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Canon EOS 50D

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Title: Canon EOS 50D  
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Canon EOS 50D

Canon EOS 50D
Type Digital Single-lens reflex
Sensor 22.3 × 14.9 mm CMOS (1.6x conversion factor)
Maximum resolution 4752 × 3168 (15.1 megapixels)
Lens Interchangeable (EF, EF-S)
Flash pop-up, sync at 1/250 second
Shutter focal-plane
Shutter speed range 30 s to 1/8000 s, bulb
Exposure metering TTL, full aperture, zones
Exposure modes Full auto, programmed, shutter-priority, aperture priority, manual
Metering modes 35-area Evaluative, Partial, Spot, C/Wgt Average
Focus areas 9 user points (cross type)
Focus modes One-shot, AI Servo, AI-Focus, Manual
Continuous shooting 3 or 6.3 frames/second
Viewfinder Optical, pentaprism/ LiveView LCD
ASA/ISO range 100–3200 in 1/3 EV steps; 6400 and 12800 expansion available
Flash bracketing none
Focus bracketing none
Custom WB 7 presets, Auto and custom 2000–10000 kelvin, 100 K steps
WB bracketing 3 images, ±9 levels
Rear LCD monitor 3.0 in (76 mm), 640 x 480
Storage CompactFlash (CF) (Type I or Type II) and Microdrive (max 32GB)
Battery Li-Ion BP-511A rechargeable
Dimensions 146 mm × 108 mm × 74 mm
Weight 730 g or 1.61 lb (body only)
Optional battery packs BP-511A, BP-514, BP-511, BP-512.
BG-E2N grip allows use of AA batteries.
Made in Japan

The Canon EOS 50D is a 15.1-megapixel digital single-lens reflex camera. It is part of the Canon EOS line of cameras, succeeding the EOS 40D[1] and preceding the EOS 60D.

Canon announced the camera on 26 August 2008.[2] The camera was released on 6 October 2008.

Overview and features

The 50D has many similar characteristics to its predecessor, the 40D. This includes various shooting modes, the ability to change ISO and white balance, a pop-up flash unit, and an LCD screen. The LCD screen is the same size (3.0") as the 40D but has a higher resolution (920k pixels) than any previous model. It is also the final Canon xxD to use a CompactFlash or Microdrive for memory storage, along with the BP-511 series battery.

The 50D has a higher pixel count (15.1 megapixels), hence higher shooting resolutions, than its predecessor and, like the 40D, has a 14-bit RAW format.

The camera has Live View, which allows photographers to use the LCD screen as the viewfinder. Because the sensor mirror needs to be in the locked position (see Live preview), shutter noise is reduced in this mode.

  • 15.1 megapixel APS-C CMOS sensor
  • 3.0 inch VGA LCD monitor
  • LiveView mode
  • Wide 9 point AF with center cross-type sensors
  • Selectable AF and metering modes
  • Built-in flash
  • Canon EOS Integrated Cleaning System
  • ISO 100–3200 (6400 and 12800 with custom function)
  • Auto correction of vignetting
  • Continuous Drive up to 6.3 fps (90 images (JPEG), 16 images (RAW))
  • DIGIC 4 image processor
  • Canon EF/EF-S Lenses
  • Canon EX Speedlites
  • PAL/NTSC/HDMI video output
  • File Formats include: JPEG, RAW, sRAW1 (7.1 MP) and sRAW2 (3.8 MP)
  • RAW & JPEG simultaneous recording
  • USB 2.0 computer interface
  • BP-511/BP-511A or BP-512/BP-514 Battery Types (BP-511A battery supplied)
  • Dimensions 146 × 108 × 74 mm (5.7 × 4.2 × 2.9 in)
  • Approx weight 730 g (1.61 lb)


Changes over the 40D include a higher-resolution sensor (15.1 megapixel instead of 10.1 megapixel).

The ISO goes up to 3200 in standard mode, and can be increased to 12800 through the use of a custom function. The burst rate is the same as on the 40D, 6.3 frames per second, though the 40D was advertised as 6.5.[3]

The camera uses Canon's DIGIC 4 image processor. The processor delivers more responsive operation, improved color rendition and near-instant start-up time. A new sensor cleaning system has also been introduced. The camera can also use the Canon Wireless File Transmitter WFT-E3/E3A.

The 50D has a 3" screen – the same size as the 40D – but the resolution is 640×480 pixels, which allows it to show more image detail than any of Canon's previous 3" LCD displays. The 50D features two new Autofocus Modes in Liveview and an HDMI port.

The 50D is offered as a body only or in a package with a new EF-S 18-200mm f/3.5-5.6 IS lens or EF 28–135 f/3.5-5.6 IS USM lens.

Image quality and noise

The 50D adds 5 megapixels to an APS-C sized sensor (compared to the 40D), and as a result the size of the individual photosensors has decreased. To offset the increased noise that inevitably results from smaller photosensors, Canon eliminated the gaps between the microlenses covering the photosensors. Thus the microlenses are larger, and capture more light and direct it to the sensor sites.[1]


The Canon EOS 50D received generally favourable reviews. Digital Photography Review concluded: "Looking at the specification differences between the EOS 40D and our test candidate it appears you pay quite a premium for the 50D's extra megapixels and as we've found out during this review you don't get an awful lot of extra image quality for your money. The Canon EOS 50D still earns itself our highest reward but considering its price point and our slight concerns about its pixel-packed sensor, it only does so by a whisker."[4] Gordon Laing of had a slightly better view of the camera, noting that "Canon’s bold claims of matching the noise levels of the earlier EOS 40D were confirmed in our High ISO tests," and concluded by calling it "a very capable DSLR that handles confidently, delivers great results and is a joy to use. . . .[but] to exploit that high resolution you’ll need to couple it with a decent quality lens."[5]


External links

  • Canon EOS 50D – Canon USA website
  • Canon EOS 50D – EOS website Japan

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