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Canon 30D vs G7X Mark III

The Canon EOS 30D and the Canon PowerShot G7 X Mark III are two digital cameras that were officially introduced, respectively, in February 2006 and July 2019. The 30D is a DSLR, while the G7X Mark III is a fixed lens compact. The cameras are based on an APS-C (30D) and an one-inch (G7X Mark III) sensor. The 30D has a resolution of 8.2 megapixels, whereas the G7X Mark III provides 20 MP.

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

Headline Specifications
Canon 30D   VS Canon G7 X Mark III
Canon 30D Canon G7 X Mark III
Digital single lens reflex Fixed lens compact camera
Canon EF mount lenses 24-100mm f/1.8-2.8
8.2 MP, APS-C Sensor 20 MP, 1" Sensor
no Video 4K/30p Video
ISO 100-1600 (100-3200) ISO 125-12800 (125-25600)
Optical viewfinder No viewfinder, LCD framing
2.5" LCD, 230k dots 3.0" LCD, 1040k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
5 shutter flaps per second 30 shutter flaps per second
750 shots per battery charge235 shots per battery charge
144 x 106 x 74 mm, 785 g 105 x 61 x 41 mm, 304 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 30D and the Canon PowerShot G7 X Mark III? 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 side-by-side display below illustrates the physical size and weight of the Canon 30D and the Canon G7 X Mark III. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

The G7X Mark III can be obtained in two different colors (black, silver), while the 30D is only available in black.

Size Canon 30D vs Canon G7 X Mark III
Compare 30D versus G7X Mark III top
Comparison 30D or G7X Mark III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G7 X Mark III is considerably smaller (58 percent) than the Canon 30D. In this context, it is worth noting that neither the 30D nor the G7X Mark III are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G7X Mark III has a lens built in, whereas the 30D is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the 30D and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the 30D gets 750 shots out of its BP-511A battery, while the G7X Mark III can take 235 images on a single charge of its NB-13L power pack. The power pack in the G7X Mark III can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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)
Camera
Model
 
Canon 30D» 5.7 in 4.2 in 2.9 in 27.7 oz 750 n Feb 2006 1,399iCanon 30D
 
Canon G7 X Mark III« 4.1 in 2.4 in 1.6 in 10.7 oz 235 n Jul 2019 749 iCanon G7 X Mark III
 
Canon G5 X Mark II« » 4.4 in 2.4 in 1.8 in 12.0 oz 230 n Jul 2019 899 iCanon G5 X Mark II
 
Canon G7 X Mark II« » 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699iCanon G7 X Mark II
 
Canon G5 X« » 4.4 in 3.0 in 1.7 in 12.5 oz 210 n Oct 2015 799iCanon G5 X
 
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699iCanon G7 X
 
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199iCanon 70D
 
Canon 60D« » 5.7 in 4.2 in 3.1 in 26.6 oz 1100 Y Aug 2010 1,399iCanon 60D
 
Canon 7D« » 5.8 in 4.4 in 2.9 in 30.3 oz 800 Y Sep 2009 1,699iCanon 7D
 
Canon 50D« » 5.7 in 4.3 in 2.9 in 29.0 oz 800 Y Aug 2008 1,299iCanon 50D
 
Canon 40D« » 5.7 in 4.3 in 2.9 in 29.0 oz 750 n Aug 2007 1,299iCanon 40D
 
Canon XTi« » 5.0 in 3.3 in 2.6 in 19.6 oz 370 n Aug 2006 799iCanon XTi
 
Canon XT« » 5.0 in 3.7 in 2.5 in 19.0 oz 400 n Feb 2005 899iCanon XT
 
Canon 20D« » 5.7 in 4.2 in 2.8 in 27.2 oz 700 n Aug 2004 1,499iCanon 20D
 
Canon 10D« » 5.9 in 4.2 in 3.0 in 30.0 oz 500 n Feb 2003 1,999iCanon 10D
 
Canon Rebel« » 5.6 in 3.9 in 2.8 in 22.9 oz 400 n Aug 2003 899iCanon Rebel
 
Panasonic ZS200« » 4.4 in 2.6 in 1.8 in 12.0 oz 370 n Feb 2018 799 iPanasonic ZS200
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G7X Mark III was launched at a lower price than the 30D, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. 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

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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.

Of the two cameras under consideration, the Canon 30D features an APS-C sensor and the Canon G7 X Mark III an one-inch sensor. The sensor area in the G7X Mark III is 66 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the G7X Mark III uses a more advanced image processing engine (DIGIC 8) than the 30D (DIGIC 2), with benefits for noise reduction, color accuracy, and processing speed.

