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Canon SX420 vs Sony A9

The Canon PowerShot SX420 IS and the Sony Alpha A9 are two digital cameras that were officially introduced, respectively, in January 2016 and April 2017. The SX420 is a fixed lens compact, while the A9 is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (SX420) and a full frame (A9) sensor. The Canon has a resolution of 19.9 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Canon SX420
versus
Sony A9
Canon SX420   Sony A9
Fixed lens compact camera Mirrorless system camera
24-1008mm f/3.5-6.6 Sony E mount lenses
19.9 MP – 1/2.3" sensor 24 MP – Full Frame sensor
720/25p Video 4K/30p Video
ISO 100-1,600 ISO 100-51,200 (50 - 204,800)
No viewfinder, LCD framing Electronic viewfinder (3686k dots)
3.0" LCD – 230k dots 3.0" LCD – 1440k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
0.5 shutter flaps per second 20 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
195 shots per battery charge650 shots per battery charge
104 x 69 x 85 mm, 325 g 127 x 96 x 63 mm, 673 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX420 IS and the Sony Alpha A9? 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.

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Body comparison

The physical size and weight of the Canon SX420 and the Sony A9 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The SX420 can be obtained in two different colors (black, red), while the A9 is only available in black.

Size Canon SX420 vs Sony A9
Compare SX420 versus A9 top
Comparison SX420 or A9 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A9 is considerably larger (70 percent) than the Canon SX420. It is noteworthy in this context that the A9 is splash and dust-proof, while the SX420 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX420 has a lens built in, whereas the A9 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 A9 and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the SX420 gets 195 shots out of its Canon NB-11LH battery, while the A9 can take 650 images on a single charge of its Sony NP-FZ100 power pack. The power pack in the A9 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.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon SX420 104 mm 69 mm 85 mm 325 g 195 n Jan 2016 US$ 299ebay.com
2.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 US$ 4 499ebay.com
3.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 US$ 799ebay.com
4.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 US$ 699ebay.com
5.
 
Canon M100 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 US$ 499ebay.com
6.
 
Canon SX410 104 mm 69 mm 85 mm 325 g 185 n Feb 2015 US$ 279ebay.com
7.
 
Canon SX430 104 mm 69 mm 85 mm 323 g 195 n Jan 2017 US$ 299ebay.com
8.
 
Canon SX610 105 mm 61 mm 27 mm 191 g 270 n Jan 2015 US$ 249ebay.com
9.
 
Canon SX620 97 mm 57 mm 28 mm 182 g 295 n May 2016 US$ 279ebay.com
10.
 
Canon SX710 113 mm 66 mm 35 mm 269 g 230 n Jan 2015 US$ 349ebay.com
11.
 
Canon SX720 110 mm 64 mm 36 mm 270 g 250 n Feb 2016 US$ 379ebay.com
12.
 
Canon SX730 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 US$ 399ebay.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 US$ 3 199ebay.com
16.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 US$ 3 899 amazon.com
17.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 US$ 4 499 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The SX420 was launched at a lower price than the A9, 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.

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 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon SX420 features a 1/2.3-inch sensor and the Sony A9 a full frame sensor. The sensor area in the A9 is 2925 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.0. The sensor in the SX420 has a native 4:3 aspect ratio, while the one in the A9 offers a 3:2 aspect.

Canon SX420 and Sony A9 sensor measures

With 24MP, the A9 offers a higher resolution than the SX420 (19.9MP), but the A9 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 1.19μm for the SX420) due to its larger sensor. Moreover, the A9 is a somewhat more recent model (by 1 year and 3 months) than the SX420, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the SX420 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A9 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon SX420 are 25.8 x 19.3 inches or 65.4 x 49.1 cm for good quality, 20.6 x 15.5 inches or 52.3 x 39.3 cm for very good quality, and 17.2 x 12.9 inches or 43.6 x 32.7 cm for excellent quality prints.

The A9 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon PowerShot SX420 IS has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Sony Alpha A9 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the SX420 is build around a CCD sensor, while the A9 uses a Stacked BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

SX420 versus A9 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon SX420 1/2.3 19.9 5152 3864720/25p20.311.780648
2.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
3.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
4.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p21.811.926062
5.
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
6.
 
