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Olympus E-M1 vs Panasonic S1R

The Olympus OM-D E-M1 and the Panasonic Lumix DC-S1R are two enthusiast cameras that were revealed to the public, respectively, in September 2013 and February 2019. Both the E-M1 and the S1R are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-M1) and a full frame (S1R) sensor. The Olympus has a resolution of 15.9 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-M1
versus
Panasonic S1R
Olympus E-M1   Panasonic S1R
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Leica L mount lenses
15.9 MP – Four Thirds sensor 46.7 MP – Full Frame sensor
1080/30p Video 4K/60p Video
ISO 200-25,600 ISO 100-25,600 (50 - 51,200)
Electronic viewfinder (2360k dots) Electronic viewfinder (5760k dots)
3.0" LCD – 1037k dots 3.2" LCD – 2100k dots
Tilting touchscreen Fully flexible touchscreen
10 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
350 shots per battery charge380 shots per battery charge
130 x 94 x 63 mm, 497 g 149 x 110 x 97 mm, 1016 g
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Check S1R price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 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.

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Body comparison

An illustration of the physical size and weight of the Olympus E-M1 and the Panasonic S1R is provided in the side-by-side display below. 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 measures are rounded to the nearest millimeter.

The E-M1 can be obtained in two different colors (black, silver), while the S1R is only available in black.

Size Olympus E-M1 vs Panasonic S1R
Compare E-M1 versus S1R top
Comparison E-M1 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 notably larger (34 percent) than the Olympus E-M1. Moreover, the S1R is substantially heavier (104 percent) than the E-M1. 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-M1 gets 350 shots out of its Olympus BLN-1 battery, while the S1R can take 380 images on a single charge of its Panasonic DMW-BLJ31 power pack. The power pack in the S1R 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. 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
2.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
3.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 amazon.com
4.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399ebay.com
5.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
6.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
7.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
8.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
9.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
10.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
11.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
12.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499ebay.com
13.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
14.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 amazon.com
15.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 1,499ebay.com
16.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 Y Sep 2012 1,299ebay.com
17.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 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 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-M1 was launched at a markedly lower price (by 62 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus E-M1 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-M1 has a native 4:3 aspect ratio, while the one in the S1R offers a 3:2 aspect.

Olympus E-M1 and Panasonic S1R sensor measures

With 46.7MP, the S1R offers a higher resolution than the E-M1 (15.9MP), but the S1R nevertheless has larger individual pixels (pixel pitch of 4.30μm versus 3.76μm for the E-M1) due to its larger sensor. Moreover, the S1R is a much more recent model (by 5 years and 4 months) than the E-M1, and its sensor will have benefitted from technological advances during this time that further 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 inches or 106.3 x 70.9 cm, for very good quality (250 dpi) 33.5 x 22.3 inches or 85 x 56.7 cm, and for excellent quality (300 dpi) 27.9 x 18.6 inches or 70.8 x 47.3 cm. The corresponding values for the Olympus E-M1 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

The E-M1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the E-M1, the S1R has the capacity to capture high quality composite images (187MP) 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 Olympus OM-D E-M1 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. 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.

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

E-M1 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"). Of the two cameras under consideration, the S1R offers substantially better image quality than the E-M1 (overall score 27 points higher). The advantage is based on 3.4 bits higher color depth, 1.4 EV in additional dynamic range, and 2.2 stops in additional low light sensitivity. 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.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
2.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
3.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p25.314.3286695
4.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
5.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
6.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
7.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
8.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
9.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
10.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
11.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
12.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
13.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
14.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
15.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
16.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
17.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
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. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the S1R provides a better video resolution than the E-M1. It can shoot movie footage at 4K/60p, while the Olympus is limited to 1080/30p.

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Feature comparison

Beyond 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-M1 (5760k vs 2360k dots). The following table reports on some other key feature differences and similarities of the Olympus E-M1, the Panasonic S1R, 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.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
2.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
3.
 
Leica SL25760 Y3.2 / 2100 fixed Y 1/8000s 10.0/s n Y
4.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
5.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
6.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
7.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
8.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
9.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
10.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
11.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
12.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0/s n Y
13.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
14.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
15.
 
Panasonic GH42359 n3.0 / 1036 swivel Y 1/8000s 12.0/s Y n
16.
 