Canon 30D and Canon G7 X Mark III sensor measures

Despite having a smaller sensor, the G7X Mark III offers a higher resolution of 20 megapixels, compared with 8.2 MP of the 30D. 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 2.41μm versus 6.42μm for the 30D). However, it should be noted that the G7X Mark III is much more recent (by 13 years and 4 months) than the 30D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon G7 X Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G7X Mark III for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inch or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inch or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inch or 46.3 x 30.9 cm. The corresponding values for the Canon 30D are 17.5 x 11.7 inch or 44.5 x 29.7 cm for good quality, 14 x 9.3 inch or 35.6 x 23.7 cm for very good quality, and 11.7 x 7.8 inch or 29.7 x 19.8 cm for excellent quality prints.

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 Canon PowerShot G7 X Mark III are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 125-25600.

30D versus G7X Mark III 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"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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 2336none21.510.873659Canon 30D
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p........Canon G7 X Mark III
 
Canon G5 X Mark II 1-inch 20.0 5472 36484K/30p........Canon G5 X Mark II
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........Canon G7 X Mark II
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........Canon G5 X
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
 
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 3168none21.811.469663Canon 50D
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364Canon 40D
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462Canon XTi
 
Canon XT APS-C 8.0 3456 2304none21.810.863760Canon XT
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162Canon 20D
 
Canon 10D APS-C 6.3 3072 2048none21.110.957157Canon 10D
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455Canon Rebel
 
Panasonic ZS200 1-inch 20.0 5472 36484K/30p........Panasonic ZS200

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The G7X Mark III indeed provides for movie recording, while the 30D does not. The highest resolution format that the G7X Mark III can use is 4K/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the 30D has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G7X Mark III relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon 30D and Canon G7 X Mark III 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)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon 30Doptical Y 2.5 230 fixed n 1/8000s 5.0 Y n Canon 30D
 
Canon G7 X Mark IIInone n 3.0 1040 tilting Y 1/2000s 30 Y Y Canon G7 X Mark III
 
Canon G5 X Mark II2360 n 3.0 1040 tilting Y 1/2000s 30 Y Y Canon G5 X Mark II
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y Canon G7 X Mark II
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y Canon G5 X
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y Canon G7 X
 
Canon 70Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 70D
 
Canon 60Doptical Y 3.0 1040 swivel n 1/8000s 5.3 Y n Canon 60D
 
Canon 7Doptical Y 3.0 920 fixed n 1/8000s 8.0 Y n Canon 7D
 
Canon 50Doptical Y 3.0 920 fixed n 1/8000s 6.3 Y n Canon 50D
 
Canon 40Doptical Y 3.0 230 fixed n 1/8000s 6.5 Y n Canon 40D
 
Canon XTioptical n 2.5 230 fixed n 1/4000s 3.0 Y n Canon XTi
 
Canon XToptical n 1.8 115 fixed n 1/4000s 3.0 Y n Canon XT
 
Canon 20Doptical Y 1.8 118 fixed n 1/8000s 5.0 Y n Canon 20D
 
Canon 10Doptical Y 1.8 118 fixed n 1/4000s 3.0 Y n Canon 10D
 
Canon Rebeloptical n 1.8 118 fixed n 1/4000s 2.5 Y n Canon Rebel
 
Panasonic ZS2002330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y Panasonic ZS200

One feature that is present on the 30D, but is missing on the G7X Mark III 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.

The G7X Mark III has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 30D does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the G7X Mark III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Canon G7 X Mark III has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The 30D writes its imaging data to Compact Flash cards, while the G7X Mark III uses SDXC 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 30D and Canon PowerShot G7 X Mark III 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
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon 30DYnonenone--none2.0---Canon 30D
 
Canon G7 X Mark III-stereomonoY-micro3.1Y-YCanon G7 X Mark III
 
Canon G5 X Mark II-stereomono--micro3.1Y-YCanon G5 X Mark II
 
Canon G7 X Mark II-stereomono--micro2.0YY-Canon G7 X Mark II
 
Canon G5 XYstereomono--mini2.0YY-Canon G5 X
 
Canon G7 X-stereomono--micro2.0YY-Canon G7 X
 
Canon 70DYstereomonoY-mini2.0Y--Canon 70D
 
Canon 60DYmonomonoY-mini2.0---Canon 60D
 
Canon 7DYmonononeY-mini2.0---Canon 7D
 
Canon 50DYnonenone--mini2.0---Canon 50D
 
Canon 40DYnonenone--none2.0---Canon 40D
 
Canon XTiYnonenone--none2.0---Canon XTi
 
Canon XTYnonenone--none2.0---Canon XT
 
Canon 20DYnonenone--none1.1---Canon 20D
 
Canon 10DYnonenone--none1.1---Canon 10D
 
Canon RebelYnonenone--none1.1---Canon Rebel
 
Panasonic ZS200-stereomono--micro2.0Y-YPanasonic ZS200

It is notable that the 30D has a hotshoe, while the G7X Mark III does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Canon 30D (unlike the G7X Mark III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The G7X Mark III is a recent model that features in the current product line-up of Canon. In contrast, the 30D has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 30D was succeeded by the Canon 40D. 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 the Canon 30D better than the Canon G7 X Mark III or vice versa? A synthesis of the relative strong points of each of the models is listed below.


