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Olympus E-3 vs E-M10 IV

The Olympus E-3 and the Olympus OM-D E-M10 Mark IV are two digital cameras that were revealed to the public, respectively, in October 2007 and August 2020. The E-3 is a DSLR, while the E-M10 IV is a mirrorless interchangeable lens camera. Both cameras are equipped with a Four Thirds sensor. The E-3 has a resolution of 10 megapixels, whereas the E-M10 IV provides 20.2 MP.

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

Headline Specifications
Olympus E-3
versus
Olympus E-M10 IV
Olympus E-3   Olympus E-M10 IV
Digital single lens reflex Mirrorless system camera
Four Thirds lenses Micro Four Thirds lenses
10 MP – Four Thirds sensor 20.2 MP – Four Thirds sensor
no Video 4K/30p Video
ISO 100-3,200 ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
2.5" LCD – 230k dots 3.0" LCD – 1040k dots
Swivel screen (not touch-sensitive) Tilting touchscreen
5 shutter flaps per second 15 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
750 shots per battery charge360 shots per battery charge
142 x 116 x 75 mm, 876 g 122 x 84 x 49 mm, 383 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-3 and the Olympus OM-D E-M10 Mark IV? 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 side-by-side display below illustrates the physical size and weight of the Olympus E-3 and the Olympus E-M10 IV. 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 measures are rounded to the nearest millimeter.

The E-M10 IV can be obtained in two different colors (black, silver), while the E-3 is only available in black.

Size Olympus E-3 vs Olympus E-M10 IV
Compare E-3 versus E-M10 IV top
Comparison E-3 or E-M10 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 IV is considerably smaller (38 percent) than the Olympus E-3. Moreover, the E-M10 IV is substantially lighter (56 percent) than the E-3. It is worth mentioning in this context that the E-3 is splash and dust resistant, while the E-M10 IV 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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Four Thirds Lens Catalog (E-3) and the Micro Four Thirds Lens Catalog (E-M10 IV). Mirrorless cameras, such as the E-M10 IV, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the E-3 gets 750 shots out of its Olympus BLM-1 battery, while the E-M10 IV can take 360 images on a single charge of its Olympus BLS-50 power pack. The power pack in the E-M10 IV 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. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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-3 142 mm 116 mm 75 mm 876 g 750 Y Oct 2007 1,699ebay.com
2.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 amazon.com
3.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799ebay.com
4.
 
Olympus E-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 799 amazon.com
5.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 599ebay.com
6.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 649ebay.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-5 142 mm 117 mm 75 mm 873 g 750 Y Sep 2010 1,699ebay.com
10.
 
Olympus E-600 130 mm 94 mm 60 mm 535 g 500 n Aug 2009 449ebay.com
11.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 699ebay.com
12.
 
Olympus E-30 142 mm 108 mm 75 mm 701 g 750 n Nov 2008 1,299ebay.com
13.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 599ebay.com
14.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 699ebay.com
15.
 
Olympus E-410 130 mm 91 mm 53 mm 435 g 500 n Mar 2007 699ebay.com
16.
 
Olympus E-510 136 mm 92 mm 68 mm 538 g 750 n Mar 2007 799ebay.com
17.
 
Olympus E-1 141 mm 104 mm 81 mm 738 g 750 Y Jun 2003 1,699ebay.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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The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-M10 IV was launched at a markedly lower price (by 59 percent) than the E-3, which puts it into a different market segment. 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. 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 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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Technology-wise, the E-M10 IV uses a more advanced image processing engine (TruePic VIII) than the E-3 (TruePic III), with benefits for noise reduction, color accuracy, and processing speed.

Olympus E-3 and Olympus E-M10 IV sensor measures

While the two cameras under review share the same sensor size, the E-M10 IV offers a higher resolution of 20.2 megapixels, compared with 10 MP of the E-3. This megapixels advantage translates into a 42 percent gain in linear resolution. On the other hand, these sensor specs imply that the E-M10 IV has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 4.74μm for the E-3). However, it should be noted that the E-M10 IV is much more recent (by 12 years and 9 months) than the E-3, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the E-M10 IV has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M10 IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M10 IV for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Olympus E-3 are 18.2 x 13.7 inches or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inches or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inches or 30.9 x 23.2 cm for excellent quality prints.

The Olympus E-3 has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Olympus OM-D E-M10 Mark IV are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

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-3 versus E-M10 IV MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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-3 Four Thirds 10.0 3648 2736none21.610.557156
2.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
3.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
4.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
5.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
6.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
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-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
10.
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
11.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
12.
 
Olympus E-30 Four Thirds 12.2 4032 3024none21.310.453055
13.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
14.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
15.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
16.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
17.
 
Olympus E-1 Four Thirds 4.9 2560 1920none20.09.7-14544
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. The E-M10 IV indeed provides for movie recording, while the E-3 does not. The highest resolution format that the E-M10 IV can use is 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the E-M10 IV has an electronic viewfinder (2360k dots), while the E-3 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 E-M10 IV has a higher magnification than the one of the E-3 (0.62x vs 0.58x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Olympus E-3 and Olympus E-M10 IV in connection with corresponding information for a sample of similar cameras.

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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-3optical Y2.5 / 230 swivel n 1/8000s 5.0/s Y Y
2.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
3.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
4.
 
Olympus E-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
5.
 
Olympus E-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
6.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y 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-5optical Y3.0 / 920 swivel n 1/8000s 5.0/s Y Y
10.
 
Olympus E-600optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
11.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
12.
 
Olympus E-30optical Y2.7 / 230 swivel n 1/8000s 5.0/s Y Y
13.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
14.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
15.
 
Olympus E-410optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
16.
 
