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Olympus E-M5 III vs Panasonic S1R

The Olympus OM-D E-M5 Mark III and the Panasonic Lumix DC-S1R are two enthusiast cameras that were officially introduced, respectively, in October 2019 and February 2019. Both the E-M5 III and the S1R are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-M5 III) and a full frame (S1R) sensor. The Olympus has a resolution of 20.2 megapixels, whereas the Panasonic provides 46.7 MP.

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

Headline Specifications
Olympus E-M5 III VS Panasonic S1R
Olympus E-M5 III Panasonic S1R
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Leica L mount lenses
20.2 MP, Four Thirds Sensor 46.7 MP, Full Frame Sensor
4k/24p Video 4K/60p Video
ISO 200-25600 ISO 100-25600 (50-51200)
Electronic viewfinder (2360k dots) Electronic viewfinder (5760k dots)
3.0" LCD, 1040k dots 3.2" LCD, 2100k dots
Swivel touchscreen Fully flexible touchscreen
10 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
310 shots per battery charge380 shots per battery charge
125 x 85 x 50 mm, 414 g 149 x 110 x 97 mm, 1016 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M5 Mark III and the Panasonic Lumix DC-S1R? 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

The side-by-side display below illustrates the physical size and weight of the Olympus E-M5 III and the Panasonic S1R. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-M5 III can be obtained in two different colors (black, silver), while the S1R is only available in black.

Size Olympus E-M5 III vs Panasonic S1R
Compare E-M5 III versus S1R top
Comparison E-M5 III or S1R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1R is considerably larger (54 percent) than the Olympus E-M5 III. Moreover, the S1R is substantially heavier (145 percent) than the E-M5 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the E-M5 III gets 310 shots out of its BLS-50 battery, while the S1R can take 380 images on a single charge of its DMW-BLJ31 power pack. The battery packs of both cameras can be charged via USB, 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. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Olympus E-M5 III» 4.9 in 3.3 in 2.0 in 14.6 oz 310 Y Oct 2019 1,199 iOlympus E-M5 III
 
Panasonic S1R« 5.9 in 4.3 in 3.8 in 35.8 oz 380 Y Feb 2019 3,699 iPanasonic S1R
 
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 iCanon 5DS
 
Leica SL2« » 5.7 in 4.2 in 1.7 in 33.6 oz 370 Y Nov 2019 5,999 iLeica SL2
 
Nikon Z7« » 5.3 in 4.0 in 2.6 in 23.8 oz 330 Y Aug 2018 3,399 iNikon Z7
 
Olympus E-M1 III« » 5.3 in 3.6 in 2.7 in 20.5 oz 420 Y Feb 2020 1,799 iOlympus E-M1 III
 
Olympus E-M1X« » 5.7 in 5.8 in 3.0 in 35.2 oz 870 Y Jan 2019 2,999 iOlympus E-M1X
 
Olympus E-PL9« » 4.6 in 2.7 in 1.5 in 13.4 oz 350 n Feb 2018 599 iOlympus E-PL9
 
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 iOlympus E-M1 II
 
Olympus PEN-F« » 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M1« » 5.1 in 3.7 in 2.5 in 17.5 oz 350 Y Sep 2013 1,399iOlympus E-M1
 
Olympus E-M5« » 4.8 in 3.5 in 1.7 in 15.0 oz 360 Y Feb 2012 1,299iOlympus E-M5
 
Panasonic S1« » 5.9 in 4.3 in 3.8 in 35.9 oz 400 Y Feb 2019 2,499 iPanasonic S1
 
Panasonic G95« » 5.1 in 3.7 in 3.0 in 18.9 oz 290 Y Apr 2019 999 iPanasonic G95
 
Panasonic S1H« » 5.9 in 4.5 in 4.3 in 37.1 oz 400 Y May 2019 3,999 iPanasonic S1H
 
Panasonic GX8« » 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199iPanasonic GX8
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-M5 III was launched at a markedly lower price (by 68 percent) than the S1R, 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. 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-M5 III features a Four Thirds sensor and the Panasonic S1R a full frame sensor. The sensor area in the S1R is 284 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-M5 III has a native 4:3 aspect ratio, while the one in the S1R offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Olympus E-M5 III and Panasonic S1R sensor measures

