Canon G1 X Mark III vs Sony A7 II
The Canon PowerShot G1 X Mark III and the Sony Alpha A7 II are two enthusiast cameras that were revealed to the public, respectively, in October 2017 and November 2014. The G1X Mark III is a fixed lens compact, while the A7 II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (G1X Mark III) and a full frame (A7 II) sensor. Both cameras offer a resolution of 24 megapixels. 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.
|Canon G1 X Mark III||Sony A7 II|
|Fixed lens compact camera||Mirrorless system camera|
|24-72mm f/2.8-5.6||Sony E mount lenses|
|24 MP, APS-C Sensor||24 MP, Full Frame Sensor|
|1080/60p Video||1080/60p Video|
|ISO 100-25600||ISO 100-25600 (50-51200)|
|Electronic viewfinder (2360k dots)||Electronic viewfinder (2400k dots)|
|3.0" LCD, 1040k dots||3.0" LCD, 1230k dots|
|Swivel touchscreen||Tilting screen (not touch-sensitive)|
|9 shutter flaps per second||5 shutter flaps per second|
|Lens-based stabilization||In-body stabilization|
|Weathersealed body||Weathersealed body|
|200 shots per battery charge||350 shots per battery charge|
|115 x 78 x 51 mm, 399 g||127 x 96 x 60 mm, 599 g|
Body comparison: Canon G1 X Mark III vs Sony A7 II
The physical size and weight of the Canon G1 X Mark III and the Sony A7 II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter. You can also toggle the display to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the G1X Mark III – represents the basis or 100 percent across all the size and weight measures).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 II is notably larger (36 percent) than the Canon G1 X Mark III. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X Mark III has a lens built in, whereas the A7 II 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 A7 II and their specifications in the Sony FE Lens Catalog.
The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.
|Canon G1 X Mark III»||4.5 in||3.1 in||2.0 in||14.1 oz||200||Y||Oct 2017||1,299||Canon G1 X Mark III|
|Sony A7 II«||5.0 in||3.8 in||2.4 in||21.1 oz||350||Y||Nov 2014||1,999||-||Sony A7 II|
|Canon 6D Mark II« »||5.7 in||4.4 in||3.0 in||27.0 oz||1200||Y||Jun 2017||1,999||Canon 6D Mark II|
|Canon G9 X Mark II« »||3.9 in||2.3 in||1.2 in||7.3 oz||235||n||Jan 2017||529||Canon G9 X Mark II|
|Canon M6« »||4.4 in||2.7 in||1.8 in||13.8 oz||295||n||Feb 2017||779||Canon M6|
|Canon 80D« »||5.5 in||4.1 in||3.1 in||25.8 oz||960||Y||Feb 2016||1,199||Canon 80D|
|Fujifilm X-T3« »||5.2 in||3.7 in||2.3 in||19.0 oz||390||Y||Sep 2018||1,499||Fujifilm X-T3|
|Fujifilm X100F« »||5.0 in||3.0 in||2.0 in||16.5 oz||390||n||Jan 2017||1,299||Fujifilm X100F|
|Nikon D7500« »||5.4 in||4.1 in||2.9 in||25.4 oz||950||Y||Apr 2017||1,299||Nikon D7500|
|Sony A7 III« »||5.0 in||3.8 in||2.9 in||22.9 oz||610||Y||Feb 2018||1,999||Sony A7 III|
|Sony A6300« »||4.7 in||2.6 in||1.9 in||14.3 oz||400||Y||Feb 2016||999||-||Sony A6300|
|Sony A6500« »||4.7 in||2.6 in||2.1 in||16.0 oz||350||Y||Oct 2016||1,399||Sony A6500|
|Sony RX10 III« »||5.2 in||3.7 in||5.0 in||37.1 oz||420||Y||Mar 2016||1,499||Sony RX10 III|
|Sony A7R II« »||5.0 in||3.8 in||2.4 in||22.0 oz||290||Y||Jun 2015||3,199||-||Sony A7R II|
|Sony A7S II« »||5.0 in||3.8 in||2.4 in||22.1 oz||370||Y||Sep 2015||2,999||Sony A7S II|
|Sony A7« »||5.0 in||3.7 in||1.9 in||16.7 oz||340||Y||Oct 2013||1,699||-||Sony A7|
|Sony A7R« »||5.0 in||3.7 in||1.9 in||16.4 oz||340||Y||Oct 2013||2,299||-||Sony A7R|
Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G1X Mark III was launched at a lower price than the A7 II, despite having a lens built in. 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 G1 X Mark III vs Sony A7 II
The size of the sensor inside a digital camera is one of the key determinants 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. 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 associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Canon G1 X Mark III features an APS-C sensor and the Sony A7 II a full frame sensor. The sensor area in the A7 II is 158 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Even though the A7 II has a larger sensor, both cameras offer the same resolution of 24 megapixels. This implies that the A7 II has a lower pixel density and larger individual pixels (with a pixel pitch of 5.97μm versus 3.72μm for the G1X Mark III), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the G1X Mark III is much more recent (by 2 years and 10 months) than the A7 II, and its sensor will have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size.