Canon SX410 1/2.3 19.9 5152 3864720/30p20.211.672047
7.
 
Canon SX430 1/2.3 19.9 5152 3864720/25p20.511.990049
8.
 
Canon SX610 1/2.3 20.2 5184 38881080/30p20.211.671247
9.
 
Canon SX620 1/2.3 20.2 5184 38881080/30p20.411.883849
10.
 
Canon SX710 1/2.3 20.2 5184 38881080/60p20.211.671247
11.
 
Canon SX720 1/2.3 20.2 5184 38881080/60p20.311.881748
12.
 
Canon SX730 1/2.3 20.2 5184 38881080/60p20.511.992450
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
17.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
Note: DXO values in italics represent estimates based on sensor size and age.

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, but the A9 provides a better video resolution than the SX420. It can shoot movie footage at 4K/30p, while the Canon is limited to 720/25p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A9 has an electronic viewfinder (3686k dots), which can be very helpful when shooting in bright sunlight. In contrast, the SX420 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon SX420 and Sony A9 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon SX420none n3.0 / 230 fixed n 1/4000s 0.5/s Y Y
2.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
3.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
4.
 
Canon G7 X Mark IInone n3.0 / 1040 tilting Y 1/2000s 8.0/s Y Y
5.
 
Canon M100none n3.0 / 1040 tilting Y 1/4000s 6.1/s Y n
6.
 
Canon SX410none n3.0 / 230 fixed n 1/4000s 0.5/s Y Y
7.
 
Canon SX430none n3.0 / 230 fixed n 1/4000s 0.5/s Y Y
8.
 
Canon SX610none n3.0 / 922 fixed n 1/2000s 2.5/s Y Y
9.
 
Canon SX620none n3.0 / 922 fixed n 1/2000s 2.5/s Y Y
10.
 
Canon SX710none n3.0 / 922 fixed n 1/3200s 6.0/s Y Y
11.
 
Canon SX720none n3.0 / 922 fixed n 1/3200s 5.9/s Y Y
12.
 
Canon SX730none n3.0 / 922 tilting n 1/3200s 5.9/s Y Y
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
17.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The SX420 has one, while the A9 does not. While the built-in flash of the SX420 is not very powerful, it can at times be useful as a fill-in light.

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 A9 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 SX420 writes its imaging data to SDXC cards, while the A9 uses SDXC or Memory Stick PRO Duo cards. The A9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the SX420 only has one slot. The A9 supports UHS-II cards on its first slot and UHS-I on its second one, while the SX420 cannot take advantage of Ultra High Speed SD cards.

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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 PowerShot SX420 IS and Sony Alpha A9 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon SX420-mono / mono---2.0YY-
2.
 
Sony A9Ystereo / monoYYmicro2.0YYY
3.
 
Canon G5 XYstereo / mono--mini2.0YY-
4.
 
Canon G7 X Mark II-stereo / mono--micro2.0YY-
5.
 
Canon M100-stereo / mono--micro2.0YYY
6.
 
Canon SX410-stereo / mono---2.0---
7.
 
Canon SX430-mono / mono---2.0YY-
8.
 
Canon SX610-- / ---micro2.0YY-
9.
 
Canon SX620-mono / mono--micro2.0YY-
10.
 
Canon SX710-stereo / mono--micro2.0YY-
11.
 
Canon SX720-stereo / mono--micro2.0YY-
12.
 
Canon SX730-stereo / mono--micro2.0YYY
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
17.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY

It is notable that the A9 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The SX420 does not feature such a mic input.

Studio photographers will appreciate that the Sony A9 (unlike the SX420) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the SX420 and the A9 have been discontinued, but can regularly be found used on ebay. The SX420 was replaced by the Canon SX430, while the A9 was followed by the Sony A9 II. Further information on the features and operation of the SX420 and A9 can be found, respectively, in the Canon SX420 Manual (free pdf) or the online Sony A9 Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon SX420 or the Sony A9 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon PowerShot SX420 IS:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Ready to shoot: Has a lens built-in, whereas the A9 requires a separate lens.
  • More compact: Is smaller (104x69mm 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 A9).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been on the market for longer (launched in January 2016).

