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Olympus E-1 vs Sony A7S III

The Olympus E-1 and the Sony Alpha 7S III are two professional cameras that were revealed to the public, respectively, in June 2003 and July 2020. The E-1 is a DSLR, while the A7S III is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-1) and a full frame (A7S III) sensor. The Olympus has a resolution of 4.9 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 E-1 versus Sony A7S III
Olympus E-1 Sony A7S III
Digital single lens reflex Mirrorless system camera
Four Thirds lenses Sony E mount lenses
4.9 MP, Four Thirds Sensor 12 MP, Full Frame Sensor
no Video 4K/120p Video
ISO 100-800 (100 - 3,200) ISO 80-102,400 (40 - 409,600)
Optical viewfinder Electronic viewfinder (9440k dots)
1.8 LCD, 134k dots 3.0 LCD, 1440k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
3 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
750 shots per battery charge600 shots per battery charge
141 x 104 x 81 mm, 738 g 127 x 97 x 81 mm, 699 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-1 and the Sony Alpha 7S III? 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 E-1 and the Sony A7S III 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-1 vs Sony A7S III
Compare E-1 versus A7S III top
Comparison E-1 or A7S III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S III is notably smaller (16 percent) than the Olympus E-1. Moreover, the A7S III is markedly lighter (5 percent) than the E-1. 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.

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-1) and the Sony FE Lens Catalog (A7S III). Mirrorless cameras, such as the A7S III, 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-1 gets 750 shots out of its BLM-1 battery, while the A7S III can take 600 images on a single charge of its NP-FZ100 power pack. The power pack in the A7S III 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-1 5.6 in 4.1 in 3.2 in 26.0 oz 750 Y Jun 2003 1,699i
2.
 
Sony A7S III 5.0 in 3.8 in 3.2 in 24.7 oz 600 Y Jul 2020 3,499 i
3.
 
Canon 6D Mark II 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i
4.
 
Canon 7D 5.8 in 4.4 in 2.9 in 30.3 oz 800 Y Sep 2009 1,699i
5.
 
Leica Digilux 3 5.7 in 3.4 in 3.0 in 21.4 oz 750 n Sep 2006 1,499i
6.
 
Nikon D500 5.8 in 4.5 in 3.2 in 30.3 oz 1240 Y Jan 2016 1,999 i
7.
 
Nikon D610 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i
8.
 
Nikon D7000 5.2 in 4.1 in 3.0 in 27.5 oz 1050 Y Sep 2010 1,499i
9.
 
Olympus E-5 5.6 in 4.6 in 3.0 in 30.8 oz 750 Y Sep 2010 1,699i
10.
 
Olympus E-3 5.6 in 4.6 in 3.0 in 30.9 oz 750 Y Oct 2007 1,699i
11.
 
Olympus E-330 5.5 in 3.4 in 2.8 in 22.5 oz 750 n Jan 2006 999i
12.
 
Olympus E-300 5.8 in 3.3 in 2.5 in 22.0 oz 750 n Sep 2004 799i
13.
 
Sony A7R IV 5.1 in 3.8 in 3.1 in 23.5 oz 670 Y Jul 2019 3,499 i
14.
 
Sony A7R III 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199i
15.
 
Sony A9 5.0 in 3.8 in 2.5 in 23.7 oz 650 Y Apr 2017 4,499i
16.
 
Sony A7R II 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199i
17.
 
Sony A7S II 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999i
Notes: 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-1 was launched at a markedly lower price (by 51 percent) than the A7S III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

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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-1 features a Four Thirds sensor and the Sony A7S III a full frame sensor. The sensor area in the A7S III 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-1 has a native 4:3 aspect ratio, while the one in the A7S III offers a 3:2 aspect.

Olympus E-1 and Sony A7S III sensor measures

With 12MP, the A7S III offers a higher resolution than the E-1 (4.9MP), but the A7S III nevertheless has larger individual pixels (pixel pitch of 8.40μm versus 6.78μm for the E-1) due to its larger sensor. Moreover, the A7S III is a much more recent model (by 17 years and 1 month) than the E-1, 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 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7S III 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-1 are 12.8 x 9.6 inches or 32.5 x 24.4 cm for good quality, 10.2 x 7.7 inches or 26 x 19.5 cm for very good quality, and 8.5 x 6.4 inches or 21.7 x 16.3 cm for excellent quality prints.

