f1.8 II Lens
Canon 50mm F1.8 II Lens

Rating (Source:dpreview)

Conclusion - Pros

  • Excellent image quality when stopped down
  • Essentially no lateral chromatic aberration
  • Extremely cheap

Conclusion - Cons

  • Extremely cheaply built
  • Harsh and distracting bokeh due to pentagonal aperture
  • Vignetting at wide apertures on full frame (which only disappears at F3.5)
  • Inconsistent autofocus in low light (most problematic when using large apertures)

Specification



Focal Length with 35 mm Full Frame Sensor 50 mm
Apparent Focal Length with APS-C/DX Sensor 80 mm
Apparent Focal Length with Other Sensor 65 mm with APS-H
Horizontal Angle of View with 35 mm Sensor 40°
Horizontal Angle of View with APS-C/DX Sens 25°
Horizontal Angle of View with Other Sensor 30° 46' with APS-H
Maximum Aperture f/1.8
Minimum Aperture f/22
Closest Focusing Distance 0.45 m
Maximum Magnification 0.15x
Macro No
Mechanics
Focus Adjustment Inner Focusing System
Focusing Motor DC Micro Motor
Manual Focusing Yes
Construction (Elements/Groups) 6/5
Zoom System Not Applicable
Diaphragm Blades 5
Stabilization No
Included in the Box
Front Lens Cap Yes
Rear Lens Cap Yes
Hood No
Pouch/Case No
Manual Yes
Other None
Physical Features
Colour Black
Body Construction Plastic
Mount Construction Plastic
Mount Type Canon EF
Filter Attachment Type Screw
Filter Size 52 mm
Maximum Diameter 68.2 mm
Maximum Length 41 mm
Weight 130 g

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