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Canon 40D vs Canon D30

The Canon EOS 40D and the Canon EOS-D30 are two digital cameras that were revealed to the public, respectively, in August 2007 and May 2000. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The 40D has a resolution of 10.1 megapixels, whereas the Canon D30 provides 3.1 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 40D   Canon D30
Canon 40D Canon D30
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
10.1 MP, APS-C Sensor 3.1 MP, APS-C Sensor
no Video no Video
ISO 100-1600 (100-3200) ISO 100-1600
Optical viewfinder Optical viewfinder
3.0" LCD, 230k dots 1.8" LCD, 114k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
6.5 shutter flaps per second 3 shutter flaps per second
750 shots per battery charge540 shots per battery charge
146 x 108 x 74 mm, 822 g 150 x 107 x 75 mm, 750 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 40D and the Canon EOS-D30? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Canon 40D and the Canon D30 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon 40D vs Canon D30
Compare 40D versus Canon D30 top
Comparison 40D or Canon D30 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon D30 is somewhat larger (2 percent) than the Canon 40D. However, the Canon D30 is markedly lighter (9 percent) than the 40D. In this context, it is worth noting that neither the 40D nor the Canon D30 are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 40D gets 750 shots out of its BP-511A battery, while the Canon D30 can take 540 images on a single charge of its BP-511 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon 40D» 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299- i Canon 40D
 
Canon D30« 150 mm 107 mm 75 mm 750 g 540 n May 2000 2,999- i Canon D30
 
Canon 70D« » 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199- i Canon 70D
 
Canon 1100D« » 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449- i Canon 1100D
 
Canon 60D« » 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399- i Canon 60D
 
Canon 50D« » 146 mm 108 mm 74 mm 822 g 800 Y Aug 2008 1,299- i Canon 50D
 
Canon 450D« » 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799- i Canon 450D
 
Canon 30D« » 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 1,399- i Canon 30D
 
Canon 400D« » 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799- i Canon 400D
 
Canon 20D« » 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 1,499- i Canon 20D
 
Canon 10D« » 150 mm 107 mm 75 mm 850 g 500 n Feb 2003 1,999- i Canon 10D
 
Canon D60« » 150 mm 107 mm 75 mm 855 g 620 n Feb 2002 2,999- i Canon D60
 
Nikon D90« » 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299- i Nikon D90
 
Olympus E-30« » 142 mm 108 mm 75 mm 701 g 750 n Nov 2008 1,299- i Olympus E-30
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The 40D was launched at a markedly lower price (by 57 percent) than the Canon D30, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

 

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the Canon D30 is 1 percent smaller. They nevertheless have the same format factor of 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of underlying technology, both cameras are build around CMOS sensors.

Canon 40D and Canon D30 sensor measures

With 10.1MP, the 40D offers a higher resolution than the Canon D30 (3.1MP), but the 40D has smaller individual pixels (pixel pitch of 5.73μm versus 10.29μm for the Canon D30). However, the 40D is a much more recent model (by 7 years and 3 months) than the Canon D30, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon 40D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 40D for good quality output (200 dots per inch) amounts to 19.4 x 13 inch or 49.4 x 32.9 cm, for very good quality (250 dpi) 15.6 x 10.4 inch or 39.5 x 26.3 cm, and for excellent quality (300 dpi) 13 x 8.6 inch or 32.9 x 21.9 cm. The corresponding values for the Canon D30 are 10.8 x 7.2 inch or 27.4 x 18.3 cm for good quality, 8.6 x 5.8 inch or 21.9 x 14.6 cm for very good quality, and 7.2 x 4.8 inch or 18.3 x 12.2 cm for excellent quality prints.

The Canon EOS 40D has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Canon EOS-D30 are ISO 100 to ISO 1600 (no boost).