The Olympus E-1 has a native sensitivity range from ISO 100 to ISO 800, which can be extended to ISO 100-3200. The corresponding ISO settings for the Sony Alpha 7S III are ISO 80 to ISO 102400, with the possibility to increase the ISO range to 40-409600.

E-1 versus A7S III 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-1 Four Thirds 4.9 2560 1920none........
2.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
3.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
4.
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
5.
 
Leica Digilux 3 Four Thirds 7.4 3136 2352none........
6.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
7.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
8.
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780
9.
 
Olympus E-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
10.
 
Olympus E-3 Four Thirds 10.0 3648 2736none21.610.557156
11.
 
Olympus E-330 Four Thirds 7.4 3136 2352none........
12.
 
Olympus E-300 Four Thirds 8.0 3264 2448none........
13.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
16.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
17.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385

Many modern cameras are not only capable of taking still images, but can also record movies. The A7S III indeed provides for movie recording, while the E-1 does not. The highest resolution format that the A7S III can use is 4K/120p.

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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 III has an electronic viewfinder (9440k dots), while the E-1 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A7S III has a higher magnification than the one of the E-1 (0.91x vs 0.48x), 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-1, the Sony A7S III, and comparable cameras.

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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
1.
 
Olympus E-1optical Y 1.8 134 fixed n 1/4000s 3.0 n n
2.
 
Sony A7S III9440 n 3.0 1440 swivel Y 1/8000s 10.0 n Y
3.
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n
4.
 
Canon 7Doptical Y 3.0 920 fixed n 1/8000s 8.0 Y n
5.
 
Leica Digilux 3optical n 2.5 207 fixed n 1/4000s 3.0 Y n
6.
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n
7.
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n
8.
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n
9.
 
Olympus E-5optical Y 3.0 920 swivel n 1/8000s 5.0 Y Y
10.
 
Olympus E-3optical Y 2.5 230 swivel n 1/8000s 5.0 Y Y
11.
 
Olympus E-330optical n 2.5 215 tilting n 1/4000s 3.0 Y n
12.
 
Olympus E-300optical n 1.8 134 fixed n 1/4000s 2.5 Y n
13.
 
Sony A7R IV5760 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
14.
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
15.
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y
16.
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
17.
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y

One feature that is present on the E-1, but is missing on the A7S III is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The A7S III 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 E-1 does not have a selfie-screen.

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 III 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-1 writes its imaging data to Compact Flash or xD Picture cards, while the A7S III uses CFexpress or SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

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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-1 and Sony Alpha 7S III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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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
1.
 
Olympus E-1Y-----2.0---
2.
 
Sony A7S IIIYstereomonoYYfull3.2Y-Y
3.
 
Canon 6D Mark IIYstereomonoY-mini2.0YYY
4.
 
Canon 7DYmono-Y-mini2.0---
5.
 
Leica Digilux 3Ystereomono---2.0---
6.
 
Nikon D500YstereomonoYYmini3.0YYY
7.
 
Nikon D610YmonomonoYYmini2.0---
8.
 
Nikon D7000YmonomonoY-mini2.0---
9.
 
Olympus E-5Ystereo---mini2.0---
10.
 
Olympus E-3Y-----2.0---
11.
 
Olympus E-330Y-----2.0---
12.
 
Olympus E-300Y-----2.0---
13.
 
Sony A7R IVYstereomonoYYmicro3.1YYY
14.
 
Sony A7R IIIYstereomonoYYmicro3.1YYY
15.
 
Sony A9YstereomonoYYmicro2.0YYY
16.
 
Sony A7R IIYstereomonoYYmicro2.0YY-
17.
 
Sony A7S IIYstereomonoYYmicro2.0YY-

It is notable that the A7S III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-1 does not provide wifi capability.

Studio photographers will appreciate that the Olympus E-1 (unlike the A7S III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A7S III is a recent model that features in the current product line-up of Sony. In contrast, the E-1 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-1 was succeeded by the Olympus E-3. 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.

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Review summary

So what is the bottom line? Is the Olympus E-1 better than the Sony A7S III 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-1:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Longer lasting: Can take more shots (750 versus 600) on a single battery charge.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More affordable: Was introduced into a lower priced category (51 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in June 2003).

