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Olympus E-3 vs Sony A77 II

The Olympus E-3 and the Sony Alpha SLT-A77 II are two digital cameras that were officially introduced, respectively, in October 2007 and May 2014. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a Four Thirds (E-3) and an APS-C (A77 II) sensor. The Olympus has a resolution of 10 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Olympus E-3
versus
Sony A77 II
Olympus E-3   Sony A77 II
Digital single lens reflex Digital single lens reflex
Four Thirds lenses Sony A mount lenses
10 MP – Four Thirds sensor 24 MP – APS-C sensor
no Video 1080/60p Video
ISO 100-3,200 ISO 100-25,600 (50 - 51,200)
Optical viewfinder Electronic viewfinder (2359k dots)
2.5" LCD – 230k dots 3.0" LCD – 1229k dots
Swivel screen (not touch-sensitive) Fully flexible screen (no touchscreen)
5 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
750 shots per battery charge480 shots per battery charge
142 x 116 x 75 mm, 876 g 143 x 104 x 81 mm, 647 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 Sony Alpha SLT-A77 II? 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-3 and the Sony A77 II is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Olympus E-3 vs Sony A77 II
Compare E-3 versus A77 II top
Comparison E-3 or A77 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 II is notably smaller (10 percent) than the Olympus E-3. Moreover, the A77 II is markedly lighter (26 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 A77 II can take 480 images on a single charge of its Sony NP-FM500H power pack.

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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-3 142 mm 116 mm 75 mm 876 g 750 Y Oct 2007 US$ 1 699ebay.com
2.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 US$ 1 199ebay.com
3.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 US$ 1 799ebay.com
4.
 
Nikon D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 US$ 1 199ebay.com
5.
 
Olympus E-1 141 mm 104 mm 81 mm 738 g 750 Y Jun 2003 US$ 1 699ebay.com
6.
 
Olympus E-5 142 mm 117 mm 75 mm 873 g 750 Y Sep 2010 US$ 1 699ebay.com
7.
 
Olympus E-30 142 mm 108 mm 75 mm 701 g 750 n Nov 2008 US$ 1 299ebay.com
8.
 
Olympus E-410 130 mm 91 mm 53 mm 435 g 500 n Mar 2007 US$ 699ebay.com
9.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 US$ 599ebay.com
10.
 
Olympus E-510 136 mm 92 mm 68 mm 538 g 750 n Mar 2007 US$ 799ebay.com
11.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 US$ 699ebay.com
12.
 
Olympus E-600 130 mm 94 mm 60 mm 535 g 500 n Aug 2009 US$ 449ebay.com
13.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 US$ 699ebay.com
14.
 
Sony A58 129 mm 95 mm 78 mm 492 g 690 n Feb 2013 US$ 599ebay.com
15.
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 US$ 699ebay.com
16.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 US$ 1 399ebay.com
17.
 
Sony A6600 120 mm 67 mm 69 mm 503 g 810 Y Aug 2019 US$ 1 399 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 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. The A77 II was launched at a markedly lower price (by 29 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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-3 features a Four Thirds sensor and the Sony A77 II an APS-C sensor. The sensor area in the A77 II is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the E-3 has a native 4:3 aspect ratio, while the one in the A77 II offers a 3:2 aspect.

Olympus E-3 and Sony A77 II sensor measures

With 24MP, the A77 II offers a higher resolution than the E-3 (10MP), but the A77 II has smaller individual pixels (pixel pitch of 3.91μm versus 4.74μm for the E-3). Yet, the A77 II is a much more recent model (by 6 years and 6 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.

The resolution advantage of the Sony A77 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A77 II for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-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 Sony Alpha SLT-A77 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

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 A77 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 A77 II offers substantially better image quality than the E-3 (overall score 26 points higher). The advantage is based on 2.8 bits higher color depth, 2.9 EV in additional dynamic range, and 0.8 stops in additional low light sensitivity. 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
  empty 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.
 
Sony A77 II APS-C 24.0 6000 40001080/60p24.413.4101382
3.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
4.
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
5.
 
Olympus E-1 Four Thirds 4.9 2560 1920none20.09.7-14544
6.
 
Olympus E-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
7.
 
Olympus E-30 Four Thirds 12.2 4032 3024none21.310.453055
8.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
9.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
10.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
11.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
12.
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
13.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
14.
 
Sony A58 APS-C 19.8 5456 36321080/60i23.312.575374
15.
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
16.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
17.
 
Sony A6600 APS-C 24.0 6000 40004K/30p23.813.4149782
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 can also record movies. The A77 II indeed provides for movie recording, while the E-3 does not. The highest resolution format that the A77 II can use is 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A77 II has an electronic viewfinder (2359k 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 A77 II has a higher magnification than the one of the E-3 (0.73x 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 Sony A77 II 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-3optical Y2.5 / 230 swivel n 1/8000s 5.0/s Y Y
2.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
3.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
4.
 
Nikon D7100optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
5.
 
Olympus E-1optical Y1.8 / 134 fixed n 1/4000s 3.0/s n n
6.
 
Olympus E-5optical Y3.0 / 920 swivel n 1/8000s 5.0/s Y Y
7.
 
Olympus E-30optical Y2.7 / 230 swivel n 1/8000s 5.0/s Y Y
8.
 
Olympus E-410optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
9.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
10.
 
Olympus E-510optical n2.5 / 215 fixed n 1/4000s 3.0/s Y Y
11.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
12.
 
Olympus E-600optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
13.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
14.
 