40D versus Canon D30 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon 40D» APS-C 10.1 3888 2592-22.111.370364Canon 40D
 
Canon D30« APS-C 3.1 2160 1440-----Canon D30
 
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
 
Canon 1100D« » APS-C 12.2 4272 2848720/30p21.911.075562Canon 1100D
 
Canon 60D« » APS-C 17.9 5184 34561080/30p22.211.581366Canon 60D
 
Canon 50D« » APS-C 15.1 4752 3168-21.811.469663Canon 50D
 
Canon 450D« » APS-C 12.2 4272 2848-21.910.869261Canon 450D
 
Canon 30D« » APS-C 8.2 3504 2336-21.510.873659Canon 30D
 
Canon 400D« » APS-C 10.1 3888 2592-22.111.066462Canon 400D
 
Canon 20D« » APS-C 8.2 3504 2336-21.911.072162Canon 20D
 
Canon 10D« » APS-C 6.3 3072 2048-21.110.957157Canon 10D
 
Canon D60« » APS-C 6.3 3072 2048-----Canon D60
 
Nikon D90« » APS-C 12.2 4288 2848720/24p22.712.597773Nikon D90
 
Olympus E-30« » Four Thirds 12.2 4032 3024-21.310.453055Olympus E-30
The 40D offers Live View, so that it can project the live image that the sensor receives onto the rear screen for framing. The Canon D30 lacks this capability. Both cameras are still-image focused and cannot record videos.
 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 40D and the Canon D30 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (95%), but the viewfinder of the 40D has a higher magnification than the one of the Canon D30 (0.59x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon 40D, the Canon D30, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon 40D»optical Y 3.0 230 fixed n 1/8000s 6.5 Y n Canon 40D
 
Canon D30«optical Y 1.8 114 fixed n 1/4000s 3.0 Y n Canon D30
 
Canon 70D« »optical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 70D
 
Canon 1100D« »optical n 2.7 230 fixed n 1/4000s 3.0 Y n Canon 1100D
 
Canon 60D« »optical Y 3.0 1040 swivel n 1/8000s 5.3 Y n Canon 60D
 
Canon 50D« »optical Y 3.0 920 fixed n 1/8000s 6.3 Y n Canon 50D
 
Canon 450D« »optical n 3.0 230 fixed n 1/4000s 3.5 Y n Canon 450D
 
Canon 30D« »optical Y 2.5 230 fixed n 1/8000s 5.0 Y n Canon 30D
 
Canon 400D« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Canon 400D
 
Canon 20D« »optical Y 1.8 118 fixed n 1/8000s 5.0 Y n Canon 20D
 
Canon 10D« »optical Y 1.8 118 fixed n 1/4000s 3.0 Y n Canon 10D
 
Canon D60« »optical Y 1.8 114 fixed n 1/4000s 3.0 Y n Canon D60
 
Nikon D90« »optical Y 3.0 920 fixed n 1/4000s 4.5 Y n Nikon D90
 
Olympus E-30« »optical Y 2.7 230 swivel n 1/8000s 5.0 Y Y Olympus E-30

Concerning the storage of imaging data, both the 40D and the Canon D30 write their files to Compact Flash cards.

 

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS 40D and Canon EOS-D30 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon 40D»Y-----2.0---Canon 40D
 
Canon D30«Y-----1.0---Canon D30
 
Canon 70D« »YstereomonoY-mini2.0Y--Canon 70D
 
Canon 1100D« »Ystereomono--mini2.0---Canon 1100D
 
Canon 60D« »YmonomonoY-mini2.0---Canon 60D
 
Canon 50D« »Y----mini2.0---Canon 50D
 
Canon 450D« »Y----mini2.0---Canon 450D
 
Canon 30D« »Y-----2.0---Canon 30D
 
Canon 400D« »Y-----2.0---Canon 400D
 
Canon 20D« »Y-----1.1---Canon 20D
 
Canon 10D« »Y-----1.1---Canon 10D
 
Canon D60« »Y-----1.1---Canon D60
 
Nikon D90« »Ymonomono--mini2.0---Nikon D90
 
Olympus E-30« »Y-----2.0---Olympus E-30

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the 40D and the Canon D30 have been discontinued, but can regularly be found used on eBay. The Canon D30 was replaced by the Canon D60, while the 40D was followed by the Canon 50D. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.


Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 40D and the Canon D30? Which camera is better? The listing below highlights the relative strengths of the two models.


Reasons to prefer the Canon EOS 40D:

  • More detail: Offers more megapixels (10.1 vs 3.1MP) with a 80% higher linear resolution.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.59x vs 0.54x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (230k vs 114k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6.5 vs 3 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (750 versus 540) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.0).
  • More affordable: Was introduced into a lower priced category (57 percent cheaper at launch).
  • More modern: Reflects 7 years and 3 months of technical progress since the Canon D30 launch.


Arguments in favor of the Canon EOS-D30:

  • More heavily discounted: Has been around for much longer (launched in May 2000).

If the count of individual advantages (bullet points above) is taken as a guide, the 40D is the clear winner of the match-up (10 : 1 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

40D 10:01 Canon D30

How about other alternatives? Do the specifications of the Canon 40D and the Canon D30 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 40D or the Canon D30. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon 40D»+ ++ +4.5/5o4.5/5 Aug 2007 1,299- i Canon 40D
 
Canon D30«-+ +--- May 2000 2,999- i Canon D30
 
Canon 70D« »+ +83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
 
Canon 1100D« »80/10069/1004/54/54.5/5 Feb 2011 449- i Canon 1100D
 
Canon 60D« »+79/1004/55/54.5/5 Aug 2010 1,399- i Canon 60D
 
Canon 50D« »+ ++ +4.5/55/54.5/5 Aug 2008 1,299- i Canon 50D
 
Canon 450D« »+ ++ +4/55/54.5/5 Jan 2008 799- i Canon 450D
 
Canon 30D« »+ ++ +oo- Feb 2006 1,399- i Canon 30D
 
Canon 400D« »+ ++ +o4.5/54/5 Aug 2006 799- i Canon 400D
 
Canon 20D« »-+ +-o- Aug 2004 1,499- i Canon 20D
 
Canon 10D« »-+ +-o- Feb 2003 1,999- i Canon 10D
 
Canon D60« »-+ +o-- Feb 2002 2,999- i Canon D60
 
Nikon D90« »+ ++ +4/55/54.5/5 Aug 2008 1,299- i Nikon D90
 
Olympus E-30« »-71/1004.5/5-4/5 Nov 2008 1,299- i Olympus E-30
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Canon 40D:
Check Ebay offers
Canon D30:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Canon 40D vs Canon D30

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon 40D Canon D30
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date August 2007 May 2000
    Launch Price USD 1299 USD 2999
    Sensor Specs Canon 40D Canon D30
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 22.0 x 14.9 mm
    Sensor Area 332.27 mm2 327.8 mm2
    Sensor Diagonal 26.8 mm 26.6 mm
    Crop Factor 1.6x 1.6x
    Sensor Resolution 10.1 Megapixels 3.1 Megapixels
    Image Resolution 3888 x 2592 pixels 2160 x 1440 pixels
    Pixel Pitch 5.73 μm 10.29 μm
    Pixel Density 3.03 MP/cm2 0.95 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video no Video
    ISO Setting 100-1600 ISO 100-1600 ISO
    ISO Boost 100-3200 ISO no Enhancement
    DXO Sensor Quality (score) 64 ..
    DXO Color Depth (bits) 22.1 ..
    DXO Dynamic Range (EV) 11.3 ..
    DXO Low Light (ISO) 703 ..
    Screen Specs Canon 40D Canon D30
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.59x 0.54x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0 inch 1.8 inch
    LCD Resolution 230k dots 114k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 40D Canon D30
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 6.5 shutter flaps/s 3 shutter flaps/s
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium CF cards CF cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Canon 40D Canon D30
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 1.0
    HDMI Port no HDMI no HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Canon 40D Canon D30
    Battery Type BP-511A BP-511
    Battery Life (CIPA)750 shots per charge540 shots per charge
    Body Dimensions 146 x 108 x 74 mm
    (5.7 x 4.3 x 2.9 in)
    150 x 107 x 75 mm
    (5.9 x 4.2 x 3.0 in)
    Camera Weight 822 g (29.0 oz) 750 g (26.5 oz)

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