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Olympus E-5 vs Panasonic S1

The Olympus E-5 and the Panasonic Lumix DC-S1 are two digital cameras that were announced, respectively, in September 2010 and February 2019. The E-5 is a DSLR, while the S1 is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-5) and a full frame (S1) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Panasonic provides 24 MP.

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

Headline Specifications
Olympus E-5 VS Panasonic S1
Olympus E-5 Panasonic S1
Digital single lens reflex Mirrorless system camera
Four Thirds lenses Leica L mount lenses
12.2 MP, Four Thirds Sensor 24 MP, Full Frame Sensor
720/30p Video 4K/60p Video
ISO 100-6400 ISO 100-51200 (50-204800)
Optical viewfinder Electronic viewfinder (5760k dots)
3.0" LCD, 920k dots 3.2" LCD, 2100k dots
Swivel screen (not touch-sensitive) Fully flexible touchscreen
5 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
750 shots per battery charge400 shots per battery charge
142 x 117 x 75 mm, 873 g 149 x 110 x 97 mm, 1017 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-5 and the Panasonic Lumix DC-S1? 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-5 and the Panasonic S1 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Olympus E-5 vs Panasonic S1
Compare E-5 versus S1 top
Comparison E-5 or S1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1 is somewhat smaller (1 percent) than the Olympus E-5. However, the S1 is markedly heavier (16 percent) than the E-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. 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-5 gets 750 shots out of its BLM-5 battery, while the S1 can take 400 images on a single charge of its DMW-BLJ31 power pack. The power pack in the S1 can be charged via the USB port, 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. 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.

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-5» 142 mm 117 mm 75 mm 873 g 750 Y Sep 2010 1,699iOlympus E-5
 
Panasonic S1« 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 iPanasonic S1
 
Canon 60D« » 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399iCanon 60D
 
Leica SL« » 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450iLeica SL
 
Olympus E-P3« » 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799iOlympus E-P3
 
Olympus E-PL2« » 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599iOlympus E-PL2
 
Olympus E-PL3« » 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599iOlympus E-PL3
 
Olympus E-PM1« » 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499iOlympus E-PM1
 
Olympus E-450« » 130 mm 91 mm 53 mm 440 g 500 n Mar 2009 499iOlympus E-450
 
Olympus E-600« » 130 mm 94 mm 60 mm 535 g 500 n Aug 2009 449iOlympus E-600
 
Olympus E-620« » 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 699iOlympus E-620
 
Olympus E-3« » 142 mm 116 mm 75 mm 876 g 750 Y Oct 2007 1,699iOlympus E-3
 
Panasonic S1R« » 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 iPanasonic S1R
 
Panasonic S1H« » 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 iPanasonic S1H
 
Sony A99 II« » 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 iSony A99 II
 
Sony A99« » 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799iSony A99
 
Sony A77« » 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399iSony A77
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

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-5 was launched at a markedly lower price (by 32 percent) than the S1, 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 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-5 features a Four Thirds sensor and the Panasonic S1 a full frame sensor. The sensor area in the S1 is 276 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-5 has a native 4:3 aspect ratio, while the one in the S1 offers a 3:2 aspect.

In terms of underlying technology, both cameras are build around CMOS sensors.

Olympus E-5 and Panasonic S1 sensor measures

With 24MP, the S1 offers a higher resolution than the E-5 (12.2MP), but the S1 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.29μm for the E-5) due to its larger sensor. Moreover, the S1 is a much more recent model (by 8 years and 4 months) than the E-5, 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 S1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Panasonic S1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S1 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Olympus E-5 are 20.2 x 15.1 inch or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inch or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inch or 34.1 x 25.6 cm for excellent quality prints.