Olympus E-510optical n2.5 / 215 fixed n 1/4000s 3.0/s Y Y
17.
 
Olympus E-1optical Y1.8 / 134 fixed n 1/4000s 3.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that is present on the E-3, but is missing on the E-M10 IV is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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 E-M10 IV 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 Olympus E-M10 IV 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-3 writes its imaging data to Compact Flash or xD Picture cards, while the E-M10 IV uses SDXC cards. The E-3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M10 IV only has one slot.

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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 E-3 and Olympus OM-D E-M10 Mark IV 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-3Y- / ----2.0---
2.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
3.
 
Nikon D300Y- / ---mini2.0---
4.
 
Olympus E-P7Ystereo / mono--micro2.0Y-Y
5.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y
6.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
7.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
8.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
9.
 
Olympus E-5Ystereo / ---mini2.0---
10.
 
Olympus E-600Y- / ----2.0---
11.
 
Olympus E-620Y- / ----2.0---
12.
 
Olympus E-30Y- / ----2.0---
13.
 
Olympus E-420Y- / ----2.0---
14.
 
Olympus E-520Y- / ----2.0---
15.
 
Olympus E-410Y- / ----2.0---
16.
 
Olympus E-510Y- / ----2.0---
17.
 
Olympus E-1Y- / ----2.0---
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It is notable that the E-M10 IV offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-3 does not provide wifi capability.

Studio photographers will appreciate that the Olympus E-3 (unlike the E-M10 IV) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The E-M10 IV is a recent model that features in the current product line-up of Olympus. In contrast, the E-3 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the E-3 was succeeded by the Olympus E-5. Further information on the features and operation of the E-3 and E-M10 IV can be found, respectively, in the Olympus E-3 Manual (free pdf) or the online Olympus E-M10 IV Manual.

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Review summary

So what conclusions can be drawn? Is the Olympus E-3 better than the Olympus E-M10 IV or vice versa? A synthesis of the relative strong points of each of the models is listed below.


Reasons to prefer the Olympus E-3:

  • 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.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More flexible LCD: Has a swivel 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: Can take more shots (750 versus 360) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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 available for much longer (launched in October 2007).


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

  • More detail: Has more megapixels (20.2 vs 10MP), which boosts linear resolution by 42%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better jpgs: Has a more modern image processing engine (TruePic VIII vs TruePic III).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.62x vs 0.58x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (15 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.
  • More compact: Is smaller (122x84mm vs 142x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 493g or 56 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • 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 affordable: Was introduced into a lower priced category (59 percent cheaper at launch).
  • More modern: Reflects 12 years and 9 months of technical progress since the E-3 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the E-M10 IV is the clear winner of the contest (20 : 10 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision 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-3 10:20 E-M10 IV

How about other alternatives? Do the specifications of the Olympus E-3 and the Olympus E-M10 IV 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the E-3 and the E-M10 IV 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 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-3..88/100..+ +o4/5 Oct 2007 1,699ebay.com
2.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 699 amazon.com
3.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799ebay.com
4.
 
Olympus E-P74/5..4.5/5....4.5/5 Jun 2021 799 amazon.com
5.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 599ebay.com
6.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 649ebay.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-54/5....75/1004/54.5/5 Sep 2010 1,699ebay.com
10.
 
Olympus E-600..........4.5/5 Aug 2009 449ebay.com
11.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 699ebay.com
12.
 
Olympus E-30......71/1004.5/54/5 Nov 2008 1,299ebay.com
13.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 599ebay.com
14.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 699ebay.com
15.
 
Olympus E-410..86/100..+ +4/54.5/5 Mar 2007 699ebay.com
16.
 
Olympus E-510..89/100..+ +3.5/54.5/5 Mar 2007 799ebay.com
17.
 
Olympus E-1......+o.. Jun 2003 1,699ebay.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 assessments were made in relation to similar cameras of the same technological generation. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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 a corresponding selection in the search boxes 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-3 vs Olympus E-M10 IV

    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-3 Olympus E-M10 IV
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Four Thirds lenses Micro Four Thirds lenses
    Launch Date October 2007 August 2020
    Launch Price USD 1,699 USD 699
    Sensor Specs Olympus E-3 Olympus E-M10 IV
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Four Thirds Sensor
    Sensor Size 17.3 x 13.0 mm 17.3 x 13.0 mm
    Sensor Area 224.9 mm2 224.9 mm2
    Sensor Diagonal 21.6 mm 21.6 mm
    Crop Factor 2.0x 2.0x
    Sensor Resolution 10 Megapixels 20.2 Megapixels
    Image Resolution 3648 x 2736 pixels 5184 x 3888 pixels
    Pixel Pitch 4.74 μm 3.34 μm
    Pixel Density 4.44 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 3,200 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 100 - 25,600 ISO
    Image Processor TruePic III TruePic VIII
    DXO Sensor Quality (score) 56 ..
    DXO Color Depth (bits) 21.6 ..
    DXO Dynamic Range (EV) 10.5 ..
    DXO Low Light (ISO) 571 ..
    Screen Specs Olympus E-3 Olympus E-M10 IV
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.58x 0.62x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-3 Olympus E-M10 IV
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 5 shutter flaps/s 15 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF or XD cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    Connectivity Specs Olympus E-3 Olympus E-M10 IV
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Olympus E-3 Olympus E-M10 IV
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Olympus BLM-1 Olympus BLS-50
    Battery Life (CIPA)750 shots per charge360 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 142 x 116 x 75 mm
    (5.6 x 4.6 x 3.0 in)
    122 x 84 x 49 mm
    (4.8 x 3.3 x 1.9 in)
    Camera Weight 876 g (30.9 oz) 383 g (13.5 oz)
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