Reasons to prefer the Canon EOS 30D:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (750 versus 235) on a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in February 2006).


Advantages of the Canon PowerShot G7 X Mark III:

  • More detail: Has more megapixels (20 vs 8.2MP), which boosts linear resolution by 56%.
  • Better jpgs: Has a more modern image processing engine (DIGIC 8 vs DIGIC 2).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (30 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with an integrated lens, while the 30D requires a separate lens.
  • More compact: Is smaller (105x61mm vs 144x106mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the 30D).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 13 years and 4 months of technical progress since the 30D launch.

If the count of relative strengths (bullet points above) is taken as a measure, the G7X Mark III is the clear winner of the contest (20 : 8 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

30D 08:20 G7X Mark III

How about other alternatives? Do the specifications of the Canon 30D and the Canon G7 X Mark III place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Travel-Zoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the 30D and the G7X Mark III in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major 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
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Canon 30D+ ++ +oo.. Feb 2006 1,399iCanon 30D
 
Canon G7 X Mark III+ +81/1004/5.... Jul 2019 749 iCanon G7 X Mark III
 
Canon G5 X Mark II+82/100....4/5 Jul 2019 899 iCanon G5 X Mark II
 
Canon G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699iCanon G7 X Mark II
 
Canon G5 X+ +78/1004.5/54/54.5/5 Oct 2015 799iCanon G5 X
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699iCanon G7 X
 
Canon 70D+ +83/1004.5/54.5/55/5 Jul 2013 1,199iCanon 70D
 
Canon 60D+79/1004/55/54.5/5 Aug 2010 1,399iCanon 60D
 
Canon 7D+ +84/1004.5/55/54.5/5 Sep 2009 1,699iCanon 7D
 
Canon 50D+ ++ +4.5/55/54.5/5 Aug 2008 1,299iCanon 50D
 
Canon 40D+ ++ +4.5/5o4.5/5 Aug 2007 1,299iCanon 40D
 
Canon XTi+ ++ +o4.5/54/5 Aug 2006 799iCanon XTi
 
Canon XT80/100+ +oo.. Feb 2005 899iCanon XT
 
Canon 20D..+ +..o.. Aug 2004 1,499iCanon 20D
 
Canon 10D..+ +..o.. Feb 2003 1,999iCanon 10D
 
Canon Rebel..+ +..o.. Aug 2003 899iCanon Rebel
 
Panasonic ZS200+ +81/1004.5/5..4.5/5 Feb 2018 799 iPanasonic ZS200
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon 30D:
Check Ebay offers
Canon G7 X Mark III:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. 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 30D vs Canon G7 X Mark III

    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 30D Canon G7 X Mark III
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Canon EF mount lenses 24-100mm f/1.8-2.8
    Launch Date February 2006 July 2019
    Launch Price USD 1399 USD 749
    Sensor Specs Canon 30D Canon G7 X Mark III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor 1" Sensor
    Sensor Size 22.5 x 15.0 mm 13.2 x 8.8 mm
    Sensor Area 337.5 mm2 116.16 mm2
    Sensor Diagonal 27 mm 15.9 mm
    Crop Factor 1.6x 2.7x
    Sensor Resolution 8.2 Megapixels 20 Megapixels
    Image Resolution 3504 x 2336 pixels 5472 x 3648 pixels
    Pixel Pitch 6.42 μm 2.41 μm
    Pixel Density 2.43 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100-1600 ISO 125-12800 ISO
    ISO Boost 100-3200 ISO 125-25600 ISO
    Image Processor DIGIC 2 DIGIC 8
    DXO Sensor Quality (score) 59 ..
    DXO Color Depth (bits) 21.5 ..
    DXO Dynamic Range (EV) 10.8 ..
    DXO Low Light (ISO) 736 ..
    Screen Specs Canon 30D Canon G7 X Mark III
    Viewfinder Type Optical viewfinder No viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.56x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 2.5 inch 3.0 inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 30D Canon G7 X Mark III
    Autofocus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/2000/s
    Continuous Shooting 5 shutter flaps/s 30 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/25600s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium CF cards SDXC cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Canon 30D Canon G7 X Mark III
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 3.1
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 30D Canon G7 X Mark III
    Battery Type BP-511A NB-13L
    Battery Life (CIPA)750 shots per charge235 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 144 x 106 x 74 mm
    (5.7 x 4.2 x 2.9 in)
    105 x 61 x 41 mm
    (4.1 x 2.4 x 1.6 in)
    Camera Weight 785 g (27.7 oz) 304 g (10.7 oz)

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