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Olympus E-PM1 vs Panasonic S1R

The Olympus PEN E-PM1 and the Panasonic Lumix DC-S1R are two digital cameras that were revealed to the public, respectively, in June 2011 and February 2019. Both the E-PM1 and the S1R are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-PM1) and a full frame (S1R) sensor. The Olympus has a resolution of 12.2 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-PM1 versus Panasonic S1R
Olympus E-PM1 Panasonic S1R
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Leica L mount lenses
12.2 MP, Four Thirds Sensor 46.7 MP, Full Frame Sensor
1080/60i Video 4K/60p Video
ISO 100-12,800 ISO 100-25,600 (50 - 51,200)
Viewfinder optional Electronic viewfinder (5760k dots)
3.0 LCD, 460k dots 3.2 LCD, 2100k dots
Fixed screen (not touch-sensitive) Fully flexible touchscreen
5.5 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
330 shots per battery charge380 shots per battery charge
110 x 64 x 34 mm, 265 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 PEN E-PM1 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 physical size and weight of the Olympus E-PM1 and the Panasonic S1R 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 size dimensions are rounded to the nearest millimeter.

The E-PM1 can be obtained in six different colors (black, silver, brown, pink, purple, white), while the S1R is only available in black.

Size Olympus E-PM1 vs Panasonic S1R
Compare E-PM1 versus S1R top
Comparison E-PM1 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 (133 percent) than the Olympus E-PM1. Moreover, the S1R is substantially heavier (283 percent) than the E-PM1. It is noteworthy in this context that the S1R is splash and dust-proof, while the E-PM1 does not feature any corresponding weather-sealing.

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-PM1 gets 330 shots out of its BLS-5 battery, while the S1R can take 380 images on a single charge of its 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 following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499i
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 i
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 i
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399 i
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499i
 
Olympus XZ-2 113 mm 65 mm 48 mm 346 g 340 n Sep 2012 599i
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799i
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599i
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599i
 
Olympus XZ-1 111 mm 65 mm 42 mm 275 g 320 n Jan 2011 499i
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599i
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 i
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 i
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 499i
 
Panasonic GF3 108 mm 67 mm 32 mm 264 g 300 n Jun 2011 549i
 
Panasonic GF2 113 mm 68 mm 33 mm 310 g 300 n Nov 2010 549i
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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-PM1 was launched at a markedly lower price (by 87 percent) than the S1R, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors 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-PM1 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-PM1 has a native 4:3 aspect ratio, while the one in the S1R offers a 3:2 aspect.

Olympus E-PM1 and Panasonic S1R sensor measures

With 46.7MP, the S1R offers a higher resolution than the E-PM1 (12.2MP), but the S1R nevertheless has marginally larger individual pixels (pixel pitch of 4.30μm versus 4.29μm for the E-PM1) due to its larger sensor. Moreover, the S1R is a much more recent model (by 7 years and 7 months) than the E-PM1, 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 the S1R has no anti-alias filter installed, so that it can capture all the detail its 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-PM1 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

Unlike the E-PM1, 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 PEN E-PM1 has a native sensitivity range from ISO 100 to ISO 12800. 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-PM1 versus S1R MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). Of the two cameras under consideration, the S1R offers substantially better image quality than the E-PM1 (overall score 48 points higher). The advantage is based on 5.4 bits higher color depth, 3.8 EV in additional dynamic range, and 2.8 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
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
 
Leica SL2 Full Frame 46.7 8368 55844K/60p........
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
 
Olympus XZ-2 1/1.7 11.8 3968 29761080/30p20.411.321649
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
 
Olympus XZ-1 1/1.7 10.1 3664 2752720/30p18.810.411734
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p........
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i21.411.661861
 
Panasonic GF3 Four Thirds 12.0 4000 30001080/60i20.610.045849
 
Panasonic GF2 Four Thirds 12.0 4000 30001080/60i21.210.350654
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792

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-PM1. It can shoot movie footage at 4K/60p, while the Olympus is limited to 1080/60i.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the S1R has an electronic viewfinder (5760k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-PM1 relies on live view and the rear LCD for framing. That said, the E-PM1 can be equipped with an optional viewfinder – the VF-2. The table below summarizes some of the other core capabilities of the Olympus E-PM1 and Panasonic S1R in connection with corresponding information for a sample of similar cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Olympus E-PM1optional n 3.0 460 fixed n 1/4000s 5.5 n Y
 
Panasonic S1R5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
 
Leica SL25760 Y 3.2 2100 fixed Y 1/8000s 10.0 n Y
 
Nikon Z73690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y
 
Olympus E-PM2optional n 3.0 460 fixed Y 1/4000s 8.0 n Y
 
Olympus XZ-2optional n 3.0 920 tilting Y 1/2000s 5.0 Y Y
 
Olympus E-P3optional n 3.0 614 fixed Y 1/4000s 3.0 Y Y
 
Olympus E-PL2optional n 3.0 460 fixed n 1/4000s 3.0 Y Y
 
Olympus E-PL3optional n 3.0 460 tilting n 1/4000s 5.5 n Y
 
Olympus XZ-1optional n 3.0 614 fixed n 1/2000s 2.0 Y Y
 
Olympus E-PL1optional n 2.7 230 fixed n 1/2000s 3.0 Y Y
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
 
Panasonic S1H5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y
 
Panasonic GF5none n 3.0 920 fixed Y 1/4000s 4.0 Y n
 
Panasonic GF3none n 3.0 460 fixed Y 1/4000s 3.2 Y n
 
Panasonic GF2optional n 3.0 460 fixed Y 1/4000s 2.6 Y n
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The S1R has a touchscreen, while the E-PM1 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 S1R 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 Panasonic S1R 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 E-PM1 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-PM1 only has one slot. The S1R supports UHS-II cards (on both slots), while the E-PM1 cannot take advantage of Ultra High Speed SD cards.