With 46.7MP, the S1R offers a higher resolution than the E-M5 III (20.2MP), but the S1R nevertheless has larger individual pixels (pixel pitch of 4.30μm versus 3.34μm for the E-M5 III) due to its larger sensor. However, the E-M5 III is a somewhat more recent model (by 8 months) than the S1R, 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 Panasonic S1R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S1R for good quality output (200 dots per inch) amounts to 41.8 x 27.9 inch or 106.3 x 70.9 cm, for very good quality (250 dpi) 33.5 x 22.3 inch or 85 x 56.7 cm, and for excellent quality (300 dpi) 27.9 x 18.6 inch or 70.8 x 47.3 cm. The corresponding values for the Olympus E-M5 III are 25.9 x 19.4 inch or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inch or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inch or 43.9 x 32.9 cm for excellent quality prints.

The E-M5 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Both cameras have the capacity to capture high quality composite images by combining multiple shots after shifting the sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus OM-D E-M5 Mark III 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 Panasonic Lumix DC-S1R are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

E-M5 III versus S1R 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Olympus E-M5 III Four Thirds 20.2 5184 38884k/24p........Olympus E-M5 III
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100Panasonic S1R
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187Canon 5DS
 
Leica SL2 Full Frame 46.7 8368 55844K/60p........Leica SL2
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899Nikon Z7
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p........Olympus E-M1 III
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p........Olympus E-M1X
 
Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p........Olympus E-PL9
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474Olympus PEN-F
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395Panasonic S1
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p........Panasonic G95
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p........Panasonic S1H
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the S1R provides a faster frame rate than the E-M5 III. It can shoot movie footage at 4K/60p, while the Olympus is limited to 4k/24p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the S1R offers a substantially higher resolution than the one in the E-M5 III (5760k vs 2360k dots). The adjacent table lists some of the other core features of the Olympus E-M5 III and Panasonic S1R along with similar information for a selection of comparators.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Olympus E-M5 III2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Olympus E-M5 III
 
Panasonic S1R5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1R
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS
 
Leica SL25760 Y 3.2 2100 fixed Y 1/8000s 10.0 n Y Leica SL2
 
Nikon Z73690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y Nikon Z7
 
Olympus E-M1 III2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 III
 
Olympus E-M1X2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1X
 
Olympus E-PL9none n 3.0 1040 tilting Y 1/4000s 8.6 Y Y Olympus E-PL9
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 II
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus PEN-F
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Olympus E-M51440 n 3.0 610 tilting Y 1/4000s 9.0 n Y Olympus E-M5
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1
 
Panasonic G952360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y Panasonic G95
 
Panasonic S1H5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y Panasonic S1H
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8

One feature that is present on the S1R, but is missing on the E-M5 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 E-M5 III has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the S1R 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, 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 Olympus E-M5 III and the Panasonic S1R both have 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 E-M5 III writes its imaging data to SDXC cards, while the S1R uses SDHC or XQD cards. The S1R features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M5 III only has one slot. Moreover, both cameras support UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s).

 

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus OM-D E-M5 Mark III and Panasonic Lumix DC-S1R and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Olympus E-M5 IIIYstereomonoY-micro2.0Y-YOlympus E-M5 III
 
Panasonic S1RYstereomonoYYfull3.1Y-YPanasonic S1R
 
Canon 5DSYmonomonoY-mini3.0---Canon 5DS
 
Leica SL2YstereomonoYYfull3.1Y-YLeica SL2
 
Nikon Z7YstereomonoYYmicro3.1Y-YNikon Z7
 
Olympus E-M1 IIIYstereomonoYYmicro3.1Y-YOlympus E-M1 III
 
Olympus E-M1XYstereomonoYYmicro3.0Y-YOlympus E-M1X
 
Olympus E-PL9Ystereomono--micro2.0Y-YOlympus E-PL9
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--Olympus E-M1 II
 
Olympus PEN-FYstereomono--micro2.0Y--Olympus PEN-F
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-M1YstereomonoY-micro2.0Y--Olympus E-M1
 
Olympus E-M5Ystereomono--mini2.0---Olympus E-M5
 
Panasonic S1YstereomonoYYfull3.1Y-YPanasonic S1
 
Panasonic G95YstereomonoYYmicro2.0Y-YPanasonic G95
 
Panasonic S1HYstereomonoYYfull3.1Y-YPanasonic S1H
 
Panasonic GX8YstereomonoY-micro2.0YY-Panasonic GX8

It is notable that the S1R has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The E-M5 III lacks such a headphone port.

