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Canon 30D vs Nikon D70

The Canon EOS 30D and the Nikon D70 are two digital cameras that were officially introduced, respectively, in February 2006 and January 2004. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Canon has a resolution of 8.2 megapixels, whereas the Nikon provides 6 MP. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.

Headline Specifications
Canon 30D   Nikon D70
Canon 30D Nikon D70
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Nikon F mount lenses
8.2 MP, APS-C Sensor 6 MP, APS-C Sensor
no Video no Video
ISO 100-1600 (100-3200) ISO 200-1600
Optical viewfinder Optical viewfinder
2.5" LCD, 230k dots 1.8" LCD, 130k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
5 shutter flaps per second 3 shutter flaps per second
750 shots per battery charge400 shots per battery charge
144 x 106 x 74 mm, 785 g 140 x 111 x 78 mm, 679 g

Body comparison: Canon 30D vs Nikon D70

The side-by-side display below illustrates the physical size and weight of the Canon 30D and the Nikon D70. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

Compare Canon 30D and Nikon D70
Compare 30D versus D70 top
Compare 30D or D70 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D70 is somewhat larger (2 percent) than the Canon 30D. However, the D70 is markedly lighter (14 percent) than the 30D. In this context, it is worth noting that neither the 30D nor the D70 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. Yet, since both cameras are based around an APS-C sensor, their respective lenses will tend to have similar dimensions and heft. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (30D) and the Nikon Lens Catalog (D70).

Concerning battery life, the 30D gets 750 shots out of its BP-511A battery, while the D70 can take 400 images on a single charge of its EN-EL3 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 30D» 5.7 in 4.2 in 2.9 in 27.7 oz 750 n Feb 2006 1,399- i Canon 30D
Nikon D70« 5.5 in 4.4 in 3.1 in 24.0 oz 400 n Jan 2004 999- i Nikon D70
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199- i Canon 70D
Canon 60D« » 5.7 in 4.2 in 3.1 in 26.6 oz 1100 Y Aug 2010 1,399- i Canon 60D
Canon 7D« » 5.8 in 4.4 in 2.9 in 30.3 oz 800 Y Sep 2009 1,699- i Canon 7D
Canon 50D« » 5.7 in 4.3 in 2.9 in 29.0 oz 800 Y Aug 2008 1,299- i Canon 50D
Canon 40D« » 5.7 in 4.3 in 2.9 in 29.0 oz 750 n Aug 2007 1,299- i Canon 40D
Canon XTi« » 5.0 in 3.3 in 2.6 in 19.6 oz 370 n Aug 2006 799- i Canon XTi
Canon XT« » 5.0 in 3.7 in 2.5 in 19.0 oz 400 n Feb 2005 899- i Canon XT
Canon 20D« » 5.7 in 4.2 in 2.8 in 27.2 oz 700 n Aug 2004 1,499- i Canon 20D
Canon 10D« » 5.9 in 4.2 in 3.0 in 30.0 oz 500 n Feb 2003 1,999- i Canon 10D
Canon Rebel« » 5.6 in 3.9 in 2.8 in 22.9 oz 400 n Aug 2003 899- i Canon Rebel
Nikon D80« » 5.2 in 4.1 in 3.0 in 23.6 oz 600 n Aug 2006 999- i Nikon D80
Nikon D50« » 5.2 in 4.0 in 3.0 in 21.9 oz 400 n Apr 2005 749- i Nikon D50
Nikon D70s« » 5.5 in 4.4 in 3.1 in 24.0 oz 500 n Apr 2005 899- i Nikon D70s
Nikon D100« » 5.7 in 4.6 in 3.2 in 27.5 oz 370 n Feb 2002 1,999- i Nikon D100

Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The D70 was launched at a markedly lower price (by 29 percent) than the 30D, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon 30D vs Nikon D70

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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 D70 is 9 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (30D) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 30D and Nikon D70 sensor measures

Despite having a smaller sensor, the Canon 30D offers a higher resolution of 8.2 megapixels, compared with 6 MP of the Nikon D70. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 6.42μm versus 7.85μm for the D70). However, it should be noted that the 30D is much more recent (by 2 years) than the D70, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The Canon EOS 30D 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 Nikon D70 are ISO 200 to ISO 1600 (no boost).