Unlike the E-5, the S1 has the capacity to capture high quality composite images (96MP) 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 E-5 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Panasonic Lumix DC-S1 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

E-5 versus S1 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the S1 offers substantially better image quality than the E-5 (overall score 39 points higher). The advantage is based on 3.6 bits higher color depth, 4 EV in additional dynamic range, and 2.7 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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-5 Four Thirds 12.2 4032 3024720/30p21.610.551956Olympus E-5
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395Panasonic S1
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366Canon 60D
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188Leica SL
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651Olympus E-P3
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952Olympus E-PL3
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952Olympus E-PM1
 
Olympus E-450 Four Thirds 10.0 3648 2736none21.510.551256Olympus E-450
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155Olympus E-600
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655Olympus E-620
 
Olympus E-3 Four Thirds 10.0 3648 2736none21.610.557156Olympus E-3
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100Panasonic S1R
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p........Panasonic S1H
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178Sony A77

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 S1 provides a better video resolution than the E-5. It can shoot movie footage at 4K/60p, while the Olympus is limited to 720/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the S1 has an electronic viewfinder (5760k dots), while the E-5 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the S1 has a higher magnification than the one of the E-5 (0.78x vs 0.575x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Olympus E-5 and Panasonic S1 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-5optical Y 3.0 920 swivel n 1/8000s 5.0 Y Y Olympus E-5
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1
 
Canon 60Doptical Y 3.0 1040 swivel n 1/8000s 5.3 Y n Canon 60D
 
Leica SL4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n Leica SL
 
Olympus E-P3optional n 3.0 614 fixed Y 1/4000s 3.0 Y Y Olympus E-P3
 
Olympus E-PL2optional n 3.0 460 fixed n 1/4000s 3.0 Y Y Olympus E-PL2
 
Olympus E-PL3optional n 3.0 460 tilting n 1/4000s 5.5 n Y Olympus E-PL3
 
Olympus E-PM1optional n 3.0 460 fixed n 1/4000s 5.5 n Y Olympus E-PM1
 
Olympus E-450optical n 2.7 215 fixed n 1/4000s 3.5 Y n Olympus E-450
 
Olympus E-600optical n 2.7 230 swivel n 1/4000s 4.0 Y Y Olympus E-600
 
Olympus E-620optical n 2.7 230 swivel n 1/4000s 4.0 Y Y Olympus E-620
 
Olympus E-3optical Y 2.5 230 swivel n 1/8000s 5.0 Y Y Olympus E-3
 
Panasonic S1R5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1R
 
Panasonic S1H5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y Panasonic S1H
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Sony A992359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y Sony A99
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77

One difference between the cameras concerns the presence of an on-board flash. The E-5 has one, while the S1 does not. While the built-in flash of the E-5 is not very powerful, it can at times be useful as a fill-in light.

The E-5 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 S1 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, the S1 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 S1 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-5 writes its imaging data to Compact Flash or xD Picture cards, while the S1 uses SDHC or XQD cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

 

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 E-5 and Panasonic Lumix DC-S1 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-5Ystereonone--mini2.0---Olympus E-5
 
Panasonic S1YstereomonoYYfull3.1Y-YPanasonic S1
 
Canon 60DYmonomonoY-mini2.0---Canon 60D
 
Leica SLYstereomonoYYfull3.0Y--Leica SL
 
Olympus E-P3Ystereonone--mini2.0---Olympus E-P3
 
Olympus E-PL2Ystereonone--mini2.0---Olympus E-PL2
 
Olympus E-PL3Ystereonone--mini2.0---Olympus E-PL3
 
Olympus E-PM1Ystereomono--mini2.0---Olympus E-PM1
 
Olympus E-450Ynonenone--none2.0---Olympus E-450
 
Olympus E-600Ynonenone--none2.0---Olympus E-600
 
Olympus E-620Ynonenone--none2.0---Olympus E-620
 
Olympus E-3Ynonenone--none2.0---Olympus E-3
 
Panasonic S1RYstereomonoYYfull3.1Y-YPanasonic S1R
 
Panasonic S1HYstereomonoYYfull3.1Y-YPanasonic S1H
 
Sony A99 IIYstereomonoYYmicro2.0YYYSony A99 II
 
Sony A99YstereomonoYYmini2.0---Sony A99
 
Sony A77YstereomonoY-mini2.0---Sony A77

It is notable that the S1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-5 does not offer wifi capability.

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

The S1 is a recent model that features in the current product line-up of Panasonic. In contrast, the E-5 has been discontinued (but it can be found pre-owned on eBay). There has not been a direct replacement model for the E-5 from Olympus. 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 there a clear favorite between the Olympus E-5 and the Panasonic S1? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Olympus E-5:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Less heavy: Is lighter (by 144g or 14 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (750 versus 400) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (32 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2010).

