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Olympus TG-4 vs Sony A7S II

The Olympus Tough TG-4 and the Sony Alpha 7S II are two digital cameras that were announced, respectively, in April 2015 and September 2015. The TG-4 is a fixed lens compact, while the A7S II is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (TG-4) and a full frame (A7S II) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Sony provides 12 MP.

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

Headline Specifications
Olympus TG-4   VS Sony A7S II
Olympus TG-4 Sony A7S II
Fixed lens compact camera Mirrorless system camera
25-100mm f/2.0-4.9 Sony E mount lenses
15.9 MP, 1/2.3" Sensor 12 MP, Full Frame Sensor
1080/30p Video 4K/30p Video
ISO 100-6400 ISO 100-102400 (50-409600)
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0" LCD, 460k dots 3.0" LCD, 1229k dots
Fixed screen (not touch-sensitive) Tilting screen (not touch-sensitive)
5 shutter flaps per second 5 shutter flaps per second
In-body stabilizationIn-body stabilization
Waterproof body (nom)Weathersealed body
380 shots per battery charge370 shots per battery charge
112 x 66 x 31 mm, 247 g 127 x 96 x 60 mm, 627 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus Tough TG-4 and the Sony Alpha 7S 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.

Body comparison

An illustration of the physical size and weight of the Olympus TG-4 and the Sony A7S II is provided 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 TG-4 can be obtained in two different colors (black, red), while the A7S II is only available in black.

Size Olympus TG-4 vs Sony A7S II
Compare TG-4 versus A7S II top
Comparison TG-4 or A7S II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S II is considerably larger (65 percent) than the Olympus TG-4. 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. More than that, the TG-4 is water-proof up to 15m and can, thus, be used for underwater photography.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TG-4 has a lens built in, whereas the A7S 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 A7S II and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the TG-4 gets 380 shots out of its LI-92B battery, while the A7S II can take 370 images on a single charge of its NP-FW50 power pack. The battery packs of both cameras can be charged via USB, 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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Olympus TG-4» 4.4 in 2.6 in 1.2 in 8.7 oz 380 Y Apr 2015 379iOlympus TG-4
 
Sony A7S II« 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999 iSony A7S II
 
Canon SX700« » 4.4 in 2.6 in 1.4 in 9.5 oz 250 n Feb 2014 349iCanon SX700
 
Fujifilm XP140« » 4.3 in 2.8 in 1.1 in 7.3 oz 240 Y Feb 2019 229 iFujifilm XP140
 
Fujifilm XP130« » 4.3 in 2.8 in 1.1 in 7.3 oz 240 n Jan 2018 229iFujifilm XP130
 
Fujifilm XP120« » 4.3 in 2.8 in 1.1 in 7.2 oz 210 Y Jan 2017 229iFujifilm XP120
 
Nikon W300« » 4.4 in 2.6 in 1.1 in 8.1 oz 280 Y May 2017 389 iNikon W300
 
Olympus TG-6« » 4.4 in 2.6 in 1.3 in 8.9 oz 340 Y May 2019 449 iOlympus TG-6
 
Olympus TG-5« » 4.4 in 2.6 in 1.3 in 8.8 oz 340 Y May 2017 449iOlympus TG-5
 
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099iOlympus E-M5 II
 
Sony A7R IV« » 5.1 in 3.8 in 3.1 in 23.5 oz 670 Y Jul 2019 3,499 iSony A7R IV
 
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199iSony A7R III
 
Sony HX80« » 4.0 in 2.3 in 1.4 in 8.6 oz 390 n Mar 2016 349 iSony HX80
 
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199iSony A7R II
 
Sony HX90V« » 4.0 in 2.3 in 1.4 in 8.6 oz 360 n Apr 2015 429 iSony HX90V
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999iSony A7 II
 
Sony A7S« » 5.0 in 3.7 in 1.9 in 17.2 oz 380 Y Apr 2014 2,499iSony A7S
Note: Measurements and pricing do not include easily detachable parts, such as 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 TG-4 was launched at a lower price than the A7S II, 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. 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 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. 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus TG-4 features a 1/2.3-inch sensor and the Sony A7S II a full frame sensor. The sensor area in the A7S II 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 TG-4 has a native 4:3 aspect ratio, while the one in the A7S II offers a 3:2 aspect.