The Canon PowerShot G1 X Mark III has a native sensitivity range from ISO 100 to ISO 25600 The corresponding ISO settings for the Sony Alpha A7 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200..
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Canon G1 X Mark III»||APS-C||24.0||6000||4000||1080/60p||-||-||-||-||Canon G1 X Mark III|
|Sony A7 II«||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90||Sony A7 II|
|Canon 6D Mark II« »||Full Frame||26.0||6240||4160||1080/60p||24.4||11.9||2862||85||Canon 6D Mark II|
|Canon G9 X Mark II« »||1-inch||20.0||5472||3648||1080/60p||21.9||12.5||522||65||Canon G9 X Mark II|
|Canon M6« »||APS-C||24.0||6000||4000||1080/60p||-||-||-||-||Canon M6|
|Canon 80D« »||APS-C||24.0||6000||4000||1080/60p||23.6||13.2||1135||79||Canon 80D|
|Fujifilm X-T3« »||APS-C||26.0||6240||4160||4K/60p||-||-||-||-||Fujifilm X-T3|
|Fujifilm X100F« »||APS-C||24.0||6000||4000||1080/60p||-||-||-||-||Fujifilm X100F|
|Nikon D7500« »||APS-C||20.7||5568||3712||4K/30p||24.3||14.0||1483||86||Nikon D7500|
|Sony A7 III« »||Full Frame||24.0||6000||4000||4K/30p||25.0||14.7||3730||96||Sony A7 III|
|Sony A6300« »||APS-C||24.0||6000||4000||4K/30p||24.4||13.7||1437||85||Sony A6300|
|Sony A6500« »||APS-C||24.0||6000||4000||4K/30p||24.5||13.7||1405||85||Sony A6500|
|Sony RX10 III« »||1-inch||20.0||5472||3648||4K/30p||23.1||12.6||472||70||Sony RX10 III|
|Sony A7R II« »||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98||Sony A7R II|
|Sony A7S II« »||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85||Sony A7S II|
|Sony A7« »||Full Frame||24.0||6000||4000||1080/60p||24.8||14.2||2248||90||Sony A7|
|Sony A7R« »||Full Frame||36.2||7360||4912||1080/60p||25.6||14.1||2746||95||Sony A7R|
Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/60p).
Feature comparison: Canon G1 X Mark III vs Sony A7 II
Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A7 II offers a slightly higher resolution than the one in the G1X Mark III (2400k vs 2360k dots). The adjacent table lists some of the other core features of the Canon G1 X Mark III and Sony A7 II along with similar information for a selection of comparators.
|Canon G1 X Mark III»||2360||n||3.0||1040||swivel||Y||2000||9.0||Y||Y||Canon G1 X Mark III|
|Sony A7 II«||2400||n||3.0||1230||tilting||n||8000||5.0||n||Y||Sony A7 II|
|Canon 6D Mark II« »||optical||Y||3.0||1040||swivel||Y||4000||6.5||n||n||Canon 6D Mark II|
|Canon G9 X Mark II« »||-||n||3.0||1040||fixed||Y||2000||8.2||Y||Y||Canon G9 X Mark II|
|Canon M6« »||-||n||3.0||1040||tilting||Y||4000||9.0||Y||n||Canon M6|
|Canon 80D« »||optical||Y||3.0||1040||swivel||Y||8000||7.0||Y||n||Canon 80D|
|Fujifilm X-T3« »||3690||n||3.2||1040||tilting||Y||8000||11.0||n||n||Fujifilm X-T3|
|Fujifilm X100F« »||2360||n||3.0||1040||fixed||n||4000||8.0||Y||n||Fujifilm X100F|
|Nikon D7500« »||optical||Y||3.2||922||tilting||Y||8000||8.0||Y||n||Nikon D7500|
|Sony A7 III« »||2359||n||3.0||922||tilting||Y||8000||10.0||n||Y||Sony A7 III|
|Sony A6300« »||2359||n||3.0||922||tilting||n||4000||11.0||Y||n||Sony A6300|
|Sony A6500« »||2359||n||3.0||922||tilting||Y||4000||11.0||Y||Y||Sony A6500|
|Sony RX10 III« »||2359||Y||3.0||1229||tilting||n||2000||14.0||Y||Y||Sony RX10 III|
|Sony A7R II« »||2400||n||3.0||1229||tilting||n||8000||5.0||n||Y||Sony A7R II|
|Sony A7S II« »||2400||n||3.0||1229||tilting||n||8000||5.0||n||Y||Sony A7S II|
|Sony A7« »||2400||n||3.0||1230||tilting||n||8000||5.0||n||n||Sony A7|
|Sony A7R« »||2400||n||3.0||1230||tilting||n||8000||4.0||n||n||Sony A7R|
One difference between the cameras concerns the presence of an on-board flash. The G1X Mark III has one, while the A7 II does not. While the built-in flash of the G1X Mark III is not very powerful, it can at times be useful as a fill-in light.The G1X Mark III has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the A7 II does not have a selfie-screen.
