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Olympus E-400 vs Sony A7S II

The Olympus E-400 and the Sony Alpha 7S II are two digital cameras that were revealed to the public, respectively, in September 2006 and September 2015. The E-400 is a DSLR, while the A7S II is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-400) and a full frame (A7S II) sensor. The Olympus has a resolution of 10 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 E-400
versus
Sony A7S II
Olympus E-400   Sony A7S II
Digital single lens reflex Mirrorless system camera
Four Thirds lenses Sony E mount lenses
10 MP – Four Thirds sensor 12 MP – Full Frame sensor
no Video 4K/30p Video
ISO 100-1,600 ISO 100-102,400 (50 - 409,600)
Optical viewfinder Electronic viewfinder (2400k dots)
2.5" LCD – 215k dots 3.0" LCD – 1229k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
3 shutter flaps per second 5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
500 shots per battery charge370 shots per battery charge
130 x 91 x 53 mm, 435 g 127 x 96 x 60 mm, 627 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-400 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.

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Body comparison

An illustration of the physical size and weight of the Olympus E-400 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.

Size Olympus E-400 vs Sony A7S II
Compare E-400 versus A7S II top
Comparison E-400 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 somewhat larger (3 percent) than the Olympus E-400. Moreover, the A7S II is substantially heavier (44 percent) than the E-400. It is noteworthy in this context that the A7S II is splash and dust-proof, while the E-400 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Four Thirds Lens Catalog (E-400) and the Sony FE Lens Catalog (A7S II). Mirrorless cameras, such as the A7S II, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the E-400 gets 500 shots out of its Olympus BLS-1 battery, while the A7S II can take 370 images on a single charge of its Sony NP-FW50 power pack. The power pack in the A7S II can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.
 
Olympus E-400 130 mm 91 mm 53 mm 435 g 500 n Sep 2006 US$ 699ebay.com
2.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 US$ 2 999ebay.com
3.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 US$ 729ebay.com
4.
 
Olympus E-410 130 mm 91 mm 53 mm 435 g 500 n Mar 2007 US$ 699ebay.com
5.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 US$ 599ebay.com
6.
 
Olympus E-450 130 mm 91 mm 53 mm 440 g 500 n Mar 2009 US$ 499ebay.com
7.
 
Olympus E-500 130 mm 95 mm 66 mm 479 g 750 n Sep 2005 US$ 599ebay.com
8.
 
Olympus E-510 136 mm 92 mm 68 mm 538 g 750 n Mar 2007 US$ 799ebay.com
9.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 US$ 699ebay.com
10.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 US$ 799ebay.com
11.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 US$ 599ebay.com
12.
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 US$ 599ebay.com
13.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 US$ 2 499 amazon.com
14.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
15.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 US$ 3 499ebay.com
16.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 US$ 2 499ebay.com
17.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 US$ 3 499 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 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 E-400 was launched at a markedly lower price (by 77 percent) than the A7S II, which puts it into a different market segment. 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 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-400 features a Four Thirds sensor and the Sony A7S II a full frame sensor. The sensor area in the A7S II is 276 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.0. The sensor in the E-400 has a native 4:3 aspect ratio, while the one in the A7S II offers a 3:2 aspect.

Olympus E-400 and Sony A7S II sensor measures

With 12MP, the A7S II offers a higher resolution than the E-400 (10MP), but the A7S II nevertheless has larger individual pixels (pixel pitch of 8.40μm versus 4.74μm for the E-400) due to its larger sensor. Moreover, the A7S II is a much more recent model (by 8 years and 11 months) than the E-400, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A7S II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7S II for good quality output (200 dots per inch) amounts to 21.2 x 14.2 inches or 53.8 x 36 cm, for very good quality (250 dpi) 17 x 11.3 inches or 43.1 x 28.8 cm, and for excellent quality (300 dpi) 14.1 x 9.4 inches or 35.9 x 24 cm. The corresponding values for the Olympus E-400 are 18.2 x 13.7 inches or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inches or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inches or 30.9 x 23.2 cm for excellent quality prints.

The Olympus E-400 has a native sensitivity range from ISO 100 to ISO 1600. 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.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

E-400 versus A7S II 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 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.
 
Olympus E-400 Four Thirds 10.0 3648 2736none21.010.612753
2.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
3.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
4.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
5.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
6.
 
Olympus E-450 Four Thirds 10.0 3648 2736none21.510.551256
7.
 
Olympus E-500 Four Thirds 8.0 3264 2448none20.710.34551
8.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
9.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
10.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
11.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
12.
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955
13.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
14.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
15.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
16.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
17.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
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. The A7S II indeed provides for movie recording, while the E-400 does not. The highest resolution format that the A7S II can use is 4K/30p.

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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), while the E-400 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the A7S II offers a wider field of view (100%) than the one in the E-400 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7S II has a higher magnification (0.78x vs 0.46x), 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 Olympus E-400, the Sony A7S II, and comparable 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.
 
Olympus E-400optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
2.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
3.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
4.
 
Olympus E-410optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
5.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
6.
 
Olympus E-450optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
7.
 
Olympus E-500optical n2.5 / 215 fixed n 1/4000s 2.5/s Y n
8.
 