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Advantages of the Sony Alpha A9:

  • More detail: Has more megapixels (24 vs 19.9MP), which boosts linear resolution by 12%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/30p vs 720/25p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 0.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (650 versus 195) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II and UHS-I) SDXC cards.
  • More modern: Was introduced somewhat (1 year and 3 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the A9 is the clear winner of the contest (27 : 7 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 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.

SX420 07:27 A9

How about other alternatives? Do the specifications of the Canon SX420 and the Sony A9 place the cameras among the top in their class? Find out in the latest Best Superzoom 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 SX420 or the A9 perform in practice. 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 where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon SX420..........3/5 Jan 2016 US$ 299ebay.com
2.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 US$ 4 499ebay.com
3.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 US$ 799ebay.com
4.
 
Canon G7 X Mark II4.5/5+ +..81/1004.5/54.5/5 Feb 2016 US$ 699ebay.com
5.
 
Canon M1003/5+....4/53.5/5 Aug 2017 US$ 499ebay.com
6.
 
Canon SX410..o........ Feb 2015 US$ 279ebay.com
7.
 
Canon SX430........3.5/53.5/5 Jan 2017 US$ 299ebay.com
8.
 
Canon SX610........4/54/5 Jan 2015 US$ 249ebay.com
9.
 
Canon SX620..........4/5 May 2016 US$ 279ebay.com
10.
 
Canon SX710..+....4/53.5/5 Jan 2015 US$ 349ebay.com
11.
 
Canon SX720..+....4/54.5/5 Feb 2016 US$ 379ebay.com
12.
 
Canon SX730..+....4/54/5 Apr 2017 US$ 399ebay.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
16.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 US$ 3 899 amazon.com
17.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 US$ 4 499 amazon.com
Note: (+ +) 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. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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 your choice using the following search menu. 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 SX420 vs Sony A9

    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 SX420 Sony A9
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-1008mm f/3.5-6.6 Sony E mount lenses
    Launch Date January 2016 April 2017
    Launch Price USD 299 USD 4,499
    Sensor Specs Canon SX420 Sony A9
    Sensor Technology CCD Stacked BSI-CMOS
    Sensor Format 1/2.3" Sensor Full Frame Sensor
    Sensor Size 6.17 x 4.55 mm 35.6 x 23.8 mm
    Sensor Area 28.0735 mm2 847.28 mm2
    Sensor Diagonal 7.7 mm 42.8 mm
    Crop Factor 5.6x 1.0x
    Sensor Resolution 19.9 Megapixels 24 Megapixels
    Image Resolution 5152 x 3864 pixels 6000 x 4000 pixels
    Pixel Pitch 1.19 μm 5.94 μm
    Pixel Density 70.91 MP/cm2 2.83 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 720/25p Video 4K/30p Video
    ISO Setting 100 - 1,600 ISO 100 - 51,200 ISO
    ISO Boost no Enhancement 50 - 204,800 ISO
    Image Processor DIGIC 4+ BIONZ X
    DXO Sensor Quality (score) .. 92
    DXO Color Depth (bits) .. 24.9
    DXO Dynamic Range (EV) .. 13.3
    DXO Low Light (ISO) .. 3517
    Screen Specs Canon SX420 Sony A9
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon SX420 Sony A9
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 0.5 shutter flaps/s 20 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no Single UHS-II
    Connectivity Specs Canon SX420 Sony A9
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon SX420 Sony A9
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-11LH Sony NP-FZ100
    Battery Life (CIPA)195 shots per charge650 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 104 x 69 x 85 mm
    (4.1 x 2.7 x 3.3 in)
    127 x 96 x 63 mm
    (5.0 x 3.8 x 2.5 in)
    Camera Weight 325 g (11.5 oz) 673 g (23.7 oz)
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    Check SX420 offers at
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    Check A9 offers at
    ebay.com

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