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Arguments in favor of the Sony Alpha 7S III:

  • More detail: Has more megapixels (12 vs 4.9MP), which boosts linear resolution by 59%.
  • 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/120p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.91x vs 0.48x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 134k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • 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 (10 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (127x97mm vs 141x104mm) and will fit more readily into a bag.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 17 years and 1 month of technical progress since the E-1 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A7S III is the clear winner of the contest (24 : 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.

E-1 06:24 A7S III

How about other alternatives? Do the specifications of the Olympus E-1 and the Sony A7S III 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-1 or the A7S III. 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], 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-1....+o.. Jun 2003 1,699i
2.
 
Sony A7S III..+ +91/1004.5/55/5 Jul 2020 3,499 i
3.
 
Canon 6D Mark II4/5+80/1004.5/54/5 Jun 2017 1,999 i
4.
 
Canon 7D5/5+ +84/1004.5/54.5/5 Sep 2009 1,699i
5.
 
Leica Digilux 3.......... Sep 2006 1,499i
6.
 
Nikon D5005/5+ +91/1004.5/55/5 Jan 2016 1,999 i
7.
 
Nikon D6104/5+ +87/1004.5/54.5/5 Oct 2013 1,999 i
8.
 
Nikon D70004/5..80/1004.5/54.5/5 Sep 2010 1,499i
9.
 
Olympus E-54/5..75/1004/54.5/5 Sep 2010 1,699i
10.
 
Olympus E-3..88/100+ +o4/5 Oct 2007 1,699i
11.
 
Olympus E-330....+o.. Jan 2006 999i
12.
 
Olympus E-300....+o4.5/5 Sep 2004 799i
13.
 
Sony A7R IV5/5+91/1004.5/55/5 Jul 2019 3,499 i
14.
 
Sony A7R III..+ +90/1004.5/55/5 Oct 2017 3,199i
15.
 
Sony A95/5+ +89/1005/55/5 Apr 2017 4,499i
16.
 
Sony A7R II5/5+ +90/1005/55/5 Jun 2015 3,199i
17.
 
Sony A7S II5/5+..4.5/55/5 Sep 2015 2,999i
Notes: (+ +) 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.

Olympus E-1:
Check Ebay offers
Sony A7S III:
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 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-1 vs Sony A7S III

    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-1 Sony A7S III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Four Thirds lenses Sony E mount lenses
    Launch Date June 2003 July 2020
    Launch Price USD 1,699 USD 3,499
    Sensor Specs Olympus E-1 Sony A7S III
    Sensor Technology CCD BSI-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 4.9 Megapixels 12 Megapixels
    Image Resolution 2560 x 1920 pixels 4240 x 2832 pixels
    Pixel Pitch 6.78 μm 8.40 μm
    Pixel Density 2.19 MP/cm2 1.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 4K/120p Video
    ISO Setting 100 - 800 ISO 80 - 102,400 ISO
    ISO Boost 100 - 3,200 ISO 40 - 409,600 ISO
    Image Processor TruePic BIONZ XR
    DXO Sensor Quality (score) .. 86
    DXO Color Depth (bits) .. 23.7
    DXO Dynamic Range (EV) .. 13.9
    DXO Low Light (ISO) .. 2520
    Screen Specs Olympus E-1 Sony A7S III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.48x 0.91x
    Viewfinder Resolution 9440k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 1.8inch 3.0inch
    LCD Resolution 134k dots 1440k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-1 Sony A7S III
    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 10 shutter flaps/s
    Shutter Life Expectancy150 000 actuations200 000 actuations
    Electronic Shutterno E-ShutterYES
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF or XD cards CFexpress or SDXC cards
    Second Storage Option Dual card slots Dual card slots
    Connectivity Specs Olympus E-1 Sony A7S III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 3.2
    HDMI Port no HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Olympus E-1 Sony A7S III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type BLM-1 NP-FZ100
    Battery Life (CIPA)750 shots per charge600 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 141 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    127 x 97 x 81 mm
    (5.0 x 3.8 x 3.2 in)
    Camera Weight 738 g (26.0 oz) 699 g (24.7 oz)

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