Canon 40D vs Panasonic G9
The Canon EOS 40D and the Panasonic Lumix DC-G9 are two enthusiast cameras that were announced, respectively, in August 2007 and November 2017. The 40D is a DSLR, while the G9 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (40D) and a Four Thirds (G9) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Panasonic provides 20.2 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 40D and the Panasonic Lumix DC-G9? 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.
The side-by-side display below illustrates the physical size and weight of the Canon 40D and the Panasonic G9. 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 width, height and depth dimensions are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G9 is notably smaller (16 percent) than the Canon 40D. Moreover, the G9 is markedly lighter (20 percent) than the 40D. It is noteworthy in this context that the G9 is splash and dust-proof, while the 40D does not feature any corresponding weather-sealing.
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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (40D) and the Micro Four Thirds Lens Catalog (G9). Mirrorless cameras, such as the G9, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.
Concerning battery life, the 40D gets 750 shots out of its BP-511A battery, while the G9 can take 400 images on a single charge of its DMW-BLF19 power pack. The power pack in the G9 can be charged via the USB port, which can be very convenient when travelling.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Canon 40D||146 mm||108 mm||74 mm||822 g||750||n||Aug 2007||1,299|
|2.||Panasonic G9||137 mm||97 mm||92 mm||658 g||400||Y||Nov 2017||1,699|
|3.||Canon T3||130 mm||100 mm||78 mm||495 g||700||n||Feb 2011||449|
|4.||Canon 60D||145 mm||106 mm||79 mm||755 g||1100||Y||Aug 2010||1,399|
|5.||Canon 50D||146 mm||108 mm||74 mm||822 g||800||Y||Aug 2008||1,299|
|6.||Canon XS||126 mm||98 mm||65 mm||502 g||500||n||Jun 2008||449|
|7.||Canon XSi||129 mm||98 mm||62 mm||524 g||500||n||Jan 2008||799|
|8.||Canon 30D||144 mm||106 mm||74 mm||785 g||750||n||Feb 2006||1,399|
|9.||Canon XTi||127 mm||84 mm||65 mm||556 g||370||n||Aug 2006||799|
|10.||Canon 20D||144 mm||106 mm||72 mm||770 g||700||n||Aug 2004||1,499|
|11.||Canon 10D||150 mm||107 mm||75 mm||850 g||500||n||Feb 2003||1,999|
|12.||Nikon D90||132 mm||103 mm||77 mm||703 g||850||n||Aug 2008||1,299|
|13.||Olympus E-M1 III||134 mm||91 mm||69 mm||580 g||420||Y||Feb 2020||1,799|
|14.||Olympus E-M1 II||134 mm||91 mm||67 mm||574 g||440||Y||Sep 2016||1,999|
|15.||Panasonic GH5 II||139 mm||98 mm||87 mm||727 g||400||Y||May 2021||1,699|
|16.||Panasonic GH5||139 mm||98 mm||87 mm||725 g||410||Y||Jan 2017||1,999|
|17.||Panasonic G85||128 mm||89 mm||74 mm||505 g||330||Y||Sep 2016||899|
|Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 40D was launched at a somewhat lower price (by 24 percent) than the G9, which makes it more attractive for photographers on a tight budget. 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.
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 associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Canon 40D features an APS-C sensor and the Panasonic G9 a Four Thirds sensor. The sensor area in the G9 is 32 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the 40D has a native 3:2 aspect ratio, while the one in the G9 offers a 4:3 aspect.
Despite having a smaller sensor, the G9 offers a higher resolution of 20.2 megapixels, compared with 10.1 MP of the 40D. 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 3.34μm versus 5.73μm for the 40D). However, it should be noted that the G9 is much more recent (by 10 years and 2 months) than the 40D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the G9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Panasonic G9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G9 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Canon 40D are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.
Unlike the 40D, the G9 has the capacity to capture high quality composite images (80.6MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
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 Panasonic Lumix DC-G9 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.
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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|2.||Panasonic G9||Four Thirds||20.2||5184||3888||4K/60p||..||..||..||..|
|13.||Olympus E-M1 III||Four Thirds||20.2||5184||3888||4K/30p||..||..||..||..|
|14.||Olympus E-M1 II||Four Thirds||20.2||5184||3888||4K/30p||23.7||12.8||1312||80|
|15.||Panasonic GH5 II||Four Thirds||20.2||5184||3888||4K/60p||23.7||13.1||1136||79|
|16.||Panasonic GH5||Four Thirds||20.2||5184||3888||4K/60p||23.9||13.0||807||77|
|17.||Panasonic G85||Four Thirds||15.8||4592||3448||4K/30p||22.8||12.5||656||71|
Many modern cameras cannot only take still pictures, but also record videos. The G9 indeed provides for movie recording, while the 40D does not. The highest resolution format that the G9 can use is 4K/60p.
