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Canon SX420 vs Sony A99 II

The Canon PowerShot SX420 IS and the Sony Alpha ALT-A99 II are two digital cameras that were officially introduced, respectively, in January 2016 and September 2016. The SX420 is a fixed lens compact, while the A99 II is a DSLR. The cameras are based on a 1/2.3-inch (SX420) and a full frame (A99 II) sensor. The Canon has a resolution of 19.9 megapixels, whereas the Sony provides 42.2 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 A99 II
Canon SX420   Sony A99 II
Fixed lens compact camera Digital single lens reflex
24-1008mm f/3.5-6.6 Sony A mount lenses
19.9 MP – 1/2.3" sensor 42.2 MP – Full Frame sensor
720/25p Video 4K/30p Video
ISO 100-1,600 ISO 100-25,600
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0" LCD – 230k dots 3.0" LCD – 1229k dots
Fixed screen (not touch-sensitive) Fully flexible screen (no touchscreen)
0.5 shutter flaps per second 12 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
195 shots per battery charge490 shots per battery charge
104 x 69 x 85 mm, 325 g 143 x 104 x 76 mm, 849 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 ALT-A99 II? 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 A99 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 width, height and depth dimensions are rounded to the nearest millimeter.

The SX420 can be obtained in two different colors (black, red), while the A99 II is only available in black.

Size Canon SX420 vs Sony A99 II
Compare SX420 versus A99 II top
Comparison SX420 or A99 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 II is considerably larger (107 percent) than the Canon SX420. It is noteworthy in this context that the A99 II 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 A99 II is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the SX420 gets 195 shots out of its Canon NB-11LH battery, while the A99 II can take 490 images on a single charge of its Sony NP-FM500H power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 US$ 3 199ebay.com
3.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
4.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 US$ 799ebay.com
5.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 US$ 699ebay.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.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 US$ 3 299 amazon.com
14.
 
Panasonic ZS70 112 mm 67 mm 41 mm 322 g 380 n Apr 2017 US$ 449ebay.com
15.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
16.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
17.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 US$ 2 999ebay.com
Note: 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 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 A99 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

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. 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 are more costly to manufacture and tend to 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 A99 II a full frame sensor. The sensor area in the A99 II is 2979 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 A99 II offers a 3:2 aspect.

Canon SX420 and Sony A99 II sensor measures

With 42.2MP, the A99 II offers a higher resolution than the SX420 (19.9MP), but the A99 II nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 1.19μm for the SX420) due to its larger sensor. Moreover, the A99 II is a somewhat more recent model (by 8 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony A99 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A99 II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 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 A99 II 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 ALT-A99 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.

In terms of underlying technology, the SX420 is build around a CCD sensor, while the A99 II uses a 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 A99 II MP

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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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 A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
3.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
4.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
5.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p21.811.926062
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.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
14.
 
Panasonic ZS70 1/2.3 20.2 5184 38884K/30p19.110.610636
15.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
16.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
17.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
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 also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A99 II 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

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A99 II has an electronic viewfinder (2400k 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 adjacent table lists some of the other core features of the Canon SX420 and Sony A99 II along with similar information for a selection of comparators.

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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 A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
3.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
5.
 
Canon G7 X Mark IInone n3.0 / 1040 tilting Y 1/2000s 8.0/s Y Y
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.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
14.
 
Panasonic ZS701166 n3.0 / 1040 tilting Y 1/2000s 10.0/s Y Y
15.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/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 A99 II 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 A99 II 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 SX420 does not have a selfie-screen.

The SX420 writes its imaging data to SDXC cards, while the A99 II uses SDXC or Memory Stick PRO Duo cards. The A99 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the SX420 only has one slot. The A99 II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), 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 ALT-A99 II 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 A99 IIYstereo / monoYYmicro2.0YYY
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Canon G5 XYstereo / mono--mini2.0YY-
5.
 
Canon G7 X Mark II-stereo / mono--micro2.0YY-
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.
 
Nikon D850Ystereo / monoYYmini3.0YYY
14.
 
