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Olympus E-3 vs Nikon Z7

The Olympus E-3 and the Nikon Z7 are two digital cameras that were officially introduced, respectively, in October 2007 and August 2018. The E-3 is a DSLR, while the Z7 is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-3) and a full frame (Z7) sensor. The Olympus has a resolution of 10 megapixels, whereas the Nikon provides 45.4 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
Nikon Z7
Olympus E-3   Nikon Z7
Digital single lens reflex Mirrorless system camera
Four Thirds lenses Nikon Z mount lenses
10 MP – Four Thirds sensor 45.4 MP – Full Frame sensor
no Video 4K/30p Video
ISO 100-3,200 ISO 64-25,600 (32 - 102,400)
Optical viewfinder Electronic viewfinder (3690k dots)
2.5" LCD – 230k dots 3.2" LCD – 2100k dots
Swivel screen (not touch-sensitive) Tilting touchscreen
5 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
750 shots per battery charge330 shots per battery charge
142 x 116 x 75 mm, 876 g 134 x 101 x 67 mm, 675 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 Nikon Z7? 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-3 and the Nikon Z7 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.

Size Olympus E-3 vs Nikon Z7
Compare E-3 versus Z7 top
Comparison E-3 or Z7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon Z7 is notably smaller (18 percent) than the Olympus E-3. Moreover, the Z7 is markedly lighter (23 percent) than the E-3. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the E-3 gets 750 shots out of its Olympus BLM-1 battery, while the Z7 can take 330 images on a single charge of its Nikon EN-EL15b power pack. The power pack in the Z7 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
# 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.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399ebay.com
3.
 
Nikon Z8 144 mm 119 mm 83 mm 910 g 340 Y May 2023 3,999 amazon.com
4.
 
Nikon Z7 II 134 mm 101 mm 70 mm 705 g 420 Y Oct 2020 2,999 amazon.com
5.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
6.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799ebay.com
7.
 
Olympus E-5 142 mm 117 mm 75 mm 873 g 750 Y Sep 2010 1,699ebay.com
8.
 
Olympus E-600 130 mm 94 mm 60 mm 535 g 500 n Aug 2009 449ebay.com
9.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 699ebay.com
10.
 
Olympus E-30 142 mm 108 mm 75 mm 701 g 750 n Nov 2008 1,299ebay.com
11.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 599ebay.com
12.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 699ebay.com
13.
 
Olympus E-410 130 mm 91 mm 53 mm 435 g 500 n Mar 2007 699ebay.com
14.
 
Olympus E-510 136 mm 92 mm 68 mm 538 g 750 n Mar 2007 799ebay.com
15.
 
Olympus E-1 141 mm 104 mm 81 mm 738 g 750 Y Jun 2003 1,699ebay.com
16.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
17.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-3 was launched at a markedly lower price (by 50 percent) than the Z7, 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.

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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus E-3 features a Four Thirds sensor and the Nikon Z7 a full frame sensor. The sensor area in the Z7 is 281 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-3 has a native 4:3 aspect ratio, while the one in the Z7 offers a 3:2 aspect.

Olympus E-3 and Nikon Z7 sensor measures

With 45.4MP, the Z7 offers a higher resolution than the E-3 (10MP), but the Z7 has smaller individual pixels (pixel pitch of 4.35μm versus 4.74μm for the E-3). Yet, the Z7 is a much more recent model (by 10 years and 10 months) than the E-3, 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 Z7 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Nikon Z7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Z7 for good quality output (200 dots per inch) amounts to 41.3 x 27.5 inches or 104.9 x 69.9 cm, for very good quality (250 dpi) 33 x 22 inches or 83.9 x 55.9 cm, and for excellent quality (300 dpi) 27.5 x 18.3 inches or 69.9 x 46.6 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 Z7 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus E-3 has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Nikon Z7 are ISO 64 to ISO 25600, with the possibility to increase the ISO range to 32-102400.

In terms of underlying technology, the E-3 is build around a CMOS sensor, while the Z7 uses a BSI-CMOS imager. 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 Z7 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. Of the two cameras under consideration, the Z7 offers substantially better image quality than the E-3 (overall score 43 points higher). The advantage is based on 4.7 bits higher color depth, 4.1 EV in additional dynamic range, and 2.2 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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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.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
3.
 
Nikon Z8 Full Frame 45.4 8256 55048K/30p26.314.2254898
4.
 
Nikon Z7 II Full Frame 45.4 8256 55044K/60p26.314.72841100
5.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
6.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
7.
 
Olympus E-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
8.
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
9.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
10.
 
Olympus E-30 Four Thirds 12.2 4032 3024none21.310.453055
11.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
12.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
13.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
14.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
15.
 
Olympus E-1 Four Thirds 4.9 2560 1920none20.09.7-14544
16.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
17.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
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 Z7 indeed provides for movie recording, while the E-3 does not. The highest resolution format that the Z7 can use is 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 Z7 has an electronic viewfinder (3690k 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 Z7 has a higher magnification than the one of the E-3 (0.80x 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 Nikon Z7 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.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
3.
 
Nikon Z83690 Y3.2 / 2089 full-flex Y 1/32000s 30.0/s n Y
4.
 
Nikon Z7 II3690 Y3.2 / 2100 tilting Y 1/8000s 10.0/s n Y
5.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
6.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
7.
 
Olympus E-5optical Y3.0 / 920 swivel n 1/8000s 5.0/s Y Y
8.
 