30D versus D70 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the 30D has a notably higher overall DXO score than the D70 (overall score 9 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 1.1 bits higher color depth, 0.5 EV in additional dynamic range, and 0.5 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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 30D» APS-C 8.2 3504 2336-21.510.873659Canon 30D
Nikon D70« APS-C 6.0 3008 2000-20.410.352950Nikon D70
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
Canon 60D« » APS-C 17.9 5184 34561080/30p22.211.581366Canon 60D
Canon 7D« » APS-C 17.9 5184 34561080/30p22.011.785466Canon 7D
Canon 50D« » APS-C 15.1 4752 3168-21.811.469663Canon 50D
Canon 40D« » APS-C 10.1 3888 2592-22.111.370364Canon 40D
Canon XTi« » APS-C 10.1 3888 2592-22.111.066462Canon XTi
Canon XT« » APS-C 8.0 3456 2304-21.810.863760Canon XT
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 Rebel« » APS-C 6.3 3072 2048-21.010.854455Canon Rebel
Nikon D80« » APS-C 10.0 3872 2592-22.111.252461Nikon D80
Nikon D50« » APS-C 6.0 3008 2000-20.910.856055Nikon D50
Nikon D70s« » APS-C 6.0 3008 2000-20.410.352950Nikon D70s
Nikon D100« » APS-C 6.0 3008 2000-----Nikon D100
Neither the 30D nor the D70 offer Live View, so that they cannot project the live image that the sensor receives onto the rear screen. Moreover, both cameras are still-image focused and cannot record videos.
 

Feature comparison: Canon 30D vs Nikon D70

Apart from body and sensor, cameras can and do differ across a variety of features. The 30D and the D70 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 table below summarizes some of the other core capabilities of the Canon 30D and Nikon D70 in connection with corresponding information for a sample of similar 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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
Canon 30D»optical Y 2.5 230 fixed n 8000 5.0 Y n Canon 30D
Nikon D70«optical n 1.8 130 fixed n 8000 3.0 Y n Nikon D70
Canon 70D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 70D
Canon 60D« »optical Y 3.0 1040 swivel n 8000 5.3 Y n Canon 60D
Canon 7D« »optical Y 3.0 920 fixed n 8000 8.0 Y n Canon 7D
Canon 50D« »optical Y 3.0 920 fixed n 8000 6.3 Y n Canon 50D
Canon 40D« »optical Y 3.0 230 fixed n 8000 6.5 Y n Canon 40D
Canon XTi« »optical n 2.5 230 fixed n 4000 3.0 Y n Canon XTi
Canon XT« »optical n 1.8 115 fixed n 4000 3.0 Y n Canon XT
Canon 20D« »optical Y 1.8 118 fixed n 8000 5.0 Y n Canon 20D
Canon 10D« »optical Y 1.8 118 fixed n 4000 3.0 Y n Canon 10D
Canon Rebel« »optical n 1.8 118 fixed n 4000 2.5 Y n Canon Rebel
Nikon D80« »optical n 2.5 230 fixed n 4000 3.0 Y n Nikon D80
Nikon D50« »optical n 2.0 130 fixed n 4000 2.5 Y n Nikon D50
Nikon D70s« »optical n 2.0 130 fixed n 8000 3.0 Y n Nikon D70s
Nikon D100« »optical Y 1.8 118 fixed n 4000 3.0 Y n Nikon D100

One feature that is present on the 30D, but is missing on the D70 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

Concerning the storage of imaging data, both the 30D and the D70 write their files to Compact Flash cards.

 

Connectivity comparison: Canon 30D vs Nikon D70

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 30D and Nikon D70 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 30D»Y-----2.0---Canon 30D
Nikon D70«Y-----1.0---Nikon D70
Canon 70D« »YstereomonoY-mini2.0Y--Canon 70D
Canon 60D« »YmonomonoY-mini2.0---Canon 60D
Canon 7D« »Ymono-Y-mini2.0---Canon 7D
Canon 50D« »Y----mini2.0---Canon 50D
Canon 40D« »Y-----2.0---Canon 40D
Canon XTi« »Y-----2.0---Canon XTi
Canon XT« »Y-----2.0---Canon XT
Canon 20D« »Y-----1.1---Canon 20D
Canon 10D« »Y-----1.1---Canon 10D
Canon Rebel« »Y-----1.1---Canon Rebel
Nikon D80« »Y-----2.0---Nikon D80
Nikon D50« »Y-----2.0---Nikon D50
Nikon D70s« »Y-----2.0---Nikon D70s
Nikon D100« »Y-----1.1---Nikon D100

Studio photographers will appreciate that the Canon 30D (unlike the D70) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 30D and the D70 have been discontinued, but can regularly be found used on eBay. The D70 was replaced by the Nikon D70s, while the 30D was followed by the Canon 40D.


