Canon T2i vs Panasonic G1
The Canon EOS Rebel T2i (called Canon 550D in some regions) and the Panasonic Lumix DMC-G1 are two digital cameras that were announced, respectively, in February 2010 and September 2008. The T2i is a DSLR, while the G1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (T2i) and a Four Thirds (G1) sensor. The Canon has a resolution of 17.9 megapixels, whereas the Panasonic provides 12 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 Rebel T2i and the Panasonic Lumix DMC-G1? 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 T2i and the Panasonic G1. 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.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G1 is notably smaller (18 percent) than the Canon T2i. Moreover, the G1 is markedly lighter (32 percent) than the T2i. In this context, it is worth noting that neither the T2i nor the G1 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. 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 (T2i) and the Micro Four Thirds Lens Catalog (G1). Mirrorless cameras, such as the G1, 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.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|1.||Canon T2i||129 mm||98 mm||62 mm||530 g||440||n||Feb 2010||699|
|2.||Panasonic G1||124 mm||84 mm||45 mm||360 g||410||n||Sep 2008||599|
|3.||Canon T100||129 mm||102 mm||77 mm||436 g||500||n||Feb 2018||399|
|4.||Canon T6s||132 mm||101 mm||78 mm||565 g||440||n||Feb 2015||649|
|5.||Canon T5||130 mm||100 mm||78 mm||480 g||500||n||Feb 2014||449|
|6.||Canon T5i||133 mm||100 mm||79 mm||580 g||440||n||Mar 2013||649|
|7.||Canon T4i||133 mm||100 mm||79 mm||575 g||440||n||Jun 2012||849|
|8.||Canon T3||130 mm||100 mm||78 mm||495 g||700||n||Feb 2011||449|
|9.||Canon T3i||133 mm||100 mm||80 mm||570 g||440||n||Feb 2011||599|
|10.||Canon T1i||129 mm||98 mm||62 mm||520 g||400||n||Mar 2009||799|
|11.||Canon XSi||129 mm||98 mm||62 mm||524 g||500||n||Jan 2008||799|
|12.||Canon XTi||127 mm||84 mm||65 mm||556 g||370||n||Aug 2006||799|
|13.||Olympus E-410||130 mm||91 mm||53 mm||435 g||500||n||Mar 2007||699|
|14.||Panasonic G10||124 mm||84 mm||74 mm||388 g||380||n||Mar 2010||499|
|15.||Panasonic G2||124 mm||84 mm||74 mm||428 g||360||n||Mar 2010||599|
|16.||Panasonic GH1||124 mm||90 mm||45 mm||385 g||300||n||Mar 2009||899|
|17.||Panasonic L10||135 mm||96 mm||78 mm||556 g||450||n||Aug 2007||599|
|Notes: Measurements and pricing do not include easily detachable parts, such as add-on or 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 G1 was launched at a somewhat lower price (by 14 percent) than the T2i, 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 sensor inside a digital camera is one of the key determinants 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon T2i features an APS-C sensor and the Panasonic G1 a Four Thirds sensor. The sensor area in the G1 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 T2i has a native 3:2 aspect ratio, while the one in the G1 offers a 4:3 aspect.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.
With 17.9MP, the T2i offers a higher resolution than the G1 (12MP), but the T2i has marginally smaller individual pixels (pixel pitch of 4.31μm versus 4.33μm for the G1). However, the T2i is a somewhat more recent model (by 1 year and 4 months) than the G1, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.
The resolution advantage of the Canon T2i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T2i for good quality output (200 dots per inch) amounts to 25.9 x 17.3 inches or 65.8 x 43.9 cm, for very good quality (250 dpi) 20.7 x 13.8 inches or 52.7 x 35.1 cm, and for excellent quality (300 dpi) 17.3 x 11.5 inches or 43.9 x 29.3 cm. The corresponding values for the Panasonic G1 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.
The Canon EOS Rebel T2i has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-12800. The corresponding ISO settings for the Panasonic Lumix DMC-G1 are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 100-3200.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under review, the T2i provides substantially higher image quality than the G1, with an overall score that is 13 points higher. This advantage is based on 1 bits higher color depth, 1.2 EV in additional dynamic range, and 0.8 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.
| DXO |
|2.||Panasonic G1||Four Thirds||12.0||4000||3000||none||21.1||10.3||463||53|
|13.||Olympus E-410||Four Thirds||10.0||3648||2736||none||21.1||10.0||494||51|
|14.||Panasonic G10||Four Thirds||12.0||4000||3000||720/30p||21.2||10.1||411||52|
|15.||Panasonic G2||Four Thirds||12.0||4000||3000||720/30p||21.2||10.3||493||53|
|16.||Panasonic GH1||Four Thirds||12.0||4000||3000||1080/24p||21.6||11.6||772||64|
|17.||Panasonic L10||Four Thirds||10.0||3648||2736||none||21.3||10.8||429||55|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The T2i indeed provides movie recording capabilities, while the G1 does not. The highest resolution format that the T2i can use is 1080/30p.
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the G1 has an electronic viewfinder (1440k dots), while the T2i 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 G1 offers a wider field of view (100%) than the one in the T2i (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the G1 has a higher magnification (0.70x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon T2i and Panasonic G1 in connection with corresponding information for a sample of similar cameras.
The T2i writes its imaging data to SDXC cards, while the G1 uses SDHC cards.