Olympus E-600optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
9.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
10.
 
Olympus E-30optical Y2.7 / 230 swivel n 1/8000s 5.0/s Y Y
11.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
12.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
13.
 
Olympus E-410optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
14.
 
Olympus E-510optical n2.5 / 215 fixed n 1/4000s 3.0/s Y Y
15.
 
Olympus E-1optical Y1.8 / 134 fixed n 1/4000s 3.0/s n n
16.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/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-3 has one, while the Z7 does not. While the built-in flash of the E-3 is not very powerful, it can at times be useful as a fill-in light.

The E-3 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 Z7 does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the Z7 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 Nikon Z7 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 Z7 uses XQD cards. The E-3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the Z7 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 Nikon Z7 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.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
3.
 
Nikon Z8Ystereo / monoYYfull3.2Y-Y
4.
 
Nikon Z7 IIYstereo / monoYYmicro3.2Y-Y
5.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
6.
 
Nikon D300Y- / ---mini2.0---
7.
 
Olympus E-5Ystereo / ---mini2.0---
8.
 
Olympus E-600Y- / ----2.0---
9.
 
Olympus E-620Y- / ----2.0---
10.
 
Olympus E-30Y- / ----2.0---
11.
 
Olympus E-420Y- / ----2.0---
12.
 
Olympus E-520Y- / ----2.0---
13.
 
Olympus E-410Y- / ----2.0---
14.
 
Olympus E-510Y- / ----2.0---
15.
 
Olympus E-1Y- / ----2.0---
16.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
17.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
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It is notable that the Z7 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 Z7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-3 and the Z7 have been discontinued, but can regularly be found used on ebay. The E-3 was replaced by the Olympus E-5, while the Z7 was followed by the Nikon Z7 II. Further information on the features and operation of the E-3 and Z7 can be found, respectively, in the Olympus E-3 Manual (free pdf) or the online Nikon Z7 Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Olympus E-3 and the Nikon Z7? 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 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.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Longer lasting: Can take more shots (750 versus 330) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • 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 affordable: Was introduced into a lower priced category (50 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in October 2007).

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Reasons to prefer the Nikon Z7:

  • More detail: Has more megapixels (45.4 vs 10MP), which boosts linear resolution by 118%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (43 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (4.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (4.1 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.2 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.80x vs 0.58x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (9 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (134x101mm vs 142x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 201g or 23 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 10 years and 10 months of technical progress since the E-3 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the Z7 is the clear winner of the contest (24 : 10 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-3 10:24 Z7

How about other alternatives? Do the specifications of the Olympus E-3 and the Nikon Z7 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of 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-3 and the Z7 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
# 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.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 3,399ebay.com
3.
 
Nikon Z85/5..5/594/1005/54.5/5 May 2023 3,999 amazon.com
4.
 
Nikon Z7 II4.5/5..4.5/5..4.5/54.5/5 Oct 2020 2,999 amazon.com
5.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
6.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799ebay.com
7.
 
Olympus E-54/5....75/1004/54.5/5 Sep 2010 1,699ebay.com
8.
 
Olympus E-600..........4.5/5 Aug 2009 449ebay.com
9.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 699ebay.com
10.
 
Olympus E-30......71/1004.5/54/5 Nov 2008 1,299ebay.com
11.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 599ebay.com
12.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 699ebay.com
13.
 
Olympus E-410..86/100..+ +4/54.5/5 Mar 2007 699ebay.com
14.
 
Olympus E-510..89/100..+ +3.5/54.5/5 Mar 2007 799ebay.com
15.
 
Olympus E-1......+o.. Jun 2003 1,699ebay.com
16.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
17.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, 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-3 vs Nikon Z7

    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 Nikon Z7
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Four Thirds lenses Nikon Z mount lenses
    Launch Date October 2007 August 2018
    Launch Price USD 1,699 USD 3,399
    Sensor Specs Olympus E-3 Nikon Z7
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.9 x 23.9 mm
    Sensor Area 224.9 mm2 858.01 mm2
    Sensor Diagonal 21.6 mm 43.1 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 10 Megapixels 45.4 Megapixels
    Image Resolution 3648 x 2736 pixels 8256 x 5504 pixels
    Pixel Pitch 4.74 μm 4.35 μm
    Pixel Density 4.44 MP/cm2 5.30 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 3,200 ISO 64 - 25,600 ISO
    ISO Boost no Enhancement 32 - 102,400 ISO
    Image Processor TruePic III EXPEED 6
    DXO Sensor Quality (score) 56 99
    DXO Color Depth (bits) 21.6 26.3
    DXO Dynamic Range (EV) 10.5 14.6
    DXO Low Light (ISO) 571 2668
    Screen Specs Olympus E-3 Nikon Z7
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.58x 0.80x
    Viewfinder Resolution 3690k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 2.5inch 3.2inch
    LCD Resolution 230k dots 2100k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-3 Nikon Z7
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy150 000 actuations200 000 actuations
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF or XD cards XQD cards
    Single or Dual Card Slots Dual card slots Single card slot
    Connectivity Specs Olympus E-3 Nikon Z7
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 3.1
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Olympus E-3 Nikon Z7
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Olympus BLM-1 Nikon EN-EL15b
    Battery Life (CIPA)750 shots per charge330 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)
    134 x 101 x 67 mm
    (5.3 x 4.0 x 2.6 in)
    Camera Weight 876 g (30.9 oz) 675 g (23.8 oz)
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