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Sony A7R III vs Olympus E-1

The Sony Alpha A7R III and the Olympus E-1 are two digital cameras that were announced, respectively, in October 2017 and June 2003. The A7R III is a mirrorless interchangeable lens camera, while the E-1 is a DSLR. The cameras are based on a full frame (A7R III) and a Four Thirds (E-1) sensor. The Sony has a resolution of 42.2 megapixels, whereas the Olympus provides 4.9 MP.

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

Headline Specifications
Sony A7R III
versus
Olympus E-1
Sony A7R III   Olympus E-1
Mirrorless system camera Digital single lens reflex
Sony E mount lenses Four Thirds lenses
42.2 MP – Full Frame sensor 4.9 MP – Four Thirds sensor
4K/30p Video no Video
ISO 100-32,000 (50 - 102,400) ISO 100-800 (100 - 3,200)
Electronic viewfinder (3686k dots) Optical viewfinder
3.0" LCD – 1440k dots 1.8" LCD – 134k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
10 shutter flaps per second 3 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
650 shots per battery charge750 shots per battery charge
127 x 96 x 74 mm, 650 g 141 x 104 x 81 mm, 738 g
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Check E-1 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7R III and the Olympus E-1? 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 Sony A7R III and the Olympus E-1 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Sony A7R III vs Olympus E-1
Compare A7R III versus E-1 top
Comparison A7R III or E-1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-1 is notably larger (20 percent) than the Sony A7R III. Moreover, the E-1 is markedly heavier (14 percent) than the A7R III. 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 Sony FE Lens Catalog (A7R III) and the Four Thirds Lens Catalog (E-1). Mirrorless cameras, such as the Sony A7R III, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the A7R III gets 650 shots out of its Sony NP-FZ100 battery, while the E-1 can take 750 images on a single charge of its Olympus BLM-1 power pack. The power pack in the A7R III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
2.
 
Olympus E-1 141 mm 104 mm 81 mm 738 g 750 Y Jun 2003 1,699ebay.com
3.
 
Leica Digilux 3 146 mm 87 mm 77 mm 606 g 750 n Sep 2006 1,499ebay.com
4.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399ebay.com
5.
 
Olympus E-5 142 mm 117 mm 75 mm 873 g 750 Y Sep 2010 1,699ebay.com
6.
 
Olympus E-3 142 mm 116 mm 75 mm 876 g 750 Y Oct 2007 1,699ebay.com
7.
 
Olympus E-330 140 mm 87 mm 72 mm 637 g 750 n Jan 2006 999ebay.com
8.
 
Olympus E-300 147 mm 85 mm 64 mm 624 g 750 n Sep 2004 799ebay.com
9.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 3,899 amazon.com
10.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 amazon.com
11.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
12.
 
Sony A7R IVA 129 mm 96 mm 78 mm 665 g 670 Y Apr 2021 3,499 amazon.com
13.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
15.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
17.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-1 was launched at a markedly lower price (by 47 percent) than the A7R III, 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 size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A7R III features a full frame sensor and the Olympus E-1 a Four Thirds sensor. The sensor area in the E-1 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the A7R III has a native 3:2 aspect ratio, while the one in the E-1 offers a 4:3 aspect.

Sony A7R III and Olympus E-1 sensor measures

With 42.2MP, the A7R III offers a higher resolution than the E-1 (4.9MP), but the A7R III has smaller individual pixels (pixel pitch of 4.52μm versus 6.78μm for the E-1). However, the A7R III is a much more recent model (by 14 years and 4 months) than the E-1, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the A7R III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7R III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R III 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 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 A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the E-1, the A7R III has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Sony Alpha A7R III has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Olympus E-1 are ISO 100 to ISO 800, with the possibility to increase the ISO range to 100-3200.

In terms of underlying technology, the A7R III is build around a BSI-CMOS sensor, while the E-1 uses a CCD 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.

A7R III versus E-1 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
2.
 
Olympus E-1 Four Thirds 4.9 2560 1920none20.09.7-14544
3.
 
Leica Digilux 3 Four Thirds 7.4 3136 2352none21.010.612753
4.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
5.
 
Olympus E-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
6.
 
Olympus E-3 Four Thirds 10.0 3648 2736none21.610.557156
7.
 
Olympus E-330 Four Thirds 7.4 3136 2352none20.810.47352
8.
 
Olympus E-300 Four Thirds 8.0 3264 2448none20.410.1-4048
9.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
10.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
11.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
12.
 
Sony A7R IVA Full Frame 60.2 9504 63364K/30p26.014.8334499
13.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. The A7R III indeed provides movie recording capabilities, while the E-1 does not. The highest resolution format that the A7R III can use is 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7R III has an electronic viewfinder (3686k 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 A7R III has a higher magnification than the one of the E-1 (0.78x 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 Sony A7R III, the Olympus E-1, and comparable cameras.

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Core Features
# image 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.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
2.
 
Olympus E-1optical Y1.8 / 134 fixed n 1/4000s 3.0/s n n
3.
 
Leica Digilux 3optical n2.5 / 207 fixed n 1/4000s 3.0/s Y n
4.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
5.
 
Olympus E-5optical Y3.0 / 920 swivel n 1/8000s 5.0/s Y Y
6.
 