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 Rebel T2i and Panasonic Lumix DMC-G1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
| NFC |
Both the T2i and the G1 have been discontinued, but can regularly be found used on eBay. The G1 was replaced by the Panasonic G2, while the T2i was followed by the Canon T3i. 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? Which of the two cameras – the Canon T2i or the Panasonic G1 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.
Advantages of the Canon EOS Rebel T2i:
- More detail: Offers more megapixels (17.9 vs 12MP) with a 25% higher linear resolution.
- Better image quality: Scores substantially higher (13 points) in the DXO overall assessment.
- More dynamic range: Captures a larger spectrum of light and dark details (1.2 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (0.8 stops ISO advantage).
- Broader imaging potential: Can record not only still images but also 1080/30p movies.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- More detailed LCD: Has a higher resolution rear screen (1040k vs 460k dots).
- Faster burst: Shoots at higher frequency (3.7 vs 3 flaps/sec) to capture the decisive moment.
- More modern: Is somewhat more recent (announced 1 year and 4 months after the G1).
Reasons to prefer the Panasonic Lumix DMC-G1:
- 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 (0.70x vs 0.54x).
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- More compact: Is smaller (124x84mm vs 129x98mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 170g or 32 percent) and is thus easier to take along.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- More affordable: Was released into a lower priced segment (14 percent cheaper at launch).
- More heavily discounted: Has been on the market for longer (launched in September 2008).
If the count of individual advantages (bullet points above) is taken as a guide, the G1 comes out slightly ahead of the T2i (10 : 9 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.
How about other alternatives? Do the specifications of the Canon T2i and the Panasonic G1 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the T2i or the G1. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
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 (amateurphotographer [AP], cameralabs [CL], 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 T2i||..||+ +||77/100||4/5||4.5/5||Feb 2010||699|
|2.||Panasonic G1||..||+ +||70/100||4/5||4.5/5||Sep 2008||599|
|3.||Canon T100||..||o||..||3.5/5||3.5/5||Feb 2018||399|
|4.||Canon T6s||5/5||+||77/100||4.5/5||4.5/5||Feb 2015||649|
|5.||Canon T5||3/5||+||..||4/5||4.5/5||Feb 2014||449|
|6.||Canon T5i||..||..||76/100||4.5/5||4.5/5||Mar 2013||649|
|7.||Canon T4i||4/5||+ +||77/100||4.5/5||4.5/5||Jun 2012||849|
|8.||Canon T3||..||80/100||69/100||4/5||4.5/5||Feb 2011||449|
|9.||Canon T3i||3/5||o||77/100||4.5/5||4.5/5||Feb 2011||599|
|10.||Canon T1i||..||+ +||74/100||4.5/5||4.5/5||Mar 2009||799|
|11.||Canon XSi||..||+ +||+ +||4/5||4.5/5||Jan 2008||799|
|12.||Canon XTi||..||+ +||+ +||o||4/5||Aug 2006||799|
|13.||Olympus E-410||..||86/100||+ +||4/5||4.5/5||Mar 2007||699|
|14.||Panasonic G10||3/5||..||70/100||4/5||4/5||Mar 2010||499|
|15.||Panasonic G2||..||..||72/100||4/5||4.5/5||Mar 2010||599|
|16.||Panasonic GH1||..||+ +||72/100||4.5/5||4.5/5||Mar 2009||899|
|17.||Panasonic L10||..||85/100||+||3.5/5||4/5||Aug 2007||599|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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, please note that some of the review sites have changed their methodology and reporting over time.
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.
Specifications: Canon T2i vs Panasonic G1
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 T2i||Panasonic G1|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Canon EF mount lenses||Micro Four Thirds lenses|
|Launch Date||February 2010||September 2008|
|Launch Price||USD 699||USD 599|
|Sensor Specs||Canon T2i||Panasonic G1|
|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||17.9 Megapixels||12 Megapixels|
|Image Resolution||5184 x 3456 pixels||4000 x 3000 pixels|
|Pixel Pitch||4.31 μm||4.33 μm|
|Pixel Density||5.39 MP/cm2||5.34 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/30p Video||no Video|
|ISO Setting||100 - 6,400 ISO||100 - 1,600 ISO|
|ISO Boost||100 - 12,800 ISO||100 - 3,200 ISO|
|Image Processor||DIGIC 4||Venus HD|
|DXO Sensor Quality (score)||66||53|
|DXO Color Depth (bits)||22.1||21.1|
|DXO Dynamic Range (EV)||11.5||10.3|
|DXO Low Light (ISO)||784||463|
|Screen Specs||Canon T2i||Panasonic G1|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||1440k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1040k dots||460k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Shooting Specs||Canon T2i||Panasonic G1|
|Focus System||Phase-detect AF||Contrast-detect AF|
|Continuous Shooting||3.7 shutter flaps/s||3 shutter flaps/s|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||SDXC cards||SDHC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||no||no|
|Connectivity Specs||Canon T2i||Panasonic G1|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon T2i||Panasonic G1|
|Battery Life (CIPA)||440 shots per charge||410 shots per charge|
129 x 98 x 62 mm
(5.1 x 3.9 x 2.4 in)
124 x 84 x 45 mm
(4.9 x 3.3 x 1.8 in)
|Camera Weight||530 g (18.7 oz)||360 g (12.7 oz)|
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