Canon 40D

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.

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

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

You can see the 40D from various angles in the gallery below.

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

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.

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

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.

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

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

Irix 45mm F1.445mmf/1.4925g

Canon EF 28-135mm f3.5-5.6 IS USM28-135mmf/3.5-5.6 540g

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Samyang 50mm F1.4 AS UMC50mmf/1.4535g

Tokina AT-X 16.5-135mm f3.5-5.6 DX17-135mmf/3.5-5.6 610g

Canon EF 100-400mm f4.5-5.6L IS II USM100-400mmf/4.5-5.6 1590g

Canon EF 35-80mm f4.0-5.6 III35-80mmf/4.0-5.6 175g

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Sigma 150-600mm F5-6.3 DG OS HSM S150-600mmf/5-6.3 2860g

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.

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

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.

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.

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

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

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.

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
40D vs D7802260 yesnoyes

Nikon D850
40D vs D8501840 yesyesyes

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Nikon Df
40D vs Df1400 yesnono

Canon 90D
40D vs 90D1300 yesnoyes

Nikon D500
40D vs D5001240 yesyesyes

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

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.

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.

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.

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.

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.

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.

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.