Canon 250D vs Sony A900
The Canon EOS 250D (called Canon SL3 in some regions) and the Sony Alpha A900 are two digital cameras that were announced, respectively, in April 2019 and September 2008. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (250D) and a full frame (A900) sensor. The Canon has a resolution of 24 megapixels, whereas the Sony provides 24.4 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon 250D||Sony A900|
|Digital single lens reflex||Digital single lens reflex|
|Canon EF mount lenses||Sony A mount lenses|
|24 MP, APS-C Sensor||24.4 MP, Full Frame Sensor|
|4K/25p Video||no Video|
|ISO 100-25600 (100-51200)||ISO 200-3200 (100-6400)|
|Optical viewfinder||Optical viewfinder|
|3.0" LCD, 1040k dots||3.0" LCD, 922k dots|
|Swivel touchscreen||Fixed screen (not touch-sensitive)|
|5 shutter flaps per second||5 shutter flaps per second|
|Lens stabilization only||In-body stabilization|
|Not weather sealed||Weathersealed body|
|1070 shots per battery charge||880 shots per battery charge|
|122 x 93 x 70 mm, 449 g||156 x 117 x 82 mm, 895 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 250D and the Sony Alpha A900? 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.
An illustration of the physical size and weight of the Canon 250D and the Sony A900 is provided 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 width, height and depth dimensions are rounded to the nearest millimeter.
The 250D can be obtained in two different colors (black, white), while the A900 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A900 is considerably larger (61 percent) than the Canon 250D. Moreover, the A900 is substantially heavier (99 percent) than the 250D. It is noteworthy in this context that the A900 is splash and dust-proof, while the 250D 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.
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.
|Canon 250D»||4.8 in||3.7 in||2.8 in||15.8 oz||1070||n||Apr 2019||599||Canon 250D|
|Sony A900«||6.1 in||4.6 in||3.2 in||31.6 oz||880||Y||Sep 2008||2,999||Sony A900|
|Canon 850D« »||5.2 in||4.1 in||3.0 in||18.2 oz||800||n||Feb 2020||749||Canon 850D|
|Canon 2000D« »||5.1 in||4.0 in||3.1 in||16.8 oz||500||n||Feb 2018||449||Canon 2000D|
|Canon 4000D« »||5.1 in||4.0 in||3.0 in||15.4 oz||500||n||Feb 2018||399||Canon 4000D|
|Canon M50« »||4.6 in||3.5 in||2.3 in||13.8 oz||235||n||Feb 2018||779||Canon M50|
|Canon SX70« »||5.0 in||3.6 in||4.6 in||21.4 oz||325||n||Sep 2018||549||Canon SX70|
|Canon 77D« »||5.2 in||3.9 in||3.0 in||19.0 oz||600||n||Feb 2017||899||Canon 77D|
|Canon 200D« »||4.8 in||3.7 in||2.8 in||16.0 oz||650||n||Jun 2017||549||Canon 200D|
|Canon 800D« »||5.2 in||3.9 in||3.0 in||18.8 oz||600||n||Feb 2017||749||Canon 800D|
|Canon 760D« »||5.2 in||4.0 in||3.1 in||19.9 oz||440||n||Feb 2015||649||Canon 760D|
|Fujifilm X-T100« »||4.8 in||3.3 in||1.9 in||15.8 oz||430||n||May 2018||599||Fujifilm X-T100|
|Sony A9« »||5.0 in||3.8 in||2.5 in||23.7 oz||650||Y||Apr 2017||4,499||Sony A9|
|Sony A99 II« »||5.6 in||4.1 in||3.0 in||29.9 oz||490||Y||Sep 2016||3,199||Sony A99 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 A99« »||5.8 in||4.4 in||3.1 in||28.6 oz||500||Y||Sep 2012||2,799||Sony A99|
|Sony A850« »||6.1 in||4.6 in||3.2 in||31.6 oz||880||Y||Aug 2009||1,999||Sony A850|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. 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 250D was launched at a markedly lower price (by 80 percent) than the A900, 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.
The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 250D features an APS-C sensor and the Sony A900 a full frame sensor. The sensor area in the A900 is 160 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 24.4MP, the A900 offers a higher resolution than the 250D (24MP), but the A900 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 3.72μm for the 250D) due to its larger sensor. However, the 250D is a much more recent model (by 10 years and 7 months) than the A900, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.
The 250D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon EOS 250D has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. The corresponding ISO settings for the Sony Alpha A900 are ISO 200 to ISO 3200, with the possibility to increase the ISO range to 100-6400.
