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Olympus E-PM1 vs Panasonic TZ100

The Olympus PEN E-PM1 and the Panasonic Lumix DMC-TZ100 (labelled Panasonic ZS100 in some countries) are two digital cameras that were revealed to the public, respectively, in June 2011 and January 2016. The E-PM1 is a mirrorless interchangeable lens camera, while the TZ100 is a fixed lens compact. The cameras are based on a Four Thirds (E-PM1) and an one-inch (TZ100) sensor. The Olympus has a resolution of 12.2 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-PM1
versus
Panasonic TZ100
Olympus E-PM1   Panasonic TZ100
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 25-250mm f/2.8-5.9
12.2 MP – Four Thirds sensor 20 MP – 1" sensor
1080/60i Video 4K/30p Video
ISO 100-12,800 ISO 125-12,800 (80 - 25,600)
Viewfinder optional Electronic viewfinder (1166k dots)
3.0" LCD – 460k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
5.5 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
330 shots per battery charge300 shots per battery charge
110 x 64 x 34 mm, 265 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 PEN E-PM1 and the Panasonic Lumix DMC-TZ100? 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-PM1 and the Panasonic TZ100 is provided 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 width, height and depth 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 TZ100 is available in two color-versions (black, silver).

Size Olympus E-PM1 vs Panasonic TZ100
Compare E-PM1 versus TZ100 top
Comparison E-PM1 or TZ100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic TZ100 is somewhat larger (2 percent) than the Olympus E-PM1. In this context, it is worth noting that neither the E-PM1 nor the TZ100 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TZ100 has a lens built in, whereas the E-PM1 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-PM1 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the E-PM1 gets 330 shots out of its Olympus BLS-5 battery, while the TZ100 can take 300 images on a single charge of its Panasonic DMW-BLG10 power pack. The power pack in the TZ100 can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
2.
 
Panasonic TZ100 111 mm 65 mm 44 mm 312 g 300 n Jan 2016 699ebay.com
3.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
4.
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679ebay.com
5.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499ebay.com
6.
 
Olympus XZ-2 113 mm 65 mm 48 mm 346 g 340 n Sep 2012 599ebay.com
7.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
8.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
9.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
10.
 
Olympus XZ-1 111 mm 65 mm 42 mm 275 g 320 n Jan 2011 499ebay.com
11.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
12.
 
Panasonic TZ200 111 mm 65 mm 45 mm 340 g 370 n Feb 2018 799 amazon.com
13.
 
Panasonic LX15 106 mm 60 mm 42 mm 310 g 260 n Sep 2016 699 amazon.com
14.
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 499ebay.com
15.
 
Panasonic GF3 108 mm 67 mm 32 mm 264 g 300 n Jun 2011 549ebay.com
16.
 
Panasonic GF2 113 mm 68 mm 33 mm 310 g 300 n Nov 2010 549ebay.com
17.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 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 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. 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 TZ100 an one-inch sensor. The sensor area in the TZ100 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-PM1 has a native 4:3 aspect ratio, while the one in the TZ100 offers a 3:2 aspect.

Olympus E-PM1 and Panasonic TZ100 sensor measures

Despite having a smaller sensor, the TZ100 offers a higher resolution of 20 megapixels, compared with 12.2 MP of the E-PM1. 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 4.29μm for the E-PM1). However, it should be noted that the TZ100 is much more recent (by 4 years and 6 months) than the E-PM1, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Panasonic TZ100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the TZ100 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-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.

The Olympus PEN E-PM1 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Panasonic Lumix DMC-TZ100 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-PM1 versus TZ100 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 TZ100 offers substantially better image quality than the E-PM1 (overall score 18 points higher). The advantage is based on 1.8 bits higher color depth, 2.2 EV in additional dynamic range, and 0.2 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
2.
 
Panasonic TZ100 1-inch 20.0 5472 36484K/30p22.812.555970
3.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
4.
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
5.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
6.
 
Olympus XZ-2 1/1.7 11.8 3968 29761080/30p20.411.321649
7.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
8.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
9.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
10.
 
Olympus XZ-1 1/1.7 10.1 3664 2752720/30p18.810.411734
11.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
12.
 
Panasonic TZ200 1-inch 20.0 5472 36484K/30p22.012.244964
13.
 
Panasonic LX15 1-inch 20.0 5472 36484K/30p21.912.031562
14.
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i20.510.057350
15.
 
Panasonic GF3 Four Thirds 12.0 4000 30001080/60i20.610.145950
16.
 
Panasonic GF2 Four Thirds 12.0 4000 30001080/60i21.210.350654
17.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
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 can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the TZ100 provides a better video resolution than the E-PM1. It can shoot movie footage at 4K/30p, while the Olympus is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the TZ100 has an electronic viewfinder (1166k 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 adjacent table lists some of the other core features of the Olympus E-PM1 and Panasonic TZ100 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-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
2.
 
Panasonic TZ1001166 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 M3optional n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
5.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0/s n Y
6.
 
Olympus XZ-2optional n3.0 / 920 tilting Y 1/2000s 5.0/s Y Y
7.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
8.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
9.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
10.
 
Olympus XZ-1optional n3.0 / 614 fixed n 1/2000s 2.0/s Y Y
11.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
12.
 
Panasonic TZ2002330 n3.0 / 1240 fixed Y 1/2000s 10.0/s Y Y
13.
 
Panasonic LX15none n3.0 / 1040 tilting Y 1/4000s 10.0/s Y Y
14.
 
Panasonic GF5none n3.0 / 920 fixed Y 1/4000s 4.0/s Y n
15.
 
