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OM System OM-5 vs Sony A7 IV

The OM System OM-5 and the Sony Alpha A7 IV are two enthusiast cameras that were announced, respectively, in October 2022 and October 2021. Both the OM-5 and the A7 IV are mirrorless interchangeable lens cameras that are based on a Four Thirds (OM-5) and a full frame (A7 IV) sensor. The OM System has a resolution of 20.2 megapixels, whereas the Sony provides 32.7 MP.

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

Headline Specifications
OM System OM-5
versus
Sony A7 IV
OM System OM-5   Sony A7 IV
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Sony E mount lenses
20.2 MP – Four Thirds sensor 32.7 MP – Full Frame sensor
4K/30p Video 4K/60p Video
ISO 200-25,600 ISO 100-51,200 (50 - 204,800)
Electronic viewfinder (2360k dots) Electronic viewfinder (3686k dots)
3.0" LCD – 1040k dots 3.0" LCD – 1037k dots
Swivel touchscreen Swivel touchscreen
10 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
310 shots per battery charge580 shots per battery charge
125 x 85 x 50 mm, 414 g 131 x 96 x 80 mm, 659 g
logo
Check OM-5 price at
amazon.com
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Check A7 IV price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the OM System OM-5 and the Sony Alpha A7 IV? 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 OM System OM-5 and the Sony A7 IV are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

The OM-5 can be obtained in two different colors (black, silver), while the A7 IV is only available in black.

Size OM System OM-5 vs Sony A7 IV
Compare OM-5 versus A7 IV top
Comparison OM-5 or A7 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 IV is notably larger (18 percent) than the OM System OM-5. Moreover, the A7 IV is substantially heavier (59 percent) than the OM-5. 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 Micro Four Thirds Lens Catalog (OM-5) and the Sony FE Lens Catalog (A7 IV). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the OM-5 gets 310 shots out of its OM System BLS-50 battery, while the A7 IV can take 580 images on a single charge of its Sony NP-FZ100 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. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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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.
 
OM System OM-5 125 mm 85 mm 50 mm 414 g 310 Y Oct 2022 US$ 1 199 amazon.com
2.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 US$ 2 499 amazon.com
3.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 US$ 1 399ebay.com
4.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 US$ 1 299ebay.com
5.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 US$ 1 099ebay.com
6.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 US$ 1 199ebay.com
7.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 US$ 1 199ebay.com
8.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 US$ 2 199ebay.com
9.
 
OM System OM-1 II 135 mm 92 mm 73 mm 599 g 500 Y Jan 2024 US$ 2 399 amazon.com
10.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 US$ 999ebay.com
11.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 US$ 1 699 amazon.com
12.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 US$ 1 199ebay.com
13.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 US$ 6 499 amazon.com
14.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
16.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 US$ 3 899 amazon.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 obviously take relative prices into account. 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 OM-5 was launched at a markedly lower price (by 52 percent) than the A7 IV, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 OM System OM-5 features a Four Thirds sensor and the Sony A7 IV a full frame sensor. The sensor area in the A7 IV is 281 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 OM-5 has a native 4:3 aspect ratio, while the one in the A7 IV offers a 3:2 aspect.

OM System OM-5 and Sony A7 IV sensor measures

With 32.7MP, the A7 IV offers a higher resolution than the OM-5 (20.2MP), but the A7 IV nevertheless has larger individual pixels (pixel pitch of 5.12μm versus 3.34μm for the OM-5) due to its larger sensor. However, the OM-5 is a somewhat more recent model (by 1 year) than the A7 IV, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony A7 IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 IV for good quality output (200 dots per inch) amounts to 35 x 23.4 inches or 89 x 59.3 cm, for very good quality (250 dpi) 28 x 18.7 inches or 71.2 x 47.5 cm, and for excellent quality (300 dpi) 23.4 x 15.6 inches or 59.3 x 39.6 cm. The corresponding values for the OM System OM-5 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Unlike the A7 IV, the OM-5 has the capacity to capture high quality composite images (80MP) 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 OM System OM-5 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. The corresponding ISO settings for the Sony Alpha A7 IV are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the OM-5 is build around a CMOS sensor, while the A7 IV uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

OM-5 versus A7 IV MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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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.
 
OM System OM-5 Four Thirds 20.2 5184 38884K/30p23.413.4162278
2.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
3.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
4.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
5.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
6.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
7.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
8.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
9.
 
OM System OM-1 II Four Thirds 20.2 5184 38884K/60p23.413.6174978
10.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p23.213.0127375
11.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
12.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
13.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
14.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
15.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
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 cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7 IV provides a faster frame rate than the OM-5. It can shoot movie footage at 4K/60p, while the OM System is limited to 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A7 IV offers a substantially higher resolution than the one in the OM-5 (3686k vs 2360k dots). The table below summarizes some of the other core capabilities of the OM System OM-5 and Sony A7 IV in connection with corresponding information for a sample of similar 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.
 
OM System OM-52360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
2.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
3.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
4.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
5.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
6.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
7.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
8.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
9.
 