Olympus TG-4 and Sony A7S II sensor measures

Despite having a smaller sensor, the Olympus TG-4 offers a higher resolution of 15.9 megapixels, compared with 12 MP of the Sony A7S II. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 1.33μm versus 8.40μm for the A7S II). Moreover, it should be noted that the A7S II is a somewhat more recent model (by 4 months) than the TG-4, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Olympus TG-4 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the TG-4 for good quality output (200 dots per inch) amounts to 23 x 17.3 inch or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inch or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inch or 39 x 29.3 cm. The corresponding values for the Sony A7S II are 21.2 x 14.2 inch or 53.8 x 36 cm for good quality, 17 x 11.3 inch or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inch or 35.9 x 24 cm for excellent quality prints.

The Olympus Tough TG-4 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Sony Alpha 7S II are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.

TG-4 versus A7S II MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Olympus TG-4 1/2.3 15.9 4608 34561080/30p........Olympus TG-4
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II
 
Canon SX700 1/2.3 15.9 4608 34561080/60p........Canon SX700
 
Fujifilm XP140 1/2.3 15.9 4608 34564K/15p........Fujifilm XP140
 
Fujifilm XP130 1/2.3 15.9 4608 34561080/60p........Fujifilm XP130
 
Fujifilm XP120 1/2.3 15.9 4608 34561080/60p........Fujifilm XP120
 
Nikon W300 1/2.3 15.9 4608 34564K/30p........Nikon W300
 
Olympus TG-6 1/2.3 12.0 4000 30004K/30p........Olympus TG-6
 
Olympus TG-5 1/2.3 12.0 4000 30004K/30p........Olympus TG-5
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p........Sony A7R IV
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Sony HX80 1/2.3 18.0 4896 36721080/60p........Sony HX80
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony HX90V 1/2.3 18.0 4896 36721080/60p........Sony HX90V
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287Sony A7S

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 A7S II provides a better video resolution than the TG-4. It can shoot movie footage at 4K/30p, while the Olympus is limited to 1080/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7S II has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the TG-4 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Olympus TG-4, the Sony A7S II, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Olympus TG-4none n 3.0 460 fixed n 1/2000s 5.0 Y Y Olympus TG-4
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7S II
 
Canon SX700none n 3.0 922 fixed n 1/3200s 8.5 Y Y Canon SX700
 
Fujifilm XP140none n 3.0 920 fixed n 1/2000s 10.0 Y Y Fujifilm XP140
 
Fujifilm XP130none n 3.0 920 fixed n 1/2000s 10.0 Y Y Fujifilm XP130
 
Fujifilm XP120none n 3.0 920 fixed n 1/2000s 10.0 Y Y Fujifilm XP120
 
Nikon W300none n 3.0 921 fixed n 1/4000s 7.0 Y Y Nikon W300
 
Olympus TG-6none n 3.0 1040 fixed n 1/2000s 20.0 Y Y Olympus TG-6
 
Olympus TG-5none n 3.0 460 fixed n 1/2000s 20.0 Y Y Olympus TG-5
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Sony A7R IV5760 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R IV
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony HX80638 n 3.0 922 tilting n 1/2000s 10.0 Y Y Sony HX80
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony HX90V638 n 3.0 921 tilting n 1/2000s 10.0 Y Y Sony HX90V
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A7S2400 n 3.0 921 tilting n 1/8000s 5.0 n n Sony A7S

One difference between the cameras concerns the presence of an on-board flash. The TG-4 has one, while the A7S II does not. While the built-in flash of the TG-4 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 A7S II 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 Olympus TG-4 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 TG-4 writes its imaging data to SDXC cards, while the A7S II uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

 

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 Olympus Tough TG-4 and Sony Alpha 7S II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Olympus TG-4-stereomono--micro2.0Y--Olympus TG-4
 
Sony A7S IIYstereomonoYYmicro2.0YY-Sony A7S II
 
Canon SX700-stereomono--micro2.0YY-Canon SX700
 
Fujifilm XP140-monomono--micro2.0Y-YFujifilm XP140
 
Fujifilm XP130-monomono--micro2.0Y-YFujifilm XP130
 
Fujifilm XP120-monomono--micro2.0Y--Fujifilm XP120
 
Nikon W300-stereomono--micro2.0Y-YNikon W300
 
Olympus TG-6-stereomono--micro2.0Y--Olympus TG-6
 
Olympus TG-5-stereomono--micro2.0Y--Olympus TG-5
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--Olympus E-M5 II
 
Sony A7R IVYstereomonoYYmicro3.1YYYSony A7R IV
 
Sony A7R IIIYstereomonoYYmicro3.1YYYSony A7R III
 
Sony HX80-stereomono--micro2.0YY-Sony HX80
 
Sony A7R IIYstereomonoYYmicro2.0YY-Sony A7R II
 
Sony HX90V-stereomono--micro2.0YY-Sony HX90V
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A7SYstereomonoYYmicro2.0YY-Sony A7S

It is notable that the A7S II has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The TG-4 does not feature such a mic input.

