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Olympus E-M10 III vs Panasonic ZS100

The Olympus OM-D E-M10 Mark III and the Panasonic Lumix DMC-ZS100 (labelled Panasonic TZ100 in some countries) are two digital cameras that were revealed to the public, respectively, in August 2017 and January 2016. The E-M10 III is a mirrorless interchangeable lens camera, while the ZS100 is a fixed lens compact. The cameras are based on a Four Thirds (E-M10 III) and an one-inch (ZS100) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Panasonic provides 20 MP.

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

Headline Specifications
Olympus E-M10 III
versus
Panasonic ZS100
Olympus E-M10 III   Panasonic ZS100
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 25-250mm f/2.8-5.9
15.9 MP – Four Thirds sensor 20 MP – 1" sensor
4K/30p Video 4K/30p Video
ISO 200-25,600 ISO 125-12,800 (80 - 25,600)
Electronic viewfinder (2360k dots) Electronic viewfinder (1166k dots)
3.0" LCD – 1040k dots 3.0" LCD – 1040k dots
Tilting touchscreen Fixed touchscreen
8.6 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
330 shots per battery charge300 shots per battery charge
122 x 84 x 50 mm, 410 g 111 x 65 x 44 mm, 312 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M10 Mark III and the Panasonic Lumix DMC-ZS100? 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

The physical size and weight of the Olympus E-M10 III and the Panasonic ZS100 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 width, height and depth measures are rounded to the nearest millimeter.

Both cameras are available in two different colors (black, silver).

Size Olympus E-M10 III vs Panasonic ZS100
Compare E-M10 III versus ZS100 top
Comparison E-M10 III or ZS100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic ZS100 is notably smaller (30 percent) than the Olympus E-M10 III. In this context, it is worth noting that neither the E-M10 III nor the ZS100 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the ZS100 has a lens built in, whereas the E-M10 III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the E-M10 III and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the E-M10 III gets 330 shots out of its Olympus BLS-50 battery, while the ZS100 can take 300 images on a single charge of its Panasonic DMW-BLG10 power pack. The power pack in the ZS100 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. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 US$ 649ebay.com
2.
 
Panasonic ZS100 111 mm 65 mm 44 mm 312 g 300 n Jan 2016 US$ 699ebay.com
3.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 US$ 799ebay.com
4.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 US$ 699ebay.com
5.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 US$ 699ebay.com
6.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 US$ 699ebay.com
7.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 US$ 649ebay.com
8.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 US$ 699 amazon.com
9.
 
Olympus E-PL6 111 mm 64 mm 38 mm 325 g 360 n May 2013 US$ 599ebay.com
10.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 US$ 599ebay.com
11.
 
Olympus E-PL8 115 mm 67 mm 38 mm 357 g 350 n Sep 2016 US$ 549ebay.com
12.
 
Olympus E-PL9 117 mm 68 mm 39 mm 380 g 350 n Feb 2018 US$ 599ebay.com
13.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 US$ 599ebay.com
14.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 US$ 1 199ebay.com
15.
 
Panasonic GX85 122 mm 71 mm 44 mm 426 g 290 n Apr 2016 US$ 799 amazon.com
16.
 
Panasonic LX10 106 mm 60 mm 42 mm 310 g 260 n Sep 2016 US$ 699 amazon.com
17.
 
Panasonic ZS200 111 mm 65 mm 45 mm 340 g 370 n Feb 2018 US$ 799 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-M10 III features a Four Thirds sensor and the Panasonic ZS100 an one-inch sensor. The sensor area in the ZS100 is 48 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 2.7. The sensor in the E-M10 III has a native 4:3 aspect ratio, while the one in the ZS100 offers a 3:2 aspect.

Olympus E-M10 III and Panasonic ZS100 sensor measures

Despite having a smaller sensor, the ZS100 offers a higher resolution of 20 megapixels, compared with 15.9 MP of the E-M10 III. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.41μm versus 3.76μm for the E-M10 III). Moreover, it should be noted that the E-M10 III is a somewhat more recent model (by 1 year and 7 months) than the ZS100, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the E-M10 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Panasonic ZS100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the ZS100 for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Olympus E-M10 III 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 Olympus OM-D E-M10 Mark III 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 DMC-ZS100 are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

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-M10 III versus ZS100 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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. 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
2.
 