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 PEN E-PM1 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
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Olympus E-PM1Ystereomono--mini2.0---
 
Panasonic S1RYstereomonoYYfull3.1Y-Y
 
Leica SL2YstereomonoYYfull3.1Y-Y
 
Nikon Z7YstereomonoYYmicro3.1Y-Y
 
Olympus E-PM2Ystereomono--mini2.0---
 
Olympus XZ-2Ystereomono--mini2.0---
 
Olympus E-P3Ystereo---mini2.0---
 
Olympus E-PL2Ystereo---mini2.0---
 
Olympus E-PL3Ystereo---mini2.0---
 
Olympus XZ-1Ymono---mini2.0---
 
Olympus E-PL1Ystereo---mini2.0---
 
Panasonic S1YstereomonoYYfull3.1Y-Y
 
Panasonic S1HYstereomonoYYfull3.1Y-Y
 
Panasonic GF5-stereomono--mini2.0---
 
Panasonic GF3-stereomono--mini2.0---
 
Panasonic GF2Ystereomono--mini2.0---
 
Sony A99 IIYstereomonoYYmicro2.0YYY

It is notable that the S1R offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-PM1 does not provide wifi capability.

Studio photographers will appreciate that the Panasonic S1R (unlike the E-PM1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The S1R is a recent model that features in the current product line-up of Panasonic. In contrast, the E-PM1 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-PM1 was succeeded by the Olympus E-PM2. 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 how do things add up? Is the Olympus E-PM1 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 PEN E-PM1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More compact: Is smaller (110x64mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 751g or 74 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (87 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in June 2011).

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Advantages of the Panasonic Lumix DC-S1R:

  • More detail: Has more megapixels (46.7 vs 12.2MP), which boosts linear resolution by 100%.
  • 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: Scores substantially higher (48 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (5.4 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.8 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/60i).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • 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 460k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (9 vs 5.5 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.
  • Longer lasting: Gets more shots (380 versus 330) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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 wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 7 years and 7 months of technical progress since the E-PM1 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the S1R is the clear winner of the contest (30 : 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 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-PM1 05:30 S1R

How about other alternatives? Do the specifications of the Olympus E-PM1 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 remains incomplete and does no justice, for example, to the way the E-PM1 or the S1R perform in practice. 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 (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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Olympus E-PM186/10071/1004.5/5..4.5/5 Jun 2011 499i
 
Panasonic S1R..89/1004.5/55/54.5/5 Feb 2019 3,699 i
 
Leica SL2........4/5 Nov 2019 5,999 i
 
Nikon Z7+89/1004.5/54.5/55/5 Aug 2018 3,399 i
 
Olympus E-PM2..77/1005/54.5/54.5/5 Sep 2012 499i
 
Olympus XZ-2+..4.5/54/54.5/5 Sep 2012 599i
 
Olympus E-P383/10074/1004.5/54.5/54.5/5 Jun 2011 799i
 
Olympus E-PL283/10071/1004.5/54.5/54.5/5 Jan 2011 599i
 
Olympus E-PL3+ +72/1004.5/5..4/5 Jun 2011 599i
 
Olympus XZ-1..74/1004.5/54.5/54.5/5 Jan 2011 499i
 
Olympus E-PL186/10069/1004/54.5/54.5/5 Feb 2010 599i
 
Panasonic S1+ +88/1004.5/5..4/5 Feb 2019 2,499 i
 
Panasonic S1H..90/100...... May 2019 3,999 i
 
Panasonic GF5....4.5/54/54.5/5 Apr 2012 499i
 
Panasonic GF382/10071/1004.5/54.5/54/5 Jun 2011 549i
 
Panasonic GF282/10070/1004.5/54.5/54.5/5 Nov 2010 549i
 
Sony A99 II..85/1004.5/54.5/54.5/5 Sep 2016 3,199 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Olympus E-PM1:
Check Ebay offers
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-PM1 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-PM1 Panasonic S1R
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Leica L mount lenses
    Launch Date June 2011 February 2019
    Launch Price USD 499 USD 3,699
    Sensor Specs Olympus E-PM1 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 12.2 Megapixels 46.7 Megapixels
    Image Resolution 4032 x 3024 pixels 8368 x 5584 pixels
    Pixel Pitch 4.29 μm 4.30 μm
    Pixel Density 5.42 MP/cm2 5.41 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60i Video 4K/60p Video
    ISO Setting 100 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 51,200 ISO
    Image Processor TruePic VI Venus
    DXO Sensor Quality (score) 52 100
    DXO Color Depth (bits) 21.0 26.4
    DXO Dynamic Range (EV) 10.3 14.1
    DXO Low Light (ISO) 499 3525
    Screen Specs Olympus E-PM1 Panasonic S1R
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 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 460k dots 2100k dots
    LCD Attachment Fixed screen Fully flexible screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-PM1 Panasonic S1R
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 5.5 shutter flaps/s 9 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse Photographyno IntervalometerIntervalometer 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 no Dual UHS-II
    Connectivity Specs Olympus E-PM1 Panasonic S1R
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port mini HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Olympus E-PM1 Panasonic S1R
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type BLS-5 DMW-BLJ31
    Battery Life (CIPA)330 shots per charge380 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 110 x 64 x 34 mm
    (4.3 x 2.5 x 1.3 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 265 g (9.3 oz) 1016 g (35.8 oz)

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