Travel and landscape photographers will find it useful that the TG-4 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The A7S II is a recent model that features in the current product line-up of Sony. In contrast, the TG-4 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the TG-4 was succeeded by the Olympus TG-5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Sony websites.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Olympus TG-4 and the Sony A7S II? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Olympus Tough TG-4:

  • More detail: Offers more megapixels (15.9 vs 12MP) with a 13% higher linear resolution.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has a lens built-in, whereas the A7S II requires a separate lens.
  • More compact: Is smaller (112x66mm 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 A7S II).
  • Water-proof: Is rugged and sealed and can thus be used for underwater photography (up to 15m).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • 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 April 2015).

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Arguments in favor of the Sony Alpha 7S II:

  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • 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 (1229k vs 460k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More modern: Was introduced somewhat (4 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the A7S II is the clear winner of the contest (16 : 10 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision 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.

TG-4 10:16 A7S II

How about other alternatives? Do the specifications of the Olympus TG-4 and the Sony A7S II place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the TG-4 or the A7S II. 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 why hands-on reviews by experts 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Olympus TG-4+79/1004/54/54/5 Apr 2015 379iOlympus TG-4
 
Sony A7S II+..4.5/55/55/5 Sep 2015 2,999 iSony A7S II
 
Canon SX700+ +..4/5..4/5 Feb 2014 349iCanon SX700
 
Fujifilm XP140+..3.5/5..4/5 Feb 2019 229 iFujifilm XP140
 
Fujifilm XP130o..3.5/5..4/5 Jan 2018 229iFujifilm XP130
 
Fujifilm XP120o..3.5/5..4/5 Jan 2017 229iFujifilm XP120
 
Nikon W300+..4/5..4/5 May 2017 389 iNikon W300
 
Olympus TG-6+ +76/1004/5..4/5 May 2019 449 iOlympus TG-6
 
Olympus TG-5+ +..4/5o4/5 May 2017 449iOlympus TG-5
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099iOlympus E-M5 II
 
Sony A7R IV+91/1004.5/55/55/5 Jul 2019 3,499 iSony A7R IV
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199iSony A7R III
 
Sony HX80.......... Mar 2016 349 iSony HX80
 
Sony A7R II+ +90/1005/54.5/55/5 Jun 2015 3,199iSony A7R II
 
Sony HX90V+ +..4/5..4.5/5 Apr 2015 429 iSony HX90V
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999iSony A7 II
 
Sony A7S..86/1004.5/54.5/55/5 Apr 2014 2,499iSony A7S
Notes: (+ +) 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 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.

Olympus TG-4:
Check Ebay offers
Sony A7S II:
Check Amazon price

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: Olympus TG-4 vs Sony A7S 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 Olympus TG-4 Sony A7S II
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 25-100mm f/2.0-4.9 Sony E mount lenses
    Launch Date April 2015 September 2015
    Launch Price USD 379 USD 2999
    Sensor Specs Olympus TG-4 Sony A7S II
    Sensor Technology BSI-CMOS 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 15.9 Megapixels 12 Megapixels
    Image Resolution 4608 x 3456 pixels 4240 x 2832 pixels
    Pixel Pitch 1.33 μm 8.40 μm
    Pixel Density 56.73 MP/cm2 1.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100-6400 ISO 100-102400 ISO
    ISO Boost no Enhancement 50-409600 ISO
    Image Processor TruePic VII BIONZ X
    DXO Sensor Quality (score) .. 85
    DXO Color Depth (bits) .. 23.6
    DXO Dynamic Range (EV) .. 13.3
    DXO Low Light (ISO) .. 2993
    Screen Specs Olympus TG-4 Sony A7S II
    Viewfinder Type No viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 460k dots 1229k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Olympus TG-4 Sony A7S II
    Autofocus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/2000/s 1/8000/s
    Continuous Shooting 5 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Olympus TG-4 Sony A7S II
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro 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 no NFC NFC built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Olympus TG-4 Sony A7S II
    Environmental SealingWaterproof body (15m)Weathersealed body
    Battery Type LI-92B NP-FW50
    Battery Life (CIPA)380 shots per charge370 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 112 x 66 x 31 mm
    (4.4 x 2.6 x 1.2 in)
    127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 247 g (8.7 oz) 627 g (22.1 oz)

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