Canon Rebel
T3i
 vs
Canon
EOS-1Ds

Canon EOS-1Ds Mark III

66
Winner

Canon EOS-1Ds

Reasons to buy the Canon EOS-1Ds

Low light performance
 Low noise at high ISO
1,663 ISO
Overall image quality
 Great image quality
80.0
Color depth
 Great color depth
24 bits
Dynamic range
 Wide dynamic range
12 EV
Viewfinder size
 Large viewfinder
0.76x
True resolution
 High true resolution
21 MP
Canon Rebel T3i

53
Runner-up

Canon Rebel T3i
"Excellent image quality even at high ISO settings"
dpreview.com | talking about the T3i's image-quality
"Good quality 1080/720p video output with a range of frame rates and control over exposure"
dpreview.com | talking about the T3i's video-quality

Reasons to buy the Canon Rebel T3i

Screen resolution
 High resolution screen
1,040k dots
Screen flips out
 Flip-out screen
Great for movies
External mic jack
 External mic jack
Record higher quality audio with a microphone
Badge
 Built-in focus motor
Autofocuses with more lenses

differences

Advantages of the Canon T3i
Screen resolution Much higher resolution screen 1,040k dots vs 230k dots
Help
 More than 4.5x higher resolution screen
Autofocus Faster autofocus Phase detection vs Contrast detection
Help
 Catch candid moments easily
Movie format Shoots movies 1080p @ 30fps vs None
Help
 Shoots Full HD (1080p) video as well as still pictures
Screen flips out Has a flip-out screen Yes vs No
Help
 Flip-out screens can be helpful when composing tricky shots or taking movies
Size Much smaller 133x99x79 mm vs 150x160x80 mm
Help
 Around 50% smaller
Lens availability More lenses available 162 lenses vs 125 lenses
Help
 Around 30% more lenses available
Weight Much lighter 570 g vs 1,385 g
Help
 2.4x lighter
Lowest price Much cheaper $618.94 vs $9,136.74
Help
 The best price we've seen is $8,518 cheaper (14.8x less)
Light sensitivity Better maximum light sensitivity 6,400 ISO vs 1,600 ISO
Help
 The T3i's maximum light sensitivity is 2 f-stops better
Built-in flash Built-in flash Yes vs No
Help
 A built-in flash is useful for taking indoor shots where there is little light
Light sensitivity (boost) Better boost ISO 12,800 ISO vs 3,200 ISO
Help
 The T3i's boost ISO is 2 f-stops better
Canon Rebel T3i Learn more about
the Canon T3i

Advantages of the Canon EOS-1Ds
Overall image quality Significantly better image quality 80.0 vs 65.0
Help
 More than 20% better image quality
Low light performance Lower noise at high ISO 1,663 ISO vs 793 ISO
Help
 The EOS-1Ds has excellent image quality 1.1 f-stops higher ISO than the T3i
Color depth Better color depth 24 bits vs 22.1 bits
Help
 Distinguishes 1.9 more bits of color
Viewfinder size Much larger viewfinder 0.76x vs 0.53x
Help
 More than 2x larger viewfinder
Dynamic range More dynamic range 12 EV vs 11.5 EV
Help
 0.5 f-stops more dynamic range
Sensor size Much larger sensor Full frame 36.0x24.0mm vs APS-C 22.3x14.9mm
Help
 More than 2.5x larger sensor
Weather sealed Weather sealed Yes vs No
Help
 Sealed to shoot in the rain
Focus points Significantly more focus points 45 vs 9
Help
 Set focus accurately within the frame
Cross type focus points Significantly more cross-type focus points 19 vs 1
Help
 Grab focus in difficult situations
Viewfinder coverage Much better viewfinder coverage 100% vs 95%
Help
 Around 10% better viewfinder coverage
True resolution Higher true resolution 21 MP vs 17.9 MP
Help
 Capture around 20% more detail in your photos
Viewfinder Has a pentaprism viewfinder Pentaprism vs Pentamirror
Help
 Pentaprism viewfinders are typically brighter
Storage slots Has more storage slots 2 vs 1
Help
 More slots allows storing more images without switching memory cards
Continuous shooting Shoots faster 5 fps vs 3.7 fps
Help
 Around 40% faster continuous shooting
Fastest shutter speed Much faster max shutter speed 1/8000s vs 1/4000s
Help
 2x faster max shutter speed
Canon EOS-1Ds Mark III Learn more about
the Canon EOS-1Ds
vs

recommendations

Relative to the best recent DSLRs, and ignoring price

Canon Rebel T3i Canon Rebel T3i
53 vs 66
Explain scores
Canon EOS-1Ds Canon EOS-1Ds Mark III
Green arrow Snapsort recommends the Canon EOS-1Ds Mark III. This recommendation, however, should be taken with a grain of salt since it doesn't always make sense to compare a entry-level DSLR with a pro DSLR.

advice

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similarities

Compared to recent DSLRs

Common Strengths Common Weaknesses

Snapsort is not aware of any interesting strengths shared by these two products.
Light sensitivity (boost) Poor boost ISO Help
T3i:12,800 ISO
EOS-1Ds:3,200 ISO
Autofocus No video autofocus Help
Manual focus only
HDR Neither has in-camera HDR Help
You could do HDR manually
Image stabilization No image stabilization Help
Risk of blur
Panorama Neither camera stitches together panoramas Help
You could stitch photos in post
3D Neither camera can take 3D photos Help
No 3d support
Light sensitivity Poor maximum light sensitivity Help
T3i:6,400 ISO
EOS-1Ds:1,600 ISO
Continuous shooting Slow continuous shooting Help
T3i:3.7 fps
EOS-1Ds:5 fps

dxomark

DXOMark

competitors

Shared Competitors

Advantages

Disadvantages
Nikon D5100

Nikon D5100

Entry-level DSLR

$500 - $597 body only

$600 - $697 with 18-55mm lens
Dynamic range Has slightly wider dynamic range
Startup delay Has significantly less startup delay
Fastest shutter speed Has a slower max shutter speed
Lens focus motor Doesn't have a built-in focus motor
Compare the D5100 vs the Rebel T3i
Compare the D5100 vs the EOS-1Ds
Canon EOS Rebel T2i