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

Both the E-M5 III and the S1R are recent models that are part of the current product line-up. The E-M5 III replaced the earlier Olympus E-M5 II, while the S1R does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Panasonic websites.

Review summary

So what conclusions can be drawn? Is the Olympus E-M5 III better than the Panasonic S1R or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Olympus OM-D E-M5 Mark III:

  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (125x85mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 602g or 59 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (68 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 8 months after the S1R).

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Advantages of the Panasonic Lumix DC-S1R:

  • More detail: Has more megapixels (46.7 vs 20.2MP), which boosts linear resolution by 55%.
  • 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/24p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.68x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 1040k dots).
  • Longer lasting: Gets more shots (380 versus 310) out of a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 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 February 2019).

If the count of individual advantages (bullet points above) is taken as a guide, the S1R is the clear winner of the contest (17 : 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-M5 III 06:17 S1R

How about other alternatives? Do the specifications of the Olympus E-M5 III and the Panasonic S1R 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 says little about, for example, the shooting experience and imaging performance of the E-M5 III and the S1R in practical situations. 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 why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Olympus E-M5 III+82/1004.5/5..4.5/5 Oct 2019 1,199 iOlympus E-M5 III
 
Panasonic S1R..89/1004.5/55/54.5/5 Feb 2019 3,699 iPanasonic S1R
 
Canon 5DS+83/1004.5/55/54.5/5 Feb 2015 3,699 iCanon 5DS
 
Leica SL2........4/5 Nov 2019 5,999 iLeica SL2
 
Nikon Z7+89/1004.5/54.5/55/5 Aug 2018 3,399 iNikon Z7
 
Olympus E-M1 III....4.5/5..4/5 Feb 2020 1,799 iOlympus E-M1 III
 
Olympus E-M1Xo..4.5/55/5.. Jan 2019 2,999 iOlympus E-M1X
 
Olympus E-PL9+..4.5/54.5/54/5 Feb 2018 599 iOlympus E-PL9
 
Olympus E-M1 II+ +85/1004.5/55/54.5/5 Sep 2016 1,999 iOlympus E-M1 II
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M1+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399iOlympus E-M1
 
Olympus E-M5+ +80/1004.5/55/55/5 Feb 2012 1,299iOlympus E-M5
 
Panasonic S1+ +88/1004.5/5..4/5 Feb 2019 2,499 iPanasonic S1
 
Panasonic G95+83/1004.5/54.5/54.5/5 Apr 2019 999 iPanasonic G95
 
Panasonic S1H..90/100...... May 2019 3,999 iPanasonic S1H
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199iPanasonic GX8
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Olympus E-M5 III:
Check Amazon price
Panasonic S1R:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-M5 III vs Panasonic S1R

    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-M5 III Panasonic S1R
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Leica L mount lenses
    Launch Date October 2019 February 2019
    Launch Price USD 1199 USD 3699
    Sensor Specs Olympus E-M5 III Panasonic S1R
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 36.0 x 24.0 mm
    Sensor Area 224.9 mm2 864 mm2
    Sensor Diagonal 21.6 mm 43.3 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 20.2 Megapixels 46.7 Megapixels
    Image Resolution 5184 x 3888 pixels 8368 x 5584 pixels
    Pixel Pitch 3.34 μm 4.30 μm
    Pixel Density 8.96 MP/cm2 5.41 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4k/24p Video 4K/60p Video
    ISO Setting 200-25600 ISO 100-25600 ISO
    ISO Boost 64-25600 ISO 50-51200 ISO
    Image Processor TruePic VIII Venus
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.4
    DXO Dynamic Range (EV) .. 14.1
    DXO Low Light (ISO) .. 3525
    Screen Specs Olympus E-M5 III Panasonic S1R
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.68x 0.78x
    Viewfinder Resolution 2360k dots 5760k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.2 inch
    LCD Resolution 1040k dots 2100k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M5 III Panasonic S1R
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 10 shutter flaps/s 9 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/8000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC or XQD cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-II Dual UHS-II
    Connectivity Specs Olympus E-M5 III Panasonic S1R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 3.1
    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 Olympus E-M5 III Panasonic S1R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type BLS-50 DMW-BLJ31
    Battery Life (CIPA)310 shots per charge380 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)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 414 g (14.6 oz) 1016 g (35.8 oz)

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