For many cameras, data on sensor performance has been reported by DXO Mark. 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. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Canon 250D||APS-C||24.0||6000||4000||4K/25p||..||..||..||..||Canon 250D|
|Sony A900||Full Frame||24.4||6048||4032||none||23.7||12.3||1431||79||Sony A900|
|Canon 850D||APS-C||24.0||6000||4000||4K/24p||..||..||..||..||Canon 850D|
|Canon 2000D||APS-C||24.0||6000||4000||1080/30p||22.6||11.9||1009||71||Canon 2000D|
|Canon 4000D||APS-C||17.9||5184||3456||1080/30p||21.9||11.4||695||63||Canon 4000D|
|Canon M50||APS-C||24.0||6000||4000||4K/24p||..||..||..||..||Canon M50|
|Canon SX70||1/2.3||20.2||5184||3888||4K/30p||..||..||..||..||Canon SX70|
|Canon 77D||APS-C||24.0||6000||4000||1080/60p||23.6||13.3||971||78||Canon 77D|
|Canon 200D||APS-C||24.0||6000||4000||1080/60p||23.6||13.4||1041||79||Canon 200D|
|Canon 800D||APS-C||24.0||6000||4000||1080/60p||..||..||..||..||Canon 800D|
|Canon 760D||APS-C||24.0||6000||4000||1080/30p||22.6||12.0||915||70||Canon 760D|
|Fujifilm X-T100||APS-C||24.0||6000||4000||4K/15p||..||..||..||..||Fujifilm X-T100|
|Sony A9||Full Frame||24.0||6000||4000||4K/30p||24.9||13.3||3517||92||Sony A9|
|Sony A99 II||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92||Sony A99 II|
|Sony A7S II||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85||Sony A7S II|
|Sony A99||Full Frame||24.0||6000||4000||1080/60p||25.0||14.0||1555||89||Sony A99|
|Sony A850||Full Frame||24.4||6048||4032||none||23.8||12.2||1415||79||Sony A850|
Many modern cameras cannot only take still pictures, but also record videos. The 250D indeed provides movie recording capabilities, while the A900 does not. The highest resolution format that the 250D can use is 4K/25p.
Beyond body and sensor, cameras can and do differ across a range of features. The 250D and the A900 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 viewfinder in the A900 offers a wider field of view (100%) than the one in the 250D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A900 has a higher magnification (0.74x vs 0.54x), 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 250D, the Sony A900, and comparable cameras.
|Canon 250D||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 250D|
|Sony A900||optical||Y||3.0||922||fixed||n||1/8000s||5.0||n||Y||Sony A900|
|Canon 850D||optical||n||3.0||1040||swivel||Y||1/4000s||7.5||Y||n||Canon 850D|
|Canon 2000D||optical||n||3.0||920||fixed||n||1/4000s||3.0||Y||n||Canon 2000D|
|Canon 4000D||optical||n||2.7||230||fixed||n||1/4000s||3.0||Y||n||Canon 4000D|
|Canon M50||2360||n||3.0||1040||swivel||Y||1/4000s||10.0||Y||n||Canon M50|
|Canon SX70||2360||n||3.0||922||swivel||n||1/2000s||10.0||Y||Y||Canon SX70|
|Canon 77D||optical||Y||3.0||1040||swivel||Y||1/4000s||6.0||Y||n||Canon 77D|
|Canon 200D||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 200D|
|Canon 800D||optical||n||3.0||1040||swivel||Y||1/4000s||6.0||Y||n||Canon 800D|
|Canon 760D||optical||Y||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 760D|
|Fujifilm X-T100||2360||n||3.0||1040||full-flex||Y||1/4000s||6.0||Y||n||Fujifilm X-T100|
|Sony A9||3686||n||3.0||1440||tilting||Y||1/8000s||20.0||n||Y||Sony A9|
|Sony A99 II||2400||Y||3.0||1229||full-flex||n||1/8000s||12.0||n||Y||Sony A99 II|
|Sony A7S II||2400||n||3.0||1229||tilting||n||1/8000s||5.0||n||Y||Sony A7S II|
|Sony A99||2359||Y||3.0||1229||full-flex||n||1/8000s||6.0||n||Y||Sony A99|
|Sony A850||optical||Y||3.0||922||fixed||n||1/8000s||3.0||n||Y||Sony A850|
One difference between the cameras concerns the presence of an on-board flash. The 250D has one, while the A900 does not. While the built-in flash of the 250D is not very powerful, it can at times be useful as a fill-in light.The 250D 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 A900 does not have a selfie-screen.
