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Olympus E-P7 vs Panasonic S1

The Olympus PEN E-P7 and the Panasonic Lumix DC-S1 are two enthusiast cameras that were officially introduced, respectively, in June 2021 and February 2019. Both the E-P7 and the S1 are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-P7) and a full frame (S1) sensor. The Olympus has a resolution of 20.2 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-P7
versus
Panasonic S1
Olympus E-P7   Panasonic S1
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Leica L mount lenses
20.2 MP – Four Thirds sensor 24 MP – Full Frame sensor
4K/30p Video 4K/60p Video
ISO 200-25,600 ISO 100-51,200 (50 - 204,800)
No viewfinder, LCD framing Electronic viewfinder (5760k dots)
3.0" LCD – 1040k dots 3.2" LCD – 2100k dots
Tilting touchscreen Fully flexible touchscreen
8.7 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
360 shots per battery charge400 shots per battery charge
118 x 69 x 38 mm, 337 g 149 x 110 x 97 mm, 1017 g
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Check E-P7 price at
amazon.com
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Check S1 price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P7 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.

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Body comparison

An illustration of the physical size and weight of the Olympus E-P7 and the Panasonic S1 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 size dimensions are rounded to the nearest millimeter.

The E-P7 can be obtained in three different colors (black, silver, white), while the S1 is only available in black.

Size Olympus E-P7 vs Panasonic S1
Compare E-P7 versus S1 top
Comparison E-P7 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 considerably larger (101 percent) than the Olympus E-P7. Moreover, the S1 is substantially heavier (202 percent) than the E-P7. It is noteworthy in this context that the S1 is splash and dust-proof, while the E-P7 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-P7 gets 360 shots out of its Olympus BLS-50 battery, while the S1 can take 400 images on a single charge of its Panasonic 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. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 799 amazon.com
2.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
3.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
4.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 amazon.com
5.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 649ebay.com
6.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
7.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
8.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
9.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
10.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
11.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
12.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
13.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 amazon.com
14.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
15.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 amazon.com
16.
 
Panasonic GX9 124 mm 72 mm 47 mm 407 g 260 n Feb 2018 849ebay.com
17.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999ebay.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 naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-P7 was launched at a markedly lower price (by 68 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.

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 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-P7 features a Four Thirds sensor and the Panasonic S1 a full frame sensor. The sensor area in the S1 is 275 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-P7 has a native 4:3 aspect ratio, while the one in the S1 offers a 3:2 aspect.

Olympus E-P7 and Panasonic S1 sensor measures

With 24MP, the S1 offers a higher resolution than the E-P7 (20.2MP), but the S1 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 3.34μm for the E-P7) due to its larger sensor. However, the E-P7 is a much more recent model (by 2 years and 4 months) than the S1, and its sensor will 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 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 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-P7 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Unlike the E-P7, 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 PEN E-P7 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-S1 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

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-P7 versus S1 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
2.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
3.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
4.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
5.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
6.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
7.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
8.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
9.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
10.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
11.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
12.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
13.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
14.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
15.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
16.
 
Panasonic GX9 Four Thirds 20.2 5184 38884K/30p23.112.8116374
17.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the S1 provides a faster frame rate than the E-P7. It can shoot movie footage at 4K/60p, while the Olympus is limited to 4K/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the S1 has an electronic viewfinder (5760k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-P7 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Olympus E-P7 and Panasonic S1 along with similar information for a selection of comparators.

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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-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
2.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
3.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
4.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
5.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
6.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
7.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
8.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
9.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
10.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
11.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
12.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
13.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
14.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
15.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
16.
 
Panasonic GX92760 n3.0 / 1240 tilting Y 1/4000s 9.0/s Y Y
17.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The E-P7 has one, while the S1 does not. While the built-in flash of the E-P7 is not very powerful, it can at times be useful as a fill-in light.

The E-P7 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, 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-P7 and the Panasonic S1 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-P7 writes its imaging data to SDXC cards, while the S1 uses SDXC or XQD cards. The S1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-P7 only has one slot. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus PEN E-P7 and Panasonic Lumix DC-S1 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-P7Ystereo / mono--micro2.0Y-Y
2.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
3.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
4.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
5.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
6.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
7.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
8.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
9.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
10.
 
