Canon 40D

Canon EOS 40D front

Canon 40D overview

Canon 40D is Canon's Advanced DSLR camera initially released on October of 2007. The camera comes with a 10MP, CMOS APS-C sized sensor and has a maximum resolution of 3888 x 2592.

Canon launched this camera as a way to improve the older Canon 30D (Read Full Comparison) & afterwards launched the more recent Canon 50D (Read Full Comparison) to improve this camera.

The 40D is ranked #60 out of 92 in Advanced DSLR cameras & all-around #450 out of 1465 for cameras in our list. Remember to check out our Smart camera filter to find camera listings based on your customized requirements.

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The following is a graph of different criteria used in the scoring system.

Canon 40D family

The Canon 40D is part of a family of products. You can see the full range below.

ModelVisualizeResolutionSensor SizeMax fpsReleased
Canon-EOS-90D front thumbnailCanon 90D
40D vs 90D
33MPAPS-C11.0 fps2019
Canon-EOS-80D front thumbnailCanon 80D
40D vs 80D
24MPAPS-C7.0 fps2016
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Canon-EOS-70D front thumbnailCanon 70D
40D vs 70D
20MPAPS-C7.0 fps2013
Canon-EOS-60D front thumbnailCanon 60D
40D vs 60D
18MPAPS-C5.0 fps2010
Canon-EOS-50D front thumbnailCanon 50D
40D vs 50D
15MPAPS-C6.3 fps2008
Canon-EOS-40D front thumbnailCanon 40D10MPAPS-C6.5 fps2007
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Canon-EOS-30D front thumbnailCanon 30D
40D vs 30D
8MPAPS-C5.0 fps2006
Canon-EOS-20D front thumbnailCanon 20D
40D vs 20D
8MPAPS-C5.0 fps2004
Canon-EOS-10D front thumbnailCanon 10D
40D vs 10D
6MPAPS-C3.0 fps2003

Canon 40D Pros and Cons

Below is a checklist of positives and negatives of the Canon 40D based on factors that are typically viewed as essential in a camera.

built-in flash
builtin Top LCD display
comes with phase detect AF
decent sensor size (APS-C)
environment sealing
great min ISO (100)
has manual focus
high shutter speed (1/8,000 seconds)
pretty good screen size (3")
saves RAW formats
switch lenses (Canon EF/EF-S mount)
display is not selfie friendly
doesn't have HDMI out
doesn't have headphone support
doesn't have mic support
fixed screen
low MP (10MP)
no image stabilization
not so great battery (800 shots)
no video shooting
pixelated screen (230 thousand dots)
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Canon 40D Sensor details

The sensor dimension on the Canon 40D is 22.2mm x 14.8mm (APS-C). The 329 mm² sensor can resolve 3888 x 2592 pixels at aspect ratios of 3:2.

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The CMOS sensor has 10MP and gives a native ISO range of 100 to 1600. This ISO can be extended digitally to a high of 3200. RAW files are saved which means that you have wider margin for error.

The image below displays the 40D's sensor dimensions when compared to other common sizes. The 40D sensor has a crop factor of 1.6 and is displayed in green.

Canon EOS 40D sensor size Sora from OpenAI releases its first ever music video

To get an idea of various aspect ratios, you can refer to the visual below.

Camera sensor aspect ratios

Canon 40D dimensions

Canon 40D is 1.81 lb (822g / 29.00 oz) & has external proportions of 146mm x 108mm x 74mm (5.7" x 4.3" x 2.9"). The weight of normal Advanced DSLR camera is 776g and the Canon 40D is on par as compared to various competitors.

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The following is a photo of the Canon 40D with a soft drink to help you to get a feel for its scale.

Canon EOS 40D dimensions scale

The top view below will highlight the button arrangement on the 40D.

Canon EOS 40D topview buttons dials

Canon 40D Lens specs

The 40D fits the Canon EF/EF-S mount and has 331 lenses available. Below is some of the lenses we have in our database which will fit the 40D.

