Canon 60D vs 550D vs 7D – which one is better? @ DigitalRev
Canon EOS Rebel T2i/550D
Canon EOS 60D
Canon EOS 7D
Sensor (effective resolution)
18-megapixel CMOS
(4 channel)
18-megapixel CMOS
(4 channel)
18-megapixel CMOS
(8 channel)
22.3 mm x 14.9mm
22.3 mm x 14.9mm
22.3 mm x 14.9mm
Sensitivity range
ISO 100 – ISO 6400/ 12,800 (expanded)
ISO 100 – ISO 6400/ 12,800 (expanded)
ISO 100 – ISO 6400/12,800 (expanded)
Continuous shooting
3.7 fps
6 raw/34 JPEG
5.3fps
16 raw/58 JPEG
8 fps
15 raw/94 JPEG
Viewfinder
magnification/
95% coverage
0.87x/0.54x
96% coverage
0.95x/0.59x
100% coverage 1.0x/0.63x
Autofocus
9-pt AF center cross-type
9-pt AF all cross-type; center cross to f2.8
19-pt AF all cross-type; center cross-type to f2.8
Shutter speed
1/4000 to 30 secs; bulb; 1/160 x-sync
1/8000 to 30 secs; bulb; 1/250 sec x-sync
1/8000 to 30 secs; bulb; 1/250 sec x-sync
Shutter durability
n/a
100,000 cycles
150,000 cycles
Metering
63-zone iFCL
63-zone iFCL
63-zone iFCL
Live View
Yes
Yes
Yes
Video
H.264 QuickTime MOV 1080/30p/25p/24p; 720/60p/50p
H.264 QuickTime MOV 1080/30p/25p/24p; 720/60p/50p
H.264 QuickTime MOV 1080/30p/25p/24p; 720/60p/50p
LCD size
3 inches fixed
1.04 megapixels
3 inches articulated
1.04 megapixels
3 inches fixed
920,000 dots
Wireless flash
No
Yes
Yes
Quick Guide: About Sensor Channel
Sensor Channel are the output data lane from sensor… 8 is better than 4 since it can transfer more data at the same time….The faster the camera can get the data off the sensor the faster it can fire the next shot.. resulting more fps (frames per second) in continuous brust/shooting mode.
Luminous-landscape written a very informative article on DSLR unexpected ISO behavior, Major camera manufacturers DSLRs are silently increasing the ISO without photographer’s knowledge. The data for whole analysis is given by DxO lab.
The above graph show the light loss at the sensor for different Canon and Nikon cameras when using a f/1.4 lens. For example the Canon EOS5D has -0.25 the D3s has -0.30 EV light loss…click on the image to see the larger version. In order to compensate for this light loss and produce correctly exposed images, camera manufacturers are compensating by silently increasing the ISO.
DxO just completed the test of Sony SLT A33, Sony SLT A55 and Pentax Kr camera, Sony SLT A55 is clear winner of APS-C format camera. Nikon D90 stands on 2nd and canon 550D stand on 21 🙁 Click here to view at DxO website
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