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Advantages of the Panasonic Lumix DC-S1:

  • More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 43%.
  • 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 (39 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.6 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.7 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/60p vs 720/30p).
  • 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.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.575x).
  • 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 920k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (9 vs 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.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 8 years and 4 months of technical progress since the E-5 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the S1 is the clear winner of the contest (24 : 8 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-5 08:24 S1

How about other alternatives? Do the specifications of the Olympus E-5 and the Panasonic S1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings 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-5 and the S1 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 where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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-5..75/1004/5..4.5/5 Sep 2010 1,699iOlympus E-5
 
Panasonic S1+ +88/1004.5/5..4/5 Feb 2019 2,499 iPanasonic S1
 
Canon 60D+79/1004/55/54.5/5 Aug 2010 1,399iCanon 60D
 
Leica SL..84/1004.5/54/54/5 Oct 2015 7,450iLeica SL
 
Olympus E-P383/10074/1004.5/54.5/54.5/5 Jun 2011 799iOlympus E-P3
 
Olympus E-PL283/10071/1004.5/54.5/54.5/5 Jan 2011 599iOlympus E-PL2
 
Olympus E-PL3+ +72/1004.5/5..4/5 Jun 2011 599iOlympus E-PL3
 
Olympus E-PM186/10071/1004.5/5..4.5/5 Jun 2011 499iOlympus E-PM1
 
Olympus E-450....4/5..4/5 Mar 2009 499iOlympus E-450
 
Olympus E-600........4.5/5 Aug 2009 449iOlympus E-600
 
Olympus E-62088/10072/1004.5/5o5/5 Feb 2009 699iOlympus E-620
 
Olympus E-388/100+ +oo4/5 Oct 2007 1,699iOlympus E-3
 
Panasonic S1R..89/1004.5/55/54.5/5 Feb 2019 3,699 iPanasonic S1R
 
Panasonic S1H..90/100...... May 2019 3,999 iPanasonic S1H
 
Sony A99 II..85/1004.5/54.5/54.5/5 Sep 2016 3,199 iSony A99 II
 
Sony A99..84/1004.5/5o4.5/5 Sep 2012 2,799iSony A99
 
Sony A7791/10081/100..4.5/55/5 Aug 2011 1,399iSony A77
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Olympus E-5:
Check Ebay offers
Panasonic S1:
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-5 vs Panasonic S1

    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-5 Panasonic S1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Four Thirds lenses Leica L mount lenses
    Launch Date September 2010 February 2019
    Launch Price USD 1699 USD 2499
    Sensor Specs Olympus E-5 Panasonic S1
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.6 x 23.8 mm
    Sensor Area 224.9 mm2 847.28 mm2
    Sensor Diagonal 21.6 mm 42.8 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 12.2 Megapixels 24 Megapixels
    Image Resolution 4032 x 3024 pixels 6000 x 4000 pixels
    Pixel Pitch 4.29 μm 5.94 μm
    Pixel Density 5.42 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 720/30p Video 4K/60p Video
    ISO Setting 100-6400 ISO 100-51200 ISO
    ISO Boost no Enhancement 50-204800 ISO
    Image Processor TruePic V+ Venus
    DXO Sensor Quality (score) 56 95
    DXO Color Depth (bits) 21.6 25.2
    DXO Dynamic Range (EV) 10.5 14.5
    DXO Low Light (ISO) 519 3333
    Screen Specs Olympus E-5 Panasonic S1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.575x 0.78x
    Viewfinder Resolution 5760k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.2 inch
    LCD Resolution 920k dots 2100k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-5 Panasonic S1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 5 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy150 000 actuations400 000 actuations
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium CF or XD cards SDXC or XQD cards
    Second Storage Option Dual card slots Dual card slots
    Connectivity Specs Olympus E-5 Panasonic S1
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket 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-5 Panasonic S1
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type BLM-5 DMW-BLJ31
    Battery Life (CIPA)750 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 142 x 117 x 75 mm
    (5.6 x 4.6 x 3.0 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 873 g (30.8 oz) 1017 g (35.9 oz)

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