ModelVisualizeFocal LengthApertureStabilizedWeight
Sigma-105mm-F2.8-EX-DG-OS-HSM-Canon-EF lensSigma 105mm F2.8 EX DG OS HSM105mmf/2.8 726g
Canon-EF-50mm-f1.2L-USM lensCanon EF 50mm f1.2L USM50mmf/1.2 580g
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Samyang-24mm-f1.4-ED-AS-UMC-Canon-EF lensSamyang 24mm f1.4 ED AS UMC24mmf/1.4 580g
Canon-EF-S-55-250mm-f4-5.6-IS-STM lensCanon EF-S 55-250mm f4-5.6 IS STM55-250mmf/4.0-5.6 375g
Tamron-SP-90mm-F2.8-Di-VC-USD-1-1-Macro-Canon-EF lensTamron SP 90mm F2.8 Di VC USD 1-1 Macro90mmf/2.8 550g
Canon-EF-28mm-f2.8 lensCanon EF 28mm f2.828mmf/2.8 185g
Photography Glossary
Sigma-18-125mm-F3.8-5.6-DC-OS-HSM-Canon-EF lensSigma 18-125mm F3.8-5.6 DC OS HSM18-125mmf/3.8-5.6 490g
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Canon 40D Connectivity

The 40D has the following connectivity:

  • USB Yes

Cameras that have NFC and Bluetooth support can easily be controlled wirelessly through smartphones. You are able to copy photos and sometimes alter camera settings with no need to connect straight to the camera.

Many applications even stream a Liveview and click the shutter when you aren't close to the camera. If the camera contains a HDMI port, it could be connected to an external display. Nearly all cameras will allow you to charge the battery with the USB socket.

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Canon 40D Video specs

Canon 40D doesn't take video. If you are shopping for a camera to take only photos, this is not an issue.

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Canon 40D Weather Sealing

Canon 40D features environment sealing which makes it a good option for use in tough places. This can be especially handy whenever you are not sure about the conditions you may face in outdoor photography.

Canon 40D Display and Viewfinder

The Canon 40D comes with a 3 inch fixed display screen boasting a resolution of 230 thousand dots.

Sadly the display screen is not a touch screen. The 40D also has a Top LCD display so that you can quickly see the camera's settings.

Canon EOS 40D screen and viewfinder President Biden pushes bill mandating TikTok sale or ban

The ViewFinder details for Canon 40D are as follows:

  • ViewFinder Optical (pentaprism)
  • Coverage 95%
  • Magnification 0.6x

Viewfinders are really useful in bright outdoor conditions which will make the camera display washed out and hard to see.

Canon 40D Shutter specs

Canon 40D can shoot continuously at 6.5 frames/s. The max shutter speed is 1/8000 seconds.

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Canon 40D Flash and Hot shoe specs

Canon 40D has both built in flash together with external flash ability. The highest flash sync speed is 1/250 seconds.

Canon 40D Autofocus specs

Canon 40D has both Phase Detect Autofocus plus Contrast Based Autofocus. Phase Detection autofocusing is a lot more quicker & exact compared with Contrast Based autofocusing.

The Sensor comes with 9 focus points to pick from. Canon 40D has got manual focusing when required in low light or you want more accurate focusing control.

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Canon 40D Battery life

The battery for the Canon 40D is fashioned to last for 800 clicks with respect to the CIPA measurements which is lower as compared with it's rivals. The general Advanced DSLR camera battery life is 909. Nikon D780 comes with the highest possible (2260) battery life in this kind of cameras.

Following is a number of Advanced DSLR cameras that come with the highest battery life:

ModelVisualizeBattery LifeRAWNFCBluetooth
Nikon-D780 front thumbnailNikon D780
40D vs D780
2260 yesnoyes
Nikon-D850 front thumbnailNikon D850
40D vs D850
1840 yesyesyes
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Nikon-Df front thumbnailNikon Df
40D vs Df
1400 yesnono
Canon-EOS-90D front thumbnailCanon 90D
40D vs 90D
1300 yesnoyes
Nikon-D500 front thumbnailNikon D500
40D vs D500
1240 yesyesyes

Canon 40D for different categories of photography

The following diagram provides a overview of the Canon 40D for different categories of photography. To read more, check out the specific section below.