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the G9 has an electronic viewfinder (3680k dots), while the 40D has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the G9 offers a wider field of view (100%) than the one in the 40D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the G9 has a higher magnification (0.83x vs 0.59x), 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 Panasonic G9, and comparable cameras.
|1.||Canon 40D||optical||Y||3.0 / 230||fixed||n||1/8000s||6.5||Y||n|
|2.||Panasonic G9||3680||Y||3.0 / 1040||swivel||Y||1/8000s||20.0||n||Y|
|3.||Canon T3||optical||n||2.7 / 230||fixed||n||1/4000s||3.0||Y||n|
|4.||Canon 60D||optical||Y||3.0 / 1040||swivel||n||1/8000s||5.3||Y||n|
|5.||Canon 50D||optical||Y||3.0 / 920||fixed||n||1/8000s||6.3||Y||n|
|6.||Canon XS||optical||n||2.5 / 230||fixed||n||1/4000s||3.0||Y||n|
|7.||Canon XSi||optical||n||3.0 / 230||fixed||n||1/4000s||3.5||Y||n|
|8.||Canon 30D||optical||Y||2.5 / 230||fixed||n||1/8000s||5.0||Y||n|
|9.||Canon XTi||optical||n||2.5 / 230||fixed||n||1/4000s||3.0||Y||n|
|10.||Canon 20D||optical||Y||1.8 / 118||fixed||n||1/8000s||5.0||Y||n|
|11.||Canon 10D||optical||Y||1.8 / 118||fixed||n||1/4000s||3.0||Y||n|
|12.||Nikon D90||optical||Y||3.0 / 920||fixed||n||1/4000s||4.5||Y||n|
|13.||Olympus E-M1 III||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0||n||Y|
|14.||Olympus E-M1 II||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0||n||Y|
|15.||Panasonic GH5 II||3680||n||3.0 / 1840||swivel||Y||1/8000s||12.0||n||Y|
|16.||Panasonic GH5||3680||n||3.2 / 1620||swivel||Y||1/8000s||12.0||n||Y|
|17.||Panasonic G85||2360||n||3.0 / 1040||swivel||Y||1/4000s||9.0||Y||Y|
One difference between the cameras concerns the presence of an on-board flash. The 40D has one, while the G9 does not. While the built-in flash of the 40D is not very powerful, it can at times be useful as a fill-in light.The G9 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 40D 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 G9 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 Panasonic G9 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 40D writes its imaging data to Compact Flash cards, while the G9 uses SDXC cards. The G9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 40D only has one slot.
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 Panasonic Lumix DC-G9 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Canon 40D||Y||- / -||-||-||-||2.0||-||-||-|
|2.||Panasonic G9||Y||stereo / mono||Y||Y||full||3.0||Y||-||Y|
|3.||Canon T3||Y||stereo / mono||-||-||mini||2.0||-||-||-|
|4.||Canon 60D||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|5.||Canon 50D||Y||- / -||-||-||mini||2.0||-||-||-|
|6.||Canon XS||Y||- / -||-||-||-||2.0||-||-||-|
|7.||Canon XSi||Y||- / -||-||-||mini||2.0||-||-||-|
|8.||Canon 30D||Y||- / -||-||-||-||2.0||-||-||-|
|9.||Canon XTi||Y||- / -||-||-||-||2.0||-||-||-|
|10.||Canon 20D||Y||- / -||-||-||-||1.1||-||-||-|
|11.||Canon 10D||Y||- / -||-||-||-||1.1||-||-||-|
|12.||Nikon D90||Y||mono / mono||-||-||mini||2.0||-||-||-|
|13.||Olympus E-M1 III||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|14.||Olympus E-M1 II||Y||stereo / mono||Y||Y||micro||3.0||Y||-||-|
|15.||Panasonic GH5 II||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|16.||Panasonic GH5||Y||stereo / mono||Y||Y||full||3.1||Y||-||Y|
|17.||Panasonic G85||Y||stereo / mono||Y||-||micro||2.0||Y||-||-|
It is notable that the G9 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 40D does not provide wifi capability.
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
The G9 is a recent model that features in the current product line-up of Panasonic. In contrast, the 40D has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the 40D was succeeded 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 and Panasonic websites.
So what is the bottom line? Is the Canon 40D better than the Panasonic G9 or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Arguments in favor of the Canon EOS 40D:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Longer lasting: Can take more shots (750 versus 400) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More affordable: Was introduced into a lower priced segment (24 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in August 2007).
Reasons to prefer the Panasonic Lumix DC-G9:
- More detail: Has more megapixels (20.2 vs 10.1MP), which boosts linear resolution by 39%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Broader imaging potential: Can capture not only stills but also 4K/60p video.
- More framing info: Has an electronic viewfinder that displays shooting data.
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.83x vs 0.59x).
- More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or 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 (20 vs 6.5 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.
- More compact: Is smaller (137x97mm vs 146x108mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 164g or 20 percent) and is thus easier to take along.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- Faster data transfer: Supports a more advanced USB protocol (3.0 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.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More modern: Reflects 10 years and 2 months of technical progress since the 40D launch.
