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Canon 7D vs Sigma SD9

Portability
56
Imaging
58
Features
70
Overall
62
Canon EOS 7D front
 
Sigma SD9 front
Portability
54
Imaging
39
Features
27
Overall
34

Canon 7D vs Sigma SD9 Key Specs

Canon 7D
(Full Review)
  • 18MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400 (Raise to 12800)
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Canon EF/EF-S Mount
  • 860g - 148 x 111 x 74mm
  • Revealed November 2009
  • Replacement is Canon 7D MII
Sigma SD9
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 400
  • 1/6000s Max Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Released November 2002
  • Refreshed by Sigma SD10
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Canon 7D vs Sigma SD9 Overview

In this article, we are comparing the Canon 7D versus Sigma SD9, both Advanced DSLR cameras by competitors Canon and Sigma. There exists a big gap among the sensor resolutions of the 7D (18MP) and SD9 (3MP) but they possess the same exact sensor sizing (APS-C).

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The 7D was released 7 years later than the SD9 and that is a fairly big gap as far as camera technology is concerned. Each of these cameras offer the identical body type (Mid-size SLR).

Before getting through a thorough comparison, below is a simple overview of how the 7D grades vs the SD9 when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Canon 7D over the Sigma SD9

 7D SD9 
ReleasedNovember 2009November 2002Fresher by 85 months
Display sizing3"1.8"Larger display (+1.2")
Display resolution920k130kClearer display (+790k dot)

Reasons to pick Sigma SD9 over the Canon 7D

 SD9 7D 

Common features in the Canon 7D and Sigma SD9

 7D SD9 
Manually focus Dial precise focusing
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen
Touch display Absent Touch display

Canon 7D vs Sigma SD9 Physical Comparison

For anyone who is going to carry your camera, you will need to consider its weight and proportions. The Canon 7D has got physical measurements of 148mm x 111mm x 74mm (5.8" x 4.4" x 2.9") and a weight of 860 grams (1.90 lbs) and the Sigma SD9 has measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") and a weight of 950 grams (2.09 lbs).

Look at the Canon 7D versus Sigma SD9 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at the time. Following is the front view scale comparison of the 7D versus the SD9.

Canon 7D vs Sigma SD9 size comparison

Taking into consideration dimensions and weight, the portability rating of the 7D and SD9 is 56 and 54 respectively.

Canon 7D vs Sigma SD9 top view buttons comparison

Canon 7D vs Sigma SD9 Sensor Comparison

Quite often, it's difficult to visualise the difference in sensor sizing only by going through technical specs. The graphic here will help provide you a better sense of the sensor measurements in the 7D and SD9.

As you have seen, both cameras offer the same exact sensor sizing but not the same megapixels. You should anticipate the Canon 7D to show more detail as a result of its extra 15MP. Greater resolution will also enable you to crop images a little more aggressively. The more modern 7D will have an edge with regard to sensor technology.

Canon 7D vs Sigma SD9 sensor size comparison

Canon 7D vs Sigma SD9 Screen and ViewFinder

Canon 7D vs Sigma SD9 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon 7D
Portrait photography with Sigma SD9
74
focusing manually
decent megapixels (18MP)
nice sensor size (APS-C)
features face detect autofocus
delivers RAW files
47
manual focus
sensor size is decent (APS-C)
saves RAW files
doesn't have liveview
MP count low (3 megapixels)
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Street Comparison

Street photography with Canon 7D
Street photography with Sigma SD9
57
nice sensor size (APS-C)
delivers RAW files
environment proofing
fixed screen
does not have image stabilization
43
sensor size is decent (APS-C)
saves RAW files
screen does not articulate
does not have image stabilization
more heavy than average (950g)
low maximum ISO (400)
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Sports Comparison