Canon 40D Portrait photography info

The Canon 40D gets a rating of 59 which is decent, meaning that it is somewhat suited for portrait photography. Photographing portraits leans heavily to sensor resolution, RAW support and option to work with external lighting.

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has manual focus
sensor size is nice (APS-C)
exports RAW formats
MP count low (10 megapixels)

Canon 40D as a Street photography camera

Coming in at a decent rating of 56, the Canon 40D is somewhat suitable to buy for street photography. A decent street photography camera features a perfect balance of picture quality and portability.

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nice sensor size (APS-C)
saves RAW formats
environment proof
fixed screen
lack of image stabilization

Sports photography with Canon 40D

A average sports photography rating of 53 means the Canon 40D is somewhat appropriate for shooting sports. A camera really should have excellent autofocus and shutter speeds for sports photography.

Photography Glossary
maximum shutter speed is high (1/8,000s)
sensor size is nice (APS-C)
environment sealing
supports phase detect AF
does not have image stabilization
sensor resolution low (10MP)
low battery power (800 per charge)

Canon 40D Travel photography information

Weight is really critical in selecting a travel camera. In general, the Canon 40D gets a reasonable 48 for a travel camera which makes it relatively adequate for your trips.

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environment sealing
has built in flash
bad battery pack (800 CIPA)
sensor resolution low (10MP)
display isn't selfie friendly

Canon 40D Landscape photography highlights

When you are looking to purchase a camera for landscape photographs, the most important aspect will no doubt be image quality. The Canon 40D with it's moderate score of 58 as a landscape camera is relatively adequate amongst it's competitors.

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manual focus
interchangeable lenses (Canon EF/EF-S mount)
screen size is good (3 inch)
sensor size is nice (APS-C)
delivers RAW files
weather proofing
no image stabilization
low megapixels (10 megapixels)
terrible battery life (800 per charge)

Canon 40D Vlogging info

A vlogging camera should come with a moving display, mic port and if possible image stabilization. Taking everything into account, the Canon 40D is simply not good as a vlog camera as it comes to a subpar rating of 9.

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can't shoot video

Canon 40D Alternatives

If you need replacements to the 40D, here is a collection of the top ranked cameras that fall under the family of Advanced DSLR.

The line graph followed below shows you an overview of the 40D vs it's highest scoring competitors listed previously.

Here are a few more cameras you may regard as alternate options. To see a full comparison, just click on the "compare" link.

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General Information
Brand Name
Model type
Canon EOS 40D
Advanced DSLR
Physical type
Mid-size SLR
Sensor Information
Sensor type
Sensor size
Sensor dimensions
22.2 x 14.8mm
Sensor surface area
Sensor resolution
Anti alias filter
Aspect ratio
Maximum resolution
3888 x 2592
RAW files
Maximum native ISO
Maximum boosted ISO
Min native ISO
Manual focusing
Touch to focus
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points
Lens mount type
Canon EF/EF-S
Available lenses
Focal length multiplier
Type of display
Fixed Type
Display sizing
Display resolution
230 thousand dots
Selfie friendly
Touch capability
Viewfinder Information
Viewfinder type
Optical (pentaprism)
Viewfinder coverage
Viewfinder magnification
DXO scores
DXO All around rating
DXO Color Depth rating
DXO Dynamic range rating
DXO Low light rating
Slowest shutter speed
30 seconds
Maximum shutter speed
1/8000 seconds
Continuous shooting rate
6.5 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation
Custom WB
Image stabilization
Integrated flash
Flash distance
12.00 m (ISO 100)
Flash options
Auto, On, Red-eye reduction, Off
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize
1/250 seconds
AF area
Center weighted
Video features
Maximum video resolution
Mic support
Headphone support
USB 2.0 (480 Mbit/sec)
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
822g (1.81 lb)
Physical dimensions
146 x 108 x 74mm (5.7" x 4.3" x 2.9")
Battery life
800 shots
Battery style
Battery Pack
Self timer
Yes (2 or 10 sec)
Time lapse feature
Storage type
Compact Flash (Type I or II)
Card slots
Retail pricing