Olympus E-P3Ystereo / ---mini2.0---
11.
 
Olympus E-P1Ystereo / ---mini2.0---
12.
 
Olympus E-P2Ystereo / ---mini2.0---
13.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
14.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
15.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
16.
 
Panasonic GX9Ystereo / mono--micro2.0Y-Y
17.
 
Sony A900Y- / ---mini2.0---
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It is notable that the S1 has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The E-P7 lacks such a headphone port.

Studio photographers will appreciate that the Panasonic S1 (unlike the E-P7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-P7 and the S1 are recent models that are part of the current product line-up. The E-P7 replaced the earlier Olympus E-P5, while the S1 does not have a direct predecessor. Further information on the features and operation of the E-P7 and S1 can be found, respectively, in the Olympus E-P7 Manual (free pdf) or the online Panasonic S1 Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Olympus E-P7 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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Advantages of the Olympus PEN E-P7:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (118x69mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 680g or 67 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (68 percent cheaper at launch).
  • More modern: Reflects 2 years and 4 months of technical progress since the S1 launch.

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Arguments in favor of the Panasonic Lumix DC-S1:

  • More detail: Has more megapixels (24 vs 20.2MP), which boosts linear resolution by 11%.
  • 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: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • Better sound: 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 1040k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Gets more shots (400 versus 360) 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).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • 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.
  • More heavily discounted: Has been around for much longer (launched in February 2019).

If the number of relative strengths (bullet points above) is taken as a guide, the S1 is the clear winner of the contest (24 : 7 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-P7 07:24 S1

How about other alternatives? Do the specifications of the Olympus E-P7 and the Panasonic S1 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-P7 or the S1 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# 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-P74/5..4.5/5....4.5/5 Jun 2021 799 amazon.com
2.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
3.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
4.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 699 amazon.com
5.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 649ebay.com
6.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
7.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
8.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
9.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
10.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
11.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
12.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
13.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 1,999 amazon.com
14.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
15.
 
Panasonic S1H....4/590/100.... May 2019 3,999 amazon.com
16.
 
Panasonic GX94/5+4/584/1004.5/54.5/5 Feb 2018 849ebay.com
17.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999ebay.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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check E-P7 price at
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Check S1 price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Olympus E-P7 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-P7 Panasonic S1
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Leica L mount lenses
    Launch Date June 2021 February 2019
    Launch Price USD 799 USD 2,499
    Sensor Specs Olympus E-P7 Panasonic S1
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.4 x 13.0 mm 35.6 x 23.8 mm
    Sensor Area 226.2 mm2 847.28 mm2
    Sensor Diagonal 21.7 mm 42.8 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 20.2 Megapixels 24 Megapixels
    Image Resolution 5184 x 3888 pixels 6000 x 4000 pixels
    Pixel Pitch 3.34 μm 5.94 μm
    Pixel Density 8.91 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/60p Video
    ISO Setting 200 - 25,600 ISO 100 - 51,200 ISO
    ISO Boost 100 - 25,600 ISO 50 - 204,800 ISO
    Image Processor TruePic VIII Venus
    DXO Sensor Quality (score) .. 95
    DXO Color Depth (bits) .. 25.2
    DXO Dynamic Range (EV) .. 14.5
    DXO Low Light (ISO) .. 3333
    Screen Specs Olympus E-P7 Panasonic S1
    Viewfinder Type no viewfinder 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 1040k dots 2100k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-P7 Panasonic S1
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 8.7 shutter flaps/s 9 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/8000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in 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-II UHS-II
    Connectivity Specs Olympus E-P7 Panasonic S1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI full HDMI
    Microphone Port no MIC socket 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-P7 Panasonic S1
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Olympus BLS-50 Panasonic DMW-BLJ31
    Battery Life (CIPA)360 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 118 x 69 x 38 mm
    (4.6 x 2.7 x 1.5 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 337 g (11.9 oz) 1017 g (35.9 oz)
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