If the number of relative strengths (bullet points above) is taken as a guide, the G9 is the clear winner of the contest (25 : 6 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. 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.
How about other alternatives? Do the specifications of the Canon 40D and the Panasonic G9 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 remains incomplete and does no justice, for example, to the way the 40D or the G9 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.
|1.||Canon 40D||..||+ +||..||+ +||4.5/5||4.5/5||Aug 2007||1,299|
|2.||Panasonic G9||..||+ +||5/5||85/100||5/5||5/5||Nov 2017||1,699|
|3.||Canon T3||..||80/100||..||69/100||4/5||4.5/5||Feb 2011||449|
|4.||Canon 60D||5/5||+||..||79/100||4/5||4.5/5||Aug 2010||1,399|
|5.||Canon 50D||..||+ +||..||+ +||4.5/5||4.5/5||Aug 2008||1,299|
|6.||Canon XS||..||82/100||..||+ +||3.5/5||4.5/5||Jun 2008||449|
|7.||Canon XSi||..||+ +||..||+ +||4/5||4.5/5||Jan 2008||799|
|8.||Canon 30D||..||+ +||..||+ +||o||..||Feb 2006||1,399|
|9.||Canon XTi||..||+ +||..||+ +||o||4/5||Aug 2006||799|
|10.||Canon 20D||..||..||..||+ +||..||..||Aug 2004||1,499|
|11.||Canon 10D||..||..||..||+ +||..||..||Feb 2003||1,999|
|12.||Nikon D90||..||+ +||..||+ +||4/5||4.5/5||Aug 2008||1,299|
|13.||Olympus E-M1 III||5/5||..||5/5||83/100||4.5/5||4/5||Feb 2020||1,799|
|14.||Olympus E-M1 II||5/5||+ +||5/5||85/100||4.5/5||4.5/5||Sep 2016||1,999|
|15.||Panasonic GH5 II||4.5/5||..||4.5/5||..||4.5/5||5/5||May 2021||1,699|
|16.||Panasonic GH5||4.5/5||+ +||..||85/100||4.5/5||5/5||Jan 2017||1,999|
|17.||Panasonic G85||..||+ +||..||84/100||5/5||4.5/5||Sep 2016||899|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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 a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 1D Mark IV vs Canon 40D
- Canon 200D vs Panasonic G9
- Canon 40D vs Canon 5D Mark IV
- Canon 40D vs Nikon D70
- Canon 40D vs Olympus E-3
- Canon 40D vs Panasonic LX7
- Canon 40D vs Ricoh GR
- Canon XS vs Panasonic G9
- Nikon D100 vs Panasonic G9
- Nikon D70s vs Panasonic G9
- Panasonic G9 vs Panasonic LX100 II
- Panasonic G9 vs Sony NEX-3
Specifications: Canon 40D vs Panasonic G9
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 Model||Canon 40D||Panasonic G9|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Canon EF mount lenses||Micro Four Thirds lenses|
|Launch Date||August 2007||November 2017|
|Launch Price||USD 1,299||USD 1,699|
|Sensor Specs||Canon 40D||Panasonic G9|
|Sensor Format||APS-C Sensor||Four Thirds Sensor|
|Sensor Size||22.3 x 14.9 mm||17.3 x 13.0 mm|
|Sensor Area||332.27 mm2||224.9 mm2|
|Sensor Diagonal||26.8 mm||21.6 mm|
|Sensor Resolution||10.1 Megapixels||20.2 Megapixels|
|Image Resolution||3888 x 2592 pixels||5184 x 3888 pixels|
|Pixel Pitch||5.73 μm||3.34 μm|
|Pixel Density||3.03 MP/cm2||8.96 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||no Video||4K/60p Video|
|ISO Setting||100 - 1,600 ISO||200 - 25,600 ISO|
|ISO Boost||100 - 3,200 ISO||100 - 25,600 ISO|
|Image Processor||DIGIC 3||Venus 10|
|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||Panasonic G9|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||3680k dots|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||230k dots||1040k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Canon 40D||Panasonic G9|
|Focus System||Phase-detect AF||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/8000s|
|Continuous Shooting||6.5 shutter flaps/s||20 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||200 000 actuations|
|Electronic Shutter||no E-Shutter||up to 1/32000s|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Built-in Flash||no On-Board Flash|
|Storage Medium||CF cards||SDXC cards|
|Second Storage Option||Single card slot||Dual card slots|
|Connectivity Specs||Canon 40D||Panasonic G9|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 2.0||USB 3.0|
|HDMI Port||no HDMI||full HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Canon 40D||Panasonic G9|
|Environmental Sealing||not weather sealed||Weathersealed body|
|Battery Life (CIPA)||750 shots per charge||400 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
146 x 108 x 74 mm
(5.7 x 4.3 x 2.9 in)
137 x 97 x 92 mm
(5.4 x 3.8 x 3.6 in)
|Camera Weight||822 g (29.0 oz)||658 g (23.2 oz)|
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