Review summary: Canon 30D vs Nikon D70

So how do things add up? Is the Canon 30D better than the Nikon D70 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon EOS 30D:

  • More detail: Offers more megapixels (8.2 vs 6MP) with a 17% higher linear resolution.
  • Better image quality: Scores markedly higher (9 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.1 bits more color depth).
  • Better low-light sensitivity: Requires less light for good images (0.5 stops ISO advantage).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (2.5" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (230k vs 130k dots).
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (750 versus 400) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More modern: Reflects 2 years of technical progress since the D70 launch.

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Reasons to prefer the Nikon D70:

  • Less heavy: Has a lower weight (by 106g or 14 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (29 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in January 2004).

If the count of relative strengths (bullet points above) is taken as a measure, the 30D is the clear winner of the match-up (12 : 3 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

30D 12:03 D70

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 handling experience and imaging performance when actually working with the 30D or the D70. 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: Canon 30D vs Nikon D70

This is why hands-on reviews by experts are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

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 30D»HiRecHiRecrevrev- Feb 2006 1,399- i Canon 30D
Nikon D70«-HiRec-rev- Jan 2004 999- i Nikon D70
Canon 70D« »HiRec83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
Canon 60D« »Rec79/1004/55/54.5/5 Aug 2010 1,399- i Canon 60D
Canon 7D« »HiRec84/1004.5/55/54.5/5 Sep 2009 1,699- i Canon 7D
Canon 50D« »HiRecHiRec4.5/55/54.5/5 Aug 2008 1,299- i Canon 50D
Canon 40D« »HiRecHiRec4.5/5rev4.5/5 Aug 2007 1,299- i Canon 40D
Canon XTi« »HiRecHiRecrev4.5/54/5 Aug 2006 799- i Canon XTi
Canon XT« »80/100HiRecrevrev- Feb 2005 899- i Canon XT
Canon 20D« »-HiRec-rev- Aug 2004 1,499- i Canon 20D
Canon 10D« »-HiRec-rev- Feb 2003 1,999- i Canon 10D
Canon Rebel« »-HiRec-rev- Aug 2003 899- i Canon Rebel
Nikon D80« »RecHiRecrev4.5/54.5/5 Aug 2006 999- i Nikon D80
Nikon D50« »78/100HiRec4/5rev4.5/5 Apr 2005 749- i Nikon D50
Nikon D70s« »---rev5/5 Apr 2005 899- i Nikon D70s
Nikon D100« »-HiRecrevrev- Feb 2002 1,999- i Nikon D100

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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 30D:
Check Ebay offers
Nikon D70:
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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon 30D vs Nikon D70

    Camera Specifications
    Camera Model Canon 30D Nikon D70
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Nikon F mount lenses
    Launch Date February 2006 January 2004
    Launch Price USD 1399 USD 999
    Sensor Specs
    Sensor Technology CMOS CCD
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.5 x 15.0 mm 23.7 x 15.0 mm
    Sensor Area 337.5 mm2 369.72 mm2
    Sensor Diagonal 27 mm 28.4 mm
    Crop Factor 1.6x 1.5x
    Sensor Resolution 8.2 Megapixels 6 Megapixels
    Image Resolution 3504 x 2336 pixels 3008 x 2000 pixels
    Pixel Pitch 6.42 μm 7.85 μm
    Pixel Density 2.43 MP/cm2 1.63 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video no Video
    ISO Setting 100-1600 ISO 200-1600 ISO
    ISO Boost 100-3200 ISO no Enhancement
    DXO Sensor Quality (score) 59 50
    DXO Color Depth (bits) 21.5 20.4
    DXO Dynamic Range (EV) 10.8 10.3
    DXO Low Light (ISO) 736 529
    Screen Specs
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.56x 0.50x
    Top-Level Screen Control Panel no Top Display
    Rear LCD Size 2.5 inch 1.8 inch
    LCD Resolution 230k dots 130k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs
    Autofocus System Phase-detect AF Phase-detect AF
    Maximum Shutter Speed 1/8000s 1/8000s
    Continuous Shooting 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
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 1.0
    HDMI Port no HDMI no HDMI
    Wifi Support no Wifi no Wifi
    Body Specs
    Battery Type BP-511A power pack EN-EL3 power pack
    Battery Life (CIPA)750 shots per charge400 shots per charge
    Body Dimensions 144 x 106 x 74 mm
    (5.7 x 4.2 x 2.9 in)
    140 x 111 x 78 mm
    (5.5 x 4.4 x 3.1 in)
    Camera Weight 785 g (27.7 oz) 679 g (24.0 oz)

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