Panasonic GF3none n3.0 / 460 fixed Y 1/4000s 3.2/s Y n
16.
 
Panasonic GF2optional n3.0 / 460 fixed Y 1/4000s 2.6/s Y n
17.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The TZ100 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 TZ100 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 TZ100 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.

Concerning the storage of imaging data, both the E-PM1 and the TZ100 write their files to SDXC cards. The TZ100 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the E-PM1 cannot take advantage of Ultra High Speed SD cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus PEN E-PM1 and Panasonic Lumix DMC-TZ100 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-PM1Ystereo / mono--mini2.0---
2.
 
Panasonic TZ100-stereo / mono--micro2.0Y--
3.
 
Canon G5 XYstereo / mono--mini2.0YY-
4.
 
Canon M3Ystereo / monoY-mini2.0YY-
5.
 
Olympus E-PM2Ystereo / mono--mini2.0---
6.
 
Olympus XZ-2Ystereo / mono--mini2.0---
7.
 
Olympus E-P3Ystereo / ---mini2.0---
8.
 
Olympus E-PL2Ystereo / ---mini2.0---
9.
 
Olympus E-PL3Ystereo / ---mini2.0---
10.
 
Olympus XZ-1Ymono / ---mini2.0---
11.
 
Olympus E-PL1Ystereo / ---mini2.0---
12.
 
Panasonic TZ200-stereo / mono--micro2.0Y-Y
13.
 
Panasonic LX15-stereo / mono--micro2.0Y--
14.
 
Panasonic GF5-stereo / mono--mini2.0---
15.
 
Panasonic GF3-stereo / mono--mini2.0---
16.
 
Panasonic GF2Ystereo / mono--mini2.0---
17.
 
Sony RX100 IV-stereo / mono--micro2.0YY-
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It is notable that the E-PM1 has a hotshoe, while the TZ100 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the E-PM1 and the TZ100 have been discontinued, but can regularly be found used on ebay. The E-PM1 was replaced by the Olympus E-PM2, while the TZ100 was followed by the Panasonic TZ200. Further information on the features and operation of the E-PM1 and TZ100 can be found, respectively, in the Olympus E-PM1 Manual (free pdf) or the online Panasonic TZ100 Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Olympus E-PM1 and the Panasonic TZ100? 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 PEN E-PM1:

  • 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.
  • More heavily discounted: Has been available for much longer (launched in June 2011).

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Advantages of the Panasonic Lumix DMC-TZ100:

  • More detail: Has more megapixels (20 vs 12.2MP), which boosts linear resolution by 30%.
  • Better image quality: Scores substantially higher (18 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.8 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.2 EV of extra DR).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 460k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (10 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.
  • Ready to shoot: Has an integrated lens, whereas the E-PM1 necessitates an extra lens.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 4 years and 6 months of technical progress since the E-PM1 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the TZ100 is the clear winner of the contest (17 : 4 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-PM1 04:17 TZ100

How about other alternatives? Do the specifications of the Olympus E-PM1 and the Panasonic TZ100 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the E-PM1 or the TZ100 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 hands-on reviews by experts are important. 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
# 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-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
2.
 
Panasonic TZ1004.5/5+ +..82/1004.5/54.5/5 Jan 2016 699ebay.com
3.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
4.
 
Canon M34/5o..75/1004.5/54/5 Feb 2015 679ebay.com
5.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 499ebay.com
6.
 
Olympus XZ-24/5+....4.5/54.5/5 Sep 2012 599ebay.com
7.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
8.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
9.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
10.
 
Olympus XZ-14/5....74/1004.5/54.5/5 Jan 2011 499ebay.com
11.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
12.
 
Panasonic TZ200..+ +4.5/581/1004.5/54.5/5 Feb 2018 799 amazon.com
13.
 
Panasonic LX15..+ +4/581/1004/54.5/5 Sep 2016 699 amazon.com
14.
 
Panasonic GF53/5......4.5/54.5/5 Apr 2012 499ebay.com
15.
 
Panasonic GF33/582/100..71/1004.5/54/5 Jun 2011 549ebay.com
16.
 
Panasonic GF23/582/100..70/1004.5/54.5/5 Nov 2010 549ebay.com
17.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Olympus E-PM1 vs Panasonic TZ100

    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 TZ100
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 25-250mm f/2.8-5.9
    Launch Date June 2011 January 2016
    Launch Price USD 499 USD 699
    Sensor Specs Olympus E-PM1 Panasonic TZ100
    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 12.2 Megapixels 20 Megapixels
    Image Resolution 4032 x 3024 pixels 5472 x 3648 pixels
    Pixel Pitch 4.29 μm 2.41 μm
    Pixel Density 5.42 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 125 - 12,800 ISO
    ISO Boost no Enhancement 80 - 25,600 ISO
    Image Processor TruePic VI Venus
    DXO Sensor Quality (score) 52 70
    DXO Color Depth (bits) 21.0 22.8
    DXO Dynamic Range (EV) 10.3 12.5
    DXO Low Light (ISO) 499 559
    Screen Specs Olympus E-PM1 Panasonic TZ100
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.46x
    Viewfinder Resolution 1166k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 460k dots 1040k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-PM1 Panasonic TZ100
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/2000s
    Continuous Shooting 5.5 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Olympus E-PM1 Panasonic TZ100
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Body Specs Olympus E-PM1 Panasonic TZ100
    Battery Type Olympus BLS-5 Panasonic DMW-BLG10
    Battery Life (CIPA)330 shots per charge300 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)
    111 x 65 x 44 mm
    (4.4 x 2.6 x 1.7 in)
    Camera Weight 265 g (9.3 oz) 312 g (11.0 oz)
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