Olympus E-510optical n2.5 / 215 fixed n 1/4000s 3.0/s Y Y
9.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
10.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
11.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
12.
 
Panasonic L10optical n2.5 / 207 swivel n 1/4000s 3.0/s Y n
13.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
14.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
17.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/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 E-400 has one, while the A7S II does not. While the built-in flash of the E-400 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 E-400 writes its imaging data to Compact Flash or xD Picture cards, while the A7S II uses SDXC or Memory Stick PRO Duo cards. The E-400 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A7S II only has one slot.

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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 Olympus E-400 and Sony Alpha 7S 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.
 
Olympus E-400Y- / ----2.0---
2.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
3.
 
Nikon D40XY- / ----2.0---
4.
 
Olympus E-410Y- / ----2.0---
5.
 
Olympus E-420Y- / ----2.0---
6.
 
Olympus E-450Y- / ----2.0---
7.
 
Olympus E-500Y- / ----2.0---
8.
 
Olympus E-510Y- / ----2.0---
9.
 
Olympus E-620Y- / ----2.0---
10.
 
Olympus E-P3Ystereo / ---mini2.0---
11.
 
Olympus E-PL2Ystereo / ---mini2.0---
12.
 
Panasonic L10Y- / ----2.0---
13.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
14.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
16.
 
Sony A7SYstereo / monoYYmicro2.0YY-
17.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y

It is notable that the A7S II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-400 does not provide wifi capability.

Both the E-400 and the A7S II have been discontinued, but can regularly be found used on ebay. The E-400 was replaced by the Olympus E-410, while the A7S II was followed by the Sony A7S III. Further information on the features and operation of the E-400 and A7S II can be found, respectively, in the Olympus E-400 Manual (free pdf) or the online Sony A7S II Manual.

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Review summary

So what is the bottom line? Is the Olympus E-400 better than the Sony A7S II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Olympus E-400:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Less heavy: Is lighter (by 192g or 31 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (500 versus 370) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was introduced into a lower priced category (77 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2006).

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Arguments in favor of the Sony Alpha 7S II:

  • More detail: Has more megapixels (12 vs 10MP), which boosts linear resolution by 12%.
  • 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.
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • 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 (0.78x vs 0.46x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 215k 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 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More modern: Reflects 8 years and 11 months of technical progress since the E-400 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A7S II is the clear winner of the contest (22 : 7 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.

E-400 07:22 A7S II

How about other alternatives? Do the specifications of the Olympus E-400 and the Sony A7S II place the cameras among the top in their class? Find out in the latest Best DSLR 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-400 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 expert reviews are important. 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.
 
Olympus E-400..85/100....4/54/5 Sep 2006 US$ 699ebay.com
2.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 US$ 2 999ebay.com
3.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 US$ 729ebay.com
4.
 
Olympus E-410..86/100..+ +4/54.5/5 Mar 2007 US$ 699ebay.com
5.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 US$ 599ebay.com
6.
 
Olympus E-450........4/54/5 Mar 2009 US$ 499ebay.com
7.
 
Olympus E-500..76/100..+ +.... Sep 2005 US$ 599ebay.com
8.
 
Olympus E-510..89/100..+ +3.5/54.5/5 Mar 2007 US$ 799ebay.com
9.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 US$ 699ebay.com
10.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 US$ 799ebay.com
11.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 US$ 599ebay.com
12.
 
Panasonic L10..85/100..+3.5/54/5 Aug 2007 US$ 599ebay.com
13.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 US$ 2 499 amazon.com
14.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
15.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 US$ 3 499ebay.com
16.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 US$ 2 499ebay.com
17.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 US$ 3 499 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, 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, please note that some of the review sites have changed their methodology and reporting over time.

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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 use the search menu below. 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: Olympus E-400 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 E-400 Sony A7S II
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Four Thirds lenses Sony E mount lenses
    Launch Date September 2006 September 2015
    Launch Price USD 699 USD 2,999
    Sensor Specs Olympus E-400 Sony A7S II
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.6 x 23.8 mm
    Sensor Area 224.9 mm2 847.28 mm2
    Sensor Diagonal 21.6 mm 42.8 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 10 Megapixels 12 Megapixels
    Image Resolution 3648 x 2736 pixels 4240 x 2832 pixels
    Pixel Pitch 4.74 μm 8.40 μm
    Pixel Density 4.44 MP/cm2 1.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 1,600 ISO 100 - 102,400 ISO
    ISO Boost no Enhancement 50 - 409,600 ISO
    Image Processor TruePic 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 E-400 Sony A7S II
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.46x 0.78x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 215k dots 1229k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Olympus E-400 Sony A7S II
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF or XD cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    Connectivity Specs Olympus E-400 Sony A7S II
    External Flash Hotshoe Hotshoe
    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 no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Olympus E-400 Sony A7S II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Olympus BLS-1 Sony NP-FW50
    Battery Life (CIPA)500 shots per charge370 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 130 x 91 x 53 mm
    (5.1 x 3.6 x 2.1 in)
    127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 435 g (15.3 oz) 627 g (22.1 oz)
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    Check E-400 offers at
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    Check A7S II offers at
    ebay.com

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