The G1X Mark III writes its imaging data to SDXC cards, while the A7 II uses SDXC or Memory Stick PRO Duo cards.
Connectivity comparison: Canon G1 X Mark III vs Sony A7 II
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 PowerShot G1 X Mark III and Sony Alpha A7 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon G1 X Mark III»||Y||stereo||mono||-||-||micro||2.0||Y||Y||Y||Canon G1 X Mark III|
|Sony A7 II«||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7 II|
|Canon 6D Mark II« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon 6D Mark II|
|Canon G9 X Mark II« »||-||stereo||mono||-||-||micro||2.0||Y||Y||Y||Canon G9 X Mark II|
|Canon M6« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon M6|
|Canon 80D« »||Y||stereo||mono||Y||Y||mini||2.0||Y||Y||-||Canon 80D|
|Fujifilm X-T3« »||Y||stereo||mono||Y||Y||micro||3.1||Y||-||Y||Fujifilm X-T3|
|Fujifilm X100F« »||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Fujifilm X100F|
|Nikon D7500« »||Y||stereo||mono||Y||Y||mini||2.0||Y||-||Y||Nikon D7500|
|Sony A7 III« »||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A7 III|
|Sony A6300« »||Y||stereo||mono||Y||-||micro||2.0||Y||Y||-||Sony A6300|
|Sony A6500« »||Y||stereo||mono||Y||-||micro||2.0||Y||Y||-||Sony A6500|
|Sony RX10 III« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony RX10 III|
|Sony A7R II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7R II|
|Sony A7S II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7S II|
|Sony A7« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7|
|Sony A7R« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7R|
It is notable that the A7 II has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G1X Mark III does not feature such a mic input.
The G1X Mark III is a recent model that features in the current product line-up of Canon. In contrast, the A7 II has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7 II was succeeded by the Sony A7 III.
Review summary: Canon G1 X Mark III vs Sony A7 II
So how do things add up? Is there a clear favorite between the Canon G1 X Mark III and the Sony A7 II? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Canon PowerShot G1 X Mark III:
- More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (9 vs 5 flaps/sec) to capture the decisive moment.
- Ready to shoot: Has a lens built-in, whereas the A7 II requires a separate lens.
- More compact: Is smaller (115x78mm vs 127x96mm) and thus needs less room in the bag.
- Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7 II).
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- 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 2 years and 10 months of technical progress since the A7 II launch.
Advantages of the Sony Alpha A7 II:
- Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
- Richer colors: Larger pixels generate images with better, more accurate colors.
- More dynamic range: Capable of capturing a wider spectrum of light and dark details.
- Better low-light sensitivity: Can be used in poorly lit environments and still produce good images.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- More detailed LCD: Has a higher resolution rear screen (1230k vs 1040k dots).
- Faster shutter: Has higher mechanical shutter speed (8000/sec vs 2000/sec) to freeze action.
- More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
- Longer lasting: Gets more shots (350 versus 200) out of a single battery charge.
- More heavily discounted: Has been around for much longer (launched in November 2014).