Canon Rebel T2i

Entry-level DSLR

$544 - $949 body only

$649 - $867 with 18-55mm lens
Startup delay Has significantly less startup delay
Size Is slightly smaller
Fastest shutter speed Has a slower max shutter speed
Compare the Rebel T2i vs the Rebel T3i
Compare the Rebel T2i vs the EOS-1Ds
Canon EOS 60D

Canon EOS 60D

Pro DSLR

$848 - $1,304 body only

$1,177 - $1,342 with 18-135mm lens
Battery life Has a slightly longer battery life
Weight Is slightly heavier
Compare the EOS 60D vs the Rebel T3i
Compare the EOS 60D vs the EOS-1Ds
Canon EOS 7D

Canon EOS 7D

Pro DSLR

$1,549 - $1,821 body only

$1,500 - $1,849 with 18-135mm lens
Continuous shooting Shoots faster continuously
Shutter lag Has significantly less shutter lag
Weight Is slightly heavier
Compare the EOS 7D vs the Rebel T3i
Compare the EOS 7D vs the EOS-1Ds
Nikon D7000

Nikon D7000

Entry-level DSLR

$1,000 - $1,197 body only

$1,100 with 55-200mm lens
Dynamic range Has slightly wider dynamic range
Startup delay Has significantly less startup delay
Weight Is slightly heavier
Compare the D7000 vs the Rebel T3i
Compare the D7000 vs the EOS-1Ds
Canon EOS 5D Mark II

Canon EOS 5D Mark II

Pro DSLR

$2,198 body only

$2,898 - $2,999 with 24-105mm lens
Startup delay Has significantly less startup delay
Shutter lag Has slightly less shutter lag
Lowest price Is slightly more expensive
Weight Is slightly heavier
Compare the EOS 5D Mark II vs the Rebel T3i
Compare the EOS 5D Mark II vs the EOS-1Ds
Canon EOS 50D

Canon EOS 50D

Pro DSLR

$1,282 - $1,330 body only
Startup delay Has significantly less startup delay
Shutter lag Has significantly less shutter lag
Weight Is slightly heavier
True resolution Takes slightly lower resolution photos
Compare the EOS 50D vs the Rebel T3i
Compare the EOS 50D vs the EOS-1Ds

Canon Rebel T3i Competitors

Advantages

Disadvantages
Canon Rebel T3

Canon Rebel T3

Entry-level DSLR

$330 body only

$489 - $500 with 18-55mm lens
Battery life Longer battery life
Weight Lighter
Screen resolution Much lower resolution screen
Screen size Much smaller screen
Compare the Rebel T3 vs the Rebel T3i
Nikon D3100

Nikon D3100

Entry-level DSLR

$500 - $547 with 18-55mm lens
Startup delay Significantly less startup delay
Color depth Better color depth
Screen resolution Much lower resolution screen
External mic jack Lacks an external mic jack
Compare the D3100 vs the Rebel T3i
Nikon D3200

Nikon D3200

Entry-level DSLR

$699 - $700 with 18-55mm lens
True resolution Significantly higher true resolution
Autofocus Video autofocus
Screen flips out Screen does not flip out
Lens focus motor Doesn't have a built-in focus motor
Compare the D3200 vs the Rebel T3i

Canon EOS-1Ds Mark III Competitors

Advantages

Disadvantages
Canon EOS-1D Mark IV

Canon EOS-1D Mark IV

Pro DSLR

$5,000 - $5,930 body only
Screen resolution Much higher resolution screen
Autofocus Faster autofocus
Viewfinder size Much smaller viewfinder
Overall image quality Worse image quality
Compare the EOS-1D Mark IV vs the EOS-1Ds
Canon EOS 5D Mark III

Canon EOS 5D Mark III

Pro DSLR

$3,499 - $3,500 body only

$4,299 - $4,300 with 24-105mm lens
Screen resolution Much higher resolution screen
Autofocus Faster autofocus
Dynamic range Less dynamic range
Viewfinder size Smaller viewfinder
Compare the EOS 5D Mark III vs the EOS-1Ds
Nikon D3X

Nikon D3X

Pro DSLR

$7,997 - $8,000 body only
Screen resolution Much higher resolution screen
Autofocus Faster autofocus
Sensor cleaning Lacks a self cleaning sensor
Viewfinder size Smaller viewfinder
Compare the D3X vs the EOS-1Ds
Nikon D800

Nikon D800

Pro DSLR

$2,999 - $3,000 body only
Low light performance Significantly lower noise at high ISO
Overall image quality Significantly better image quality
Viewfinder size Smaller viewfinder
Continuous shooting Shoots slower
Compare the D800 vs the EOS-1Ds
Canon EOS 1D X

Canon EOS 1D X

Pro DSLR

$6,799 - $6,800 body only
Screen resolution Much higher resolution screen
Light sensitivity Better maximum light sensitivity
True resolution Lower true resolution
Size Larger
Compare the EOS 1D X vs the EOS-1Ds

appearance

Canon Rebel T3i Canon EOS-1Ds Mark III
Canon Rebel T3i Canon EOS-1Ds Mark III
Canon Rebel T3i Canon EOS-1Ds Mark III

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