Olympus E-3optical Y2.5 / 230 swivel n 1/8000s 5.0/s Y Y
7.
 
Olympus E-330optical n2.5 / 215 tilting n 1/4000s 3.0/s Y n
8.
 
Olympus E-300optical n1.8 / 134 fixed n 1/4000s 2.5/s Y n
9.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
10.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A7R IVA5760 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
17.
 
Sony A7R 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.
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One feature that differentiates the A7R III and the E-1 is in-body image stabilization (IBIS). The A7R III reduces the risk of handshake-induced blur with all attached lenses, while the E-1 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

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 A7R 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 Sony A7R III 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 A7R III writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the E-1 uses Compact Flash or xD Picture 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 Sony Alpha A7R III and Olympus E-1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
2.
 
Olympus E-1Y- / ----2.0---
3.
 
Leica Digilux 3Ystereo / mono---2.0---
4.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
5.
 
Olympus E-5Ystereo / ---mini2.0---
6.
 
Olympus E-3Y- / ----2.0---
7.
 
Olympus E-330Y- / ----2.0---
8.
 
Olympus E-300Y- / ----2.0---
9.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
10.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
11.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
12.
 
Sony A7R IVAYstereo / monoYYmicro3.2YYY
13.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A9Ystereo / monoYYmicro2.0YYY
17.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
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It is notable that the A7R III offers wifi support, while the E-1 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the A7R III and the E-1 have been discontinued, but can regularly be found used on ebay. The E-1 was replaced by the Olympus E-3, while the A7R III was followed by the Sony A7R IV. Further information on the features and operation of the A7R III and E-1 can be found, respectively, in the Sony A7R III Manual (free pdf) or the online Olympus E-1 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Sony A7R III and the Olympus E-1? 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 Sony Alpha A7R III:

  • More detail: Offers more megapixels (42.2 vs 4.9MP) with a 199% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features a larger and more technologically advanced imaging 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 record not only still images but also 4K/30p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x 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 tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • 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.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (127x96mm vs 141x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 88g or 12 percent) and hence easier to carry around.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 14 years and 4 months of technical progress since the E-1 launch.

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Arguments in favor of the Olympus E-1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Longer lasting: Gets more shots (750 versus 650) out of a single battery charge.
  • More affordable: Was introduced into a lower priced category (47 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in June 2003).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R III is the clear winner of the match-up (29 : 6 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 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.

A7R III 29:06 E-1

How about other alternatives? Do the specifications of the Sony A7R III and the Olympus E-1 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the A7R III and the E-1 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 where reviews by experts come in. 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
2.
 
Olympus E-1......+o.. Jun 2003 1,699ebay.com
3.
 
Leica Digilux 3............ Sep 2006 1,499ebay.com
4.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 3,399ebay.com
5.
 
Olympus E-54/5....75/1004/54.5/5 Sep 2010 1,699ebay.com
6.
 
Olympus E-3..88/100..+ +o4/5 Oct 2007 1,699ebay.com
7.
 
Olympus E-330......+o.. Jan 2006 999ebay.com
8.
 
Olympus E-300......+o4.5/5 Sep 2004 799ebay.com
9.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 3,899 amazon.com
10.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 6,499 amazon.com
11.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
12.
 
Sony A7R IVA5/5+4.5/591/1004.5/55/5 Apr 2021 3,499 amazon.com
13.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
15.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
16.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
17.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, 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 make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony A7R III vs Olympus E-1

    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 Sony A7R III Olympus E-1
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Sony E mount lenses Four Thirds lenses
    Launch Date October 2017 June 2003
    Launch Price USD 3,199 USD 1,699
    Sensor Specs Sony A7R III Olympus E-1
    Sensor Technology BSI-CMOS CCD
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 35.9 x 24.0 mm 17.3 x 13.0 mm
    Sensor Area 861.6 mm2 224.9 mm2
    Sensor Diagonal 43.2 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 42.2 Megapixels 4.9 Megapixels
    Image Resolution 7952 x 5304 pixels 2560 x 1920 pixels
    Pixel Pitch 4.52 μm 6.78 μm
    Pixel Density 4.90 MP/cm2 2.19 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video no Video
    ISO Setting 100 - 32,000 ISO 100 - 800 ISO
    ISO Boost 50 - 102,400 ISO 100 - 3,200 ISO
    Image Processor BIONZ X TruePic
    DXO Sensor Quality (score) 100 ..
    DXO Color Depth (bits) 26.0 ..
    DXO Dynamic Range (EV) 14.7 ..
    DXO Low Light (ISO) 3523 ..
    Screen Specs Sony A7R III Olympus E-1
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x 0.48x
    Viewfinder Resolution 3686k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 1.8inch
    LCD Resolution 1440k dots 134k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Sony A7R III Olympus E-1
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 10 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy500 000 actuations150 000 actuations
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium MS or SDXC cards CF or XD cards
    Single or Dual Card Slots Dual card slots Dual card slots
    Connectivity Specs Sony A7R III Olympus E-1
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Sony A7R III Olympus E-1
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Sony NP-FZ100 Olympus BLM-1
    Battery Life (CIPA)650 shots per charge750 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    141 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 650 g (22.9 oz) 738 g (26.0 oz)
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