OM System OM-1 II5760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
10.
 
Panasonic G952360 n3.0 / 1240 swivel Y 1/4000s 9.0/s Y Y
11.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
12.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
13.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
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.
Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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, both cameras under consideration feature an 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 OM System OM-5 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 OM-5 writes its imaging data to SDXC cards, while the A7 IV uses CFexpress (type A) or SDXC cards. The A7 IV features dual card slots, which can be very useful in case a memory card fails. In contrast, the OM-5 only has one slot. Moreover, both cameras support UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s).

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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 OM System OM-5 and Sony Alpha A7 IV 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.
 
OM System OM-5Ystereo / monoY-micro2.0Y-Y
2.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
3.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
4.
 
Olympus E-M5Ystereo / mono--mini2.0---
5.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
6.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
7.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
8.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
9.
 
OM System OM-1 IIYstereo / monoYYmicro3.0Y-Y
10.
 
Panasonic G95Ystereo / monoYYmicro2.0Y-Y
11.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y
12.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
13.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
14.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
16.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
17.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y

It is notable that the A7 IV has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The OM-5 lacks such a headphone port.

Both the OM-5 and the A7 IV are recent models that are part of the current product line-up. The A7 IV replaced the earlier Sony A7 III, while the OM-5 followed on from the Olympus E-M5 III. Further information on the features and operation of the OM-5 and A7 IV can be found, respectively, in the OM System OM-5 Manual (free pdf) or the online Sony A7 IV Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the OM System OM-5 or the Sony A7 IV – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the OM System OM-5:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (125x85mm vs 131x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 245g or 37 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (52 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year after the A7 IV).

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Advantages of the Sony Alpha A7 IV:

  • More detail: Has more megapixels (32.7 vs 20.2MP), which boosts linear resolution by 30%.
  • 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 movie framerates (4K/60p versus 4K/30p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3686k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.68x).
  • Longer lasting: Gets more shots (580 versus 310) out of a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been on the market for longer (launched in October 2021).

If the count of relative strengths (bullet points above) is taken as a measure, the A7 IV is the clear winner of the contest (14 : 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 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.

OM-5 06:14 A7 IV

How about other alternatives? Do the specifications of the OM System OM-5 and the Sony A7 IV place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 incomplete and does no justice, for example, to the way the OM-5 or the A7 IV perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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.
 
OM System OM-55/5..4.5/583/1005/54.5/5 Oct 2022 US$ 1 199 amazon.com
2.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 US$ 2 499 amazon.com
3.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 US$ 1 399ebay.com
4.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 US$ 1 299ebay.com
5.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 US$ 1 099ebay.com
6.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 US$ 1 199ebay.com
7.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 US$ 1 199ebay.com
8.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 US$ 2 199ebay.com
9.
 
OM System OM-1 II............ Jan 2024 US$ 2 399 amazon.com
10.
 
Panasonic G954.5/5+4.5/583/1004.5/54.5/5 Apr 2019 US$ 999ebay.com
11.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 US$ 1 699 amazon.com
12.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 US$ 1 199ebay.com
13.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 US$ 6 499 amazon.com
14.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
16.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 US$ 3 899 amazon.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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check OM-5 price at
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Check A7 IV price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: OM System OM-5 vs Sony A7 IV

    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 OM System OM-5 Sony A7 IV
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Sony E mount lenses
    Launch Date October 2022 October 2021
    Launch Price USD 1,199 USD 2,499
    Sensor Specs OM System OM-5 Sony A7 IV
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.9 x 23.9 mm
    Sensor Area 224.9 mm2 858.01 mm2
    Sensor Diagonal 21.6 mm 43.1 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 20.2 Megapixels 32.7 Megapixels
    Image Resolution 5184 x 3888 pixels 7008 x 4672 pixels
    Pixel Pitch 3.34 μm 5.12 μm
    Pixel Density 8.96 MP/cm2 3.82 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/60p Video
    ISO Setting 200 - 25,600 ISO 100 - 51,200 ISO
    ISO Boost 64 - 25,600 ISO 50 - 204,800 ISO
    Image Processor TruePic IX BIONZ XR
    DXO Sensor Quality (score) .. 97
    DXO Color Depth (bits) .. 25.4
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 3379
    Screen Specs OM System OM-5 Sony A7 IV
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.68x 0.78x
    Viewfinder Resolution 2360k dots 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1037k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs OM System OM-5 Sony A7 IV
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/32000sYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards CFexA or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-II Dual UHS-II
    Connectivity Specs OM System OM-5 Sony A7 IV
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.2
    HDMI Port micro HDMI full HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs OM System OM-5 Sony A7 IV
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type OM System BLS-50 Sony NP-FZ100
    Battery Life (CIPA)310 shots per charge580 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 125 x 85 x 50 mm
    (4.9 x 3.3 x 2.0 in)
    131 x 96 x 80 mm
    (5.2 x 3.8 x 3.1 in)
    Camera Weight 414 g (14.6 oz) 659 g (23.2 oz)
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