Panasonic ZS70-stereo / mono--micro2.0Y--
15.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
17.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-

It is notable that the A99 II 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 A99 II (unlike the SX420) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the SX420 and the A99 II have been discontinued, but can regularly be found used on ebay. The SX420 was replaced by the Canon SX430, while the A99 II does not have a direct successor. Further information on the features and operation of the SX420 and A99 II can be found, respectively, in the Canon SX420 Manual (free pdf) or the online Sony A99 II Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon SX420 or the Sony A99 II – 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.

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Arguments in favor of the Canon PowerShot SX420 IS:

  • Ready to shoot: Comes with a built-in lens, while the A99 II requires a separate lens.
  • More compact: Is smaller (104x69mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A99 II).
  • 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 ALT-A99 II:

  • More detail: Has more megapixels (42.2 vs 19.9MP), which boosts linear resolution by 48%.
  • 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.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 230k dots).
  • More flexible LCD: Has a full-flex 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 0.5 flaps/sec) to capture the decisive moment.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (490 versus 195) out of a single battery charge.
  • 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: Has an SD card interface that supports the UHS-I standard.
  • More modern: Was introduced somewhat (8 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the A99 II 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 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.

SX420 06:25 A99 II

How about other alternatives? Do the specifications of the Canon SX420 and the Sony A99 II place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the SX420 and the A99 II in practical situations. 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.

Expert reviews

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 (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 A99 II....4.5/585/1004.5/54.5/5 Sep 2016 US$ 3 199ebay.com
3.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
4.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 US$ 799ebay.com
5.
 
Canon G7 X Mark II4.5/5+ +..81/1004.5/54.5/5 Feb 2016 US$ 699ebay.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.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 US$ 3 299 amazon.com
14.
 
Panasonic ZS70..+ +....4/54/5 Apr 2017 US$ 449ebay.com
15.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
16.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
17.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 US$ 2 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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 your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon SX420 vs Sony A99 II

    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 A99 II
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-1008mm f/3.5-6.6 Sony A mount lenses
    Launch Date January 2016 September 2016
    Launch Price USD 299 USD 3,199
    Sensor Specs Canon SX420 Sony A99 II
    Sensor Technology CCD BSI-CMOS
    Sensor Format 1/2.3" Sensor Full Frame Sensor
    Sensor Size 6.17 x 4.55 mm 35.9 x 24.0 mm
    Sensor Area 28.0735 mm2 861.6 mm2
    Sensor Diagonal 7.7 mm 43.2 mm
    Crop Factor 5.6x 1.0x
    Sensor Resolution 19.9 Megapixels 42.2 Megapixels
    Image Resolution 5152 x 3864 pixels 7952 x 5304 pixels
    Pixel Pitch 1.19 μm 4.52 μm
    Pixel Density 70.91 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 720/25p Video 4K/30p Video
    ISO Setting 100 - 1,600 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 25,600 ISO
    Image Processor DIGIC 4+ BIONZ X
    DXO Sensor Quality (score) .. 92
    DXO Color Depth (bits) .. 25.4
    DXO Dynamic Range (EV) .. 13.4
    DXO Low Light (ISO) .. 2317
    Screen Specs Canon SX420 Sony A99 II
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2400k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 1229k dots
    LCD Attachment Fixed screen Fully flexible screen
    Shooting Specs Canon SX420 Sony A99 II
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 0.5 shutter flaps/s 12 shutter flaps/s
    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 UHS-I
    Connectivity Specs Canon SX420 Sony A99 II
    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 A99 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-11LH Sony NP-FM500H
    Battery Life (CIPA)195 shots per charge490 shots per charge
    Body Dimensions 104 x 69 x 85 mm
    (4.1 x 2.7 x 3.3 in)
    143 x 104 x 76 mm
    (5.6 x 4.1 x 3.0 in)
    Camera Weight 325 g (11.5 oz) 849 g (29.9 oz)
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    Check SX420 offers at
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    Check A99 II offers at
    ebay.com

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