Panasonic ZS100 1-inch 20.0 5472 36484K/30p22.812.555970
3.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
4.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
5.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p21.811.926062
6.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
7.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
8.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
9.
 
Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p22.512.071768
10.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
11.
 
Olympus E-PL8 Four Thirds 15.9 4608 34561080/30p23.012.6103073
12.
 
Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p23.112.8116274
13.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
14.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
15.
 
Panasonic GX85 Four Thirds 15.8 4592 34484K/30p22.912.666271
16.
 
Panasonic LX10 1-inch 20.0 5472 36484K/30p22.812.558170
17.
 
Panasonic ZS200 1-inch 20.0 5472 36484K/30p22.012.244964
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (4K/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 consideration are similar with respect to both having an electronic viewfinder. However, the one in the E-M10 III offers a substantially higher resolution than the one in the ZS100 (2360k vs 1166k dots). The table below summarizes some of the other core capabilities of the Olympus E-M10 III and Panasonic ZS100 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
2.
 
Panasonic ZS1001166 n3.0 / 1040 fixed Y 1/2000s 10.0/s Y Y
3.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
4.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
5.
 
Canon G7 X Mark IInone n3.0 / 1040 tilting Y 1/2000s 8.0/s Y Y
6.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
7.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
8.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
9.
 
Olympus E-PL6optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
10.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
11.
 
Olympus E-PL8optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
12.
 
Olympus E-PL9none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
13.
 
Olympus E-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
14.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
15.
 
Panasonic GX852765 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
16.
 
Panasonic LX10none n3.0 / 1040 tilting Y 1/4000s 10.0/s Y Y
17.
 
Panasonic ZS2002330 n3.0 / 1240 fixed Y 1/2000s 10.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

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-M10 III and the Panasonic ZS100 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.

Concerning the storage of imaging data, both the E-M10 III and the ZS100 write their files to SDXC cards. The E-M10 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the ZS100 can use UHS-I cards (up to 104 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 OM-D E-M10 Mark III and Panasonic Lumix DMC-ZS100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
2.
 
Panasonic ZS100-stereo / mono--micro2.0Y--
3.
 
Canon G5 XYstereo / mono--mini2.0YY-
4.
 
Canon G7 X-stereo / mono--micro2.0YY-
5.
 
Canon G7 X Mark II-stereo / mono--micro2.0YY-
6.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
7.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
8.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
9.
 
Olympus E-PL6Ystereo / mono--mini2.0---
10.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
11.
 
Olympus E-PL8Ystereo / mono--micro2.0Y--
12.
 
Olympus E-PL9Ystereo / mono--micro2.0Y-Y
13.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y
14.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
15.
 
Panasonic GX85Ystereo / mono--micro2.0Y--
16.
 
Panasonic LX10-stereo / mono--micro2.0Y--
17.
 
Panasonic ZS200-stereo / mono--micro2.0Y-Y

It is notable that the E-M10 III has a hotshoe, while the ZS100 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the E-M10 III and the ZS100 have been discontinued, but can regularly be found used on ebay. The ZS100 was replaced by the Panasonic ZS200, while the E-M10 III was followed by the Olympus E-M10 IV. Further information on the features and operation of the E-M10 III and ZS100 can be found, respectively, in the Olympus E-M10 III Manual (free pdf) or the online Panasonic ZS100 Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Olympus E-M10 III and the Panasonic ZS100? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Olympus OM-D E-M10 Mark III:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2360k vs 1166k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.62x vs 0.46x).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Is somewhat more recent (announced 1 year and 7 months after the ZS100).