If the count of individual advantages (bullet points above) is taken as a guide, the match-up finishes in a tie (11 points each). 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.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the G1X Mark III or the A7 II handle or perform in practice. 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 G1 X Mark III vs Sony A7 II
This is why hands-on reviews by experts are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.
|Canon G1 X Mark III»||Rec||79/100||4.5/5||-||4.5/5||Oct 2017||1,299||Canon G1 X Mark III|
|Sony A7 II«||Rec||82/100||4.5/5||5/5||5/5||Nov 2014||1,999||-||Sony A7 II|
|Canon 6D Mark II« »||Rec||80/100||4.5/5||4/5||4/5||Jun 2017||1,999||Canon 6D Mark II|
|Canon G9 X Mark II« »||-||75/100||4.5/5||4.5/5||4.5/5||Jan 2017||529||Canon G9 X Mark II|
|Canon M6« »||-||80/100||4/5||4.5/5||4/5||Feb 2017||779||Canon M6|
|Canon 80D« »||HiRec||84/100||4.5/5||4.5/5||4.5/5||Feb 2016||1,199||Canon 80D|
|Fujifilm X-T3« »||HiRec||88/100||5/5||-||5/5||Sep 2018||1,499||Fujifilm X-T3|
|Fujifilm X100F« »||Rec||83/100||4.5/5||-||4.5/5||Jan 2017||1,299||Fujifilm X100F|
|Nikon D7500« »||HiRec||86/100||5/5||4.5/5||4.5/5||Apr 2017||1,299||Nikon D7500|
|Sony A7 III« »||HiRec||89/100||5/5||5/5||5/5||Feb 2018||1,999||Sony A7 III|
|Sony A6300« »||Rec||85/100||5/5||5/5||5/5||Feb 2016||999||-||Sony A6300|
|Sony A6500« »||HiRec||85/100||4.5/5||5/5||4.5/5||Oct 2016||1,399||Sony A6500|
|Sony RX10 III« »||Rec||84/100||4.5/5||4.5/5||4.5/5||Mar 2016||1,499||Sony RX10 III|
|Sony A7R II« »||HiRec||90/100||5/5||4.5/5||5/5||Jun 2015||3,199||-||Sony A7R II|
|Sony A7S II« »||Rec||-||4.5/5||5/5||5/5||Sep 2015||2,999||Sony A7S II|
|Sony A7« »||HiRec||80/100||5/5||4.5/5||5/5||Oct 2013||1,699||-||Sony A7|
|Sony A7R« »||HiRec||82/100||4.5/5||5/5||5/5||Oct 2013||2,299||-||Sony A7R|
The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time 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.
Other camera comparisons
Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 5D vs Sony A6300
- Canon 60D vs Canon 450D
- Canon 750D vs Panasonic GX80
- Fujifilm X-T2 vs Canon 6D
- Nikon D5500 vs Leica M10
- Nikon D90 vs Nikon D3200
- Olympus E-M1 II vs Panasonic FZ2500
- Panasonic GX80 vs Nikon D7000
- Sony A7 II vs Sony RX100 II
- Sony A7S II vs Fujifilm X70
- Sony RX100 III vs Panasonic G80
- Sony RX100 V vs Sony A5100
Specifications: Canon G1 X Mark III vs Sony A7 II
|Camera Model||Canon G1 X Mark III||Sony A7 II|
|Camera Type||Fixed lens compact camera||Mirrorless system camera|
|Camera Lens||24-72mm f/2.8-5.6||Sony E mount lenses|
|Launch Date||October 2017||November 2014|
|Launch Price||USD 1299||USD 1999|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||22.3 x 14.9 mm||35.8 x 14.9 mm|
|MP Resolution||24 Megapixels||24 Megapixels|
|Image Resolution||6000 x 4000 pixels||6000 x 4000 pixels|
|Pixel Size||3.72 μm||5.97 μm|
|Movie Capability||1080/60p Video||1080/60p Video|
|ISO Setting||100-25600 ISO||100-25600 ISO|
|ISO Boost||no Enhancement||50-51200 ISO|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Resolution||2360k dots||2400k dots|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||1040k dots||1230k dots|
|LCD Attachment||Swivel screen||Tilting screen|
|Touch Input||Touchscreen||no Touchscreen|
|Maximum Shutter Speed||1/2000s||1/8000s|
|Continuous Shooting||9 shutter flaps/s||5 shutter flaps/s|
|Image Stabilization||Lens-based stabilization||In-body stabilization|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||micro HDMI|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||NFC built-in||NFC built-in|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Type||NB-13L power pack||NP-FW50 power pack|
|Battery Life||200 shots per charge||350 shots per charge|
115 x 78 x 51 mm
(4.5 x 3.1 x 2.0 in)
127 x 96 x 60 mm
(5.0 x 3.8 x 2.4 in)
|Camera Weight||399 g (14.1 oz)||599 g (21.1 oz)|
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