Panasonic GH31746 n3.0 / 614 swivel Y 1/4000s 6.0/s Y n
17.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/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 is present on the S1R, but is missing on the E-M1 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 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-M1 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-M1 writes its imaging data to SDXC cards, while the S1R uses SDXC or XQD cards. The S1R features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M1 only has one slot. The S1R supports UHS-II cards (on both slots), while the E-M1 can use UHS-I cards.

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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 OM-D E-M1 and Panasonic Lumix DC-S1R 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.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
2.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
3.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
4.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
5.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
6.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
7.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
8.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
9.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
10.
 
Olympus E-M5Ystereo / mono--mini2.0---
11.
 
Olympus E-PL5Ystereo / mono--mini2.0---
12.
 
Olympus E-PM2Ystereo / mono--mini2.0---
13.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
14.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
15.
 
Panasonic GH4Ystereo / monoYYmicro2.0YY-
16.
 
Panasonic GH3Ystereo / monoYYmini2.0Y--
17.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
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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-M1 lacks such a headphone port.

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

The S1R is a recent model that features in the current product line-up of Panasonic. In contrast, the E-M1 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the E-M1 was succeeded by the Olympus E-M1 II. Further information on the features and operation of the E-M1 and S1R can be found, respectively, in the Olympus E-M1 Manual (free pdf) or the online Panasonic S1R Manual.

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Review summary

So what is the bottom line? Is the Olympus E-M1 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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Reasons to prefer the Olympus OM-D E-M1:

  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More compact: Is smaller (130x94mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 519g or 51 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (62 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2013).

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Arguments in favor of the Panasonic Lumix DC-S1R:

  • More detail: Has more megapixels (46.7 vs 15.9MP), which boosts linear resolution by 75%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores substantially higher (27 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.4 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.2 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/30p).
  • 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 0.74x).
  • 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 1037k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 5 years and 4 months of technical progress since the E-M1 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the S1R is the clear winner of the contest (21 : 5 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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.

E-M1 05:21 S1R

How about other alternatives? Do the specifications of the Olympus E-M1 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the E-M1 and the S1R in practical situations. 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 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.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
2.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
3.
 
Leica SL24/5..4.5/5..4.5/54/5 Nov 2019 5,999 amazon.com
4.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 3,399ebay.com
5.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
6.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
7.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
8.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
9.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
10.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
11.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
12.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 499ebay.com
13.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
14.
 
Panasonic S1H....4/590/100.... May 2019 3,999 amazon.com
15.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 1,499ebay.com
16.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 1,299ebay.com
17.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted 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 comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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 use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Olympus E-M1 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-M1 Panasonic S1R
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Leica L mount lenses
    Launch Date September 2013 February 2019
    Launch Price USD 1,399 USD 3,699
    Sensor Specs Olympus E-M1 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 15.9 Megapixels 46.7 Megapixels
    Image Resolution 4608 x 3456 pixels 8368 x 5584 pixels
    Pixel Pitch 3.76 μm 4.30 μm
    Pixel Density 7.08 MP/cm2 5.41 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/30p Video 4K/60p Video
    ISO Setting 200 - 25,600 ISO 100 - 25,600 ISO
    ISO Boost 100 - 25,600 ISO 50 - 51,200 ISO
    Image Processor TruePIC VII Venus
    DXO Sensor Quality (score) 73 100
    DXO Color Depth (bits) 23.0 26.4
    DXO Dynamic Range (EV) 12.7 14.1
    DXO Low Light (ISO) 757 3525
    Screen Specs Olympus E-M1 Panasonic S1R
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.74x 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 3.0inch 3.2inch
    LCD Resolution 1037k dots 2100k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M1 Panasonic S1R
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy150 000 actuations400 000 actuations
    Electronic ShutterYESup 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
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I Dual UHS-II
    Connectivity Specs Olympus E-M1 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 no Bluetooth Bluetooth built-in
    Body Specs Olympus E-M1 Panasonic S1R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Olympus BLN-1 Panasonic DMW-BLJ31
    Battery Life (CIPA)350 shots per charge380 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 130 x 94 x 63 mm
    (5.1 x 3.7 x 2.5 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 497 g (17.5 oz) 1016 g (35.8 oz)
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