Canon 7D Sports photography details
Sigma SD9 Sports photography details
64
max shutter speed is good (1/8,000 seconds)
decent megapixels (18 megapixels)
nice sensor size (APS-C)
environment proofing
comes with phase detect autofocus
does not have image stabilization
bad battery life (800 shots)
36
great max shutter speed (1/6,000s)
sensor size is decent (APS-C)
doesn't have liveview
does not have image stabilization
MP count low (3 megapixels)
no phase detect autofocus
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Travel Comparison

Travel photography with Canon 7D
Travel photography with Sigma SD9
54
environment proofing
decent megapixels (18 megapixels)
built-in flash
does not have Timelapse mode
bad battery life (800 shots)
does not contain selfie friendly screen
29
does not have Timelapse recording
more heavy than average (950g)
MP count low (3MP)
doesn't offer selfie friendly screen
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Landscape Comparison

Canon 7D as a Landscape photography camera
Sigma SD9 as a Landscape photography camera
63
focusing manually
swap lenses (Canon EF/EF-S mount)
screen is a decent size (3")
decent megapixels (18MP)
nice sensor size (APS-C)
delivers RAW files
environment proofing
does not have image stabilization
bad battery life (800 shots)
does not have Timelapse mode
41
manual focus
change lenses (Sigma SA mount)
sensor size is decent (APS-C)
saves RAW files
tiny screen (1.8")
doesn't have liveview
does not have image stabilization
MP count low (3 megapixels)
low maximum ISO (400)
does not have Timelapse recording
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Vlogging Comparison

Canon 7D Vlogging details
Sigma SD9 Vlogging details
29
features face detect autofocus
video res high (1920 x 1080 pxls)
does have microphone port
does not contain selfie friendly screen
does not have image stabilization
9
no video recording
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Canon 7D vs Sigma SD9 Specifications

Detailed spec comparison table for Canon 7D and Sigma SD9
 Canon EOS 7DSigma SD9
General Information
Brand Canon Sigma
Model Canon EOS 7D Sigma SD9
Type Advanced DSLR Advanced DSLR
Revealed 2009-11-06 2002-11-26
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Chip Dual Digic 4 -
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 22.3 x 14.9mm 20.7 x 13.8mm
Sensor surface area 332.3mm² 285.7mm²
Sensor resolution 18 megapixels 3 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2
Maximum resolution 5184 x 3456 2268 x 1512
Maximum native ISO 6400 400
Maximum boosted ISO 12800 -
Min native ISO 100 100
RAW images
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 19 -
Lens
Lens mounting type Canon EF/EF-S Sigma SA
Amount of lenses 326 76
Focal length multiplier 1.6 1.7
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3" 1.8"
Screen resolution 920k dots 130k dots
Selfie friendly
Liveview
Touch function
Screen tech TFT color LCD, liquid-crystal monitor -
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.63x 0.77x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/6000s
Continuous shooting rate 8.0 frames per sec -
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 12.00 m no built-in flash
Flash options Auto, On, Off, Red-eye -
Hot shoe
Auto exposure bracketing
White balance bracketing
Maximum flash synchronize 1/250s 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (30, 25, 24 fps), 1280 x 720 (60, 50 fps), 640 x 480 (60, 50 fps) -
Maximum video resolution 1920x1080 None
Video format H.264 -
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 1.0 (1.5 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 860 grams (1.90 lb) 950 grams (2.09 lb)
Dimensions 148 x 111 x 74mm (5.8" x 4.4" x 2.9") 152 x 120 x 79mm (6.0" x 4.7" x 3.1")
DXO scores
DXO All around score 66 not tested
DXO Color Depth score 22.0 not tested
DXO Dynamic range score 11.7 not tested
DXO Low light score 854 not tested
Other
Battery life 800 images -
Form of battery Battery Pack -
Battery model LP-E6 -
Self timer Yes (2 or 10 sec) Yes (10 sec)
Time lapse recording
Storage type Compact Flash (Type I or II), UDMA, Microdrive cards Compact Flash Type I or II
Card slots One One
Price at launch $1,050 $3,001