The Canon 250D 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 250D writes its imaging data to SDXC cards, while the A900 uses Compact Flash or Memory Stick PRO Duo cards. The A900 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 250D 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 250D and Sony Alpha A900 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon 250D||Y||stereo||mono||Y||-||mini||2.0||Y||-||Y||Canon 250D|
|Sony A900||Y||none||none||-||-||mini||2.0||-||-||-||Sony A900|
|Canon 850D||Y||stereo||mono||Y||-||mini||2.0||Y||-||Y||Canon 850D|
|Canon 2000D||Y||mono||mono||-||-||mini||2.0||Y||Y||-||Canon 2000D|
|Canon 4000D||Y||mono||mono||-||-||mini||2.0||Y||Y||-||Canon 4000D|
|Canon M50||Y||stereo||mono||Y||-||micro||2.0||Y||Y||Y||Canon M50|
|Canon SX70||-||stereo||mono||Y||-||micro||2.0||Y||-||Y||Canon SX70|
|Canon 77D||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon 77D|
|Canon 200D||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon 200D|
|Canon 800D||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon 800D|
|Canon 760D||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon 760D|
|Fujifilm X-T100||Y||stereo||mono||Y||-||micro||2.0||Y||-||Y||Fujifilm X-T100|
|Sony A9||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||Y||Sony A9|
|Sony A99 II||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||Y||Sony A99 II|
|Sony A7S II||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7S II|
|Sony A99||Y||stereo||mono||Y||Y||mini||2.0||-||-||-||Sony A99|
|Sony A850||Y||none||none||-||-||mini||2.0||-||-||-||Sony A850|
It is notable that the 250D offers wifi support, while the A900 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.
Studio photographers will appreciate that the Sony A900 (unlike the 250D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
The 250D is a recent model that features in the current product line-up of Canon. In contrast, the A900 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A900 was succeeded by the Sony A99. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.
So what conclusions can be drawn? Which of the two cameras – the Canon 250D or the Sony A900 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Canon EOS 250D:
- Broader imaging potential: Can record not only still images but also 4K/25p movies.
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
- More flexible LCD: Has a 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.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More compact: Is smaller (122x93mm vs 156x117mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 446g or 50 percent) and hence easier to carry around.
- Longer lasting: Can take more shots (1070 versus 880) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- 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 into a lower priced category (80 percent cheaper at launch).
- More modern: Reflects 10 years and 7 months of technical progress since the A900 launch.
Reasons to prefer the Sony Alpha A900:
- 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 (0.74x vs 0.54x).
- Easier setting verification: Features a control panel on top to check shooting parameters.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- 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.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More heavily discounted: Has been around for much longer (launched in September 2008).
If the number of relative strengths (bullet points above) is taken as a guide, the 250D is the clear winner of the match-up (15 : 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro 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 250D and the Sony A900 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 says little about, for example, the shooting experience and imaging performance of the 250D and the A900 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.
This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price 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.
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.
Specifications: Canon 250D vs Sony A900
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 250D||Sony A900|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Sony A mount lenses|
|Launch Date||April 2019||September 2008|
|Launch Price||USD 599||USD 2999|
|Sensor Specs||Canon 250D||Sony A900|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||22.3 x 14.9 mm||35.9 x 24.0 mm|
|Sensor Area||332.27 mm2||861.6 mm2|
|Sensor Diagonal||26.8 mm||43.2 mm|
|Sensor Resolution||24 Megapixels||24.4 Megapixels|
|Image Resolution||6000 x 4000 pixels||6048 x 4032 pixels|
|Pixel Pitch||3.72 μm||5.94 μm|
|Pixel Density||7.22 MP/cm2||2.83 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||4K/25p Video||no Video|
|ISO Setting||100-25600 ISO||200-3200 ISO|
|ISO Boost||100-51200 ISO||100-6400 ISO|
|Image Processor||DIGIC 8||BIONZ|
|DXO Sensor Quality (score)||..||79|
|DXO Color Depth (bits)||..||23.7|
|DXO Dynamic Range (EV)||..||12.3|
|DXO Low Light (ISO)||..||1431|
|Screen Specs||Canon 250D||Sony A900|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||95%||100%|
|Top-Level Screen||no Top Display||Control Panel|
|LCD Framing||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||1040k dots||922k dots|
|LCD Attachment||Swivel screen||Fixed screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Canon 250D||Sony A900|
|Autofocus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||5 shutter flaps/s||5 shutter flaps/s|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||CF or MS cards|
|Second Storage Option||Single card slot||Dual card slots|
|Connectivity Specs||Canon 250D||Sony A900|
|Studio Flash||no PC Sync||PC Sync socket|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Wifi Support||Wifi built-in||no Wifi|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Body Specs||Canon 250D||Sony A900|
|Environmental Sealing||Not weather sealed||Weathersealed body|
|Battery Life (CIPA)||1070 shots per charge||880 shots per charge|
122 x 93 x 70 mm
(4.8 x 3.7 x 2.8 in)
156 x 117 x 82 mm
(6.1 x 4.6 x 3.2 in)
|Camera Weight||449 g (15.8 oz)||895 g (31.6 oz)|
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