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Reasons to prefer the Panasonic Lumix DMC-ZS100:

  • More detail: Has more megapixels (20 vs 15.9MP), which boosts linear resolution by 14%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Faster burst: Shoots at higher frequency (10 vs 8.6 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has an integrated lens, whereas the E-M10 III necessitates an extra lens.
  • More compact: Is smaller (111x65mm vs 122x84mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the E-M10 III).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More heavily discounted: Has been on the market for longer (launched in January 2016).

If the count of relative strengths (bullet points above) is taken as a measure, the E-M10 III is the clear winner of the match-up (13 : 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 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-M10 III 13:08 ZS100

How about other alternatives? Do the specifications of the Olympus E-M10 III and the Panasonic ZS100 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the E-M10 III and the ZS100 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is 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 (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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 US$ 649ebay.com
2.
 
Panasonic ZS1004.5/5+ +..82/1004.5/54.5/5 Jan 2016 US$ 699ebay.com
3.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 US$ 799ebay.com
4.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 US$ 699ebay.com
5.
 
Canon G7 X Mark II4.5/5+ +..81/1004.5/54.5/5 Feb 2016 US$ 699ebay.com
6.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 US$ 699ebay.com
7.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 US$ 649ebay.com
8.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 US$ 699 amazon.com
9.
 
Olympus E-PL6............ May 2013 US$ 599ebay.com
10.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 US$ 599ebay.com
11.
 
Olympus E-PL8........4.5/54/5 Sep 2016 US$ 549ebay.com
12.
 
Olympus E-PL9..+....4.5/54/5 Feb 2018 US$ 599ebay.com
13.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 US$ 599ebay.com
14.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 US$ 1 199ebay.com
15.
 
Panasonic GX854.5/5+ +..82/1005/55/5 Apr 2016 US$ 799 amazon.com
16.
 
Panasonic LX10..+ +4/581/1004/54.5/5 Sep 2016 US$ 699 amazon.com
17.
 
Panasonic ZS200..+ +4.5/581/1004.5/54.5/5 Feb 2018 US$ 799 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and 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.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. 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-M10 III vs Panasonic ZS100

    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-M10 III Panasonic ZS100
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 25-250mm f/2.8-5.9
    Launch Date August 2017 January 2016
    Launch Price USD 649 USD 699
    Sensor Specs Olympus E-M10 III Panasonic ZS100
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor 1" Sensor
    Sensor Size 17.3 x 13.0 mm 13.2 x 8.8 mm
    Sensor Area 224.9 mm2 116.16 mm2
    Sensor Diagonal 21.6 mm 15.9 mm
    Crop Factor 2.0x 2.7x
    Sensor Resolution 15.9 Megapixels 20 Megapixels
    Image Resolution 4608 x 3456 pixels 5472 x 3648 pixels
    Pixel Pitch 3.76 μm 2.41 μm
    Pixel Density 7.08 MP/cm2 17.18 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 200 - 25,600 ISO 125 - 12,800 ISO
    ISO Boost 100 - 25,600 ISO 80 - 25,600 ISO
    Image Processor TruePic VIII Venus
    DXO Sensor Quality (score) .. 70
    DXO Color Depth (bits) .. 22.8
    DXO Dynamic Range (EV) .. 12.5
    DXO Low Light (ISO) .. 559
    Screen Specs Olympus E-M10 III Panasonic ZS100
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 0.46x
    Viewfinder Resolution 2360k dots 1166k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M10 III Panasonic ZS100
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/2000s
    Continuous Shooting 8.6 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-II UHS-I
    Connectivity Specs Olympus E-M10 III Panasonic ZS100
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support Wifi built-in Wifi built-in
    Body Specs Olympus E-M10 III Panasonic ZS100
    Battery Type Olympus BLS-50 Panasonic DMW-BLG10
    Battery Life (CIPA)330 shots per charge300 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 122 x 84 x 50 mm
    (4.8 x 3.3 x 2.0 in)
    111 x 65 x 44 mm
    (4.4 x 2.6 x 1.7 in)
    Camera Weight 410 g (14.5 oz) 312 g (11.0 oz)
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    Check E-M10 III offers at
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    Check ZS100 offers at
    ebay.com

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