Sony A581440 n2.7 / 460 tilting n 1/4000s 5.0/s Y Y
15.
 
Sony A681440 Y2.7 / 460 tilting n 1/4000s 8.0/s Y Y
16.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
17.
 
Sony A66002359 n3.0 / 922 tilting Y 1/4000s 11.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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 E-3 writes its imaging data to Compact Flash or xD Picture cards, while the A77 II uses SDXC or Memory Stick PRO Duo cards. The E-3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A77 II 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 Sony Alpha SLT-A77 II 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-3Y- / ----2.0---
2.
 
Sony A77 IIYstereo / monoY-mini2.0YY-
3.
 
Nikon D300Y- / ---mini2.0---
4.
 
Nikon D7100Ystereo / monoYYmini2.0---
5.
 
Olympus E-1Y- / ----2.0---
6.
 
Olympus E-5Ystereo / ---mini2.0---
7.
 
Olympus E-30Y- / ----2.0---
8.
 
Olympus E-410Y- / ----2.0---
9.
 
Olympus E-420Y- / ----2.0---
10.
 
Olympus E-510Y- / ----2.0---
11.
 
Olympus E-520Y- / ----2.0---
12.
 
Olympus E-600Y- / ----2.0---
13.
 
Olympus E-620Y- / ----2.0---
14.
 
Sony A58Ystereo / monoY-mini2.0---
15.
 
Sony A68Ystereo / monoY-micro2.0---
16.
 
Sony A77Ystereo / monoY-mini2.0---
17.
 
Sony A6600Ystereo / monoYYYES2.0YYY

It is notable that the A77 II 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.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the E-3 and the A77 II have been discontinued, but can regularly be found used on ebay. The E-3 was replaced by the Olympus E-5, while the A77 II does not have a direct successor. Further information on the features and operation of the E-3 and A77 II can be found, respectively, in the Olympus E-3 Manual (free pdf) or the online Sony A77 II Manual.

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Review summary

So what conclusions can be drawn? Is the Olympus E-3 better than the Sony A77 II or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Olympus E-3:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (750 versus 480) on a single battery charge.
  • 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).

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Reasons to prefer the Sony Alpha SLT-A77 II:

  • More detail: Has more megapixels (24 vs 10MP), which boosts linear resolution by 58%.
  • Better image quality: Scores substantially higher (26 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.8 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.9 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.8 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x 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 (1229k vs 230k dots).
  • Faster burst: Shoots at higher frequency (12 vs 5 flaps/sec) to capture the decisive moment.
  • Less heavy: Has a lower weight (by 229g or 26 percent) and is thus easier to take along.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (29 percent cheaper at launch).
  • More modern: Reflects 6 years and 6 months of technical progress since the E-3 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A77 II is the clear winner of the contest (16 : 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-3 04:16 A77 II

How about other alternatives? Do the specifications of the Olympus E-3 and the Sony A77 II place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the E-3 or the A77 II perform in practice. 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 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-3..88/100..+ +o4/5 Oct 2007 US$ 1 699ebay.com
2.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 US$ 1 199ebay.com
3.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 US$ 1 799ebay.com
4.
 
Nikon D71005/5+ +..85/1004.5/54.5/5 Feb 2013 US$ 1 199ebay.com
5.
 
Olympus E-1......+o.. Jun 2003 US$ 1 699ebay.com
6.
 
Olympus E-54/5....75/1004/54.5/5 Sep 2010 US$ 1 699ebay.com
7.
 
Olympus E-30......71/1004.5/54/5 Nov 2008 US$ 1 299ebay.com
8.
 
Olympus E-410..86/100..+ +4/54.5/5 Mar 2007 US$ 699ebay.com
9.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 US$ 599ebay.com
10.
 
Olympus E-510..89/100..+ +3.5/54.5/5 Mar 2007 US$ 799ebay.com
11.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 US$ 699ebay.com
12.
 
Olympus E-600..........4.5/5 Aug 2009 US$ 449ebay.com
13.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 US$ 699ebay.com
14.
 
Sony A583/5......4.5/54.5/5 Feb 2013 US$ 599ebay.com
15.
 
Sony A683/5......4/54/5 Nov 2015 US$ 699ebay.com
16.
 
Sony A775/591/100..81/100..5/5 Aug 2011 US$ 1 399ebay.com
17.
 
Sony A66004/5+4/583/1004.5/54/5 Aug 2019 US$ 1 399 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. 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? 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-3 vs Sony A77 II

    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 Sony A77 II
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Four Thirds lenses Sony A mount lenses
    Launch Date October 2007 May 2014
    Launch Price USD 1,699 USD 1,199
    Sensor Specs Olympus E-3 Sony A77 II
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 10 Megapixels 24 Megapixels
    Image Resolution 3648 x 2736 pixels 6000 x 4000 pixels
    Pixel Pitch 4.74 μm 3.91 μm
    Pixel Density 4.44 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 3,200 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 51,200 ISO
    Image Processor TruePic III BIONZ X
    DXO Sensor Quality (score) 56 82
    DXO Color Depth (bits) 21.6 24.4
    DXO Dynamic Range (EV) 10.5 13.4
    DXO Low Light (ISO) 571 1013
    Screen Specs Olympus E-3 Sony A77 II
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.58x 0.73x
    Viewfinder Resolution 2359k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 1229k dots
    LCD Attachment Swivel screen Fully flexible screen
    Shooting Specs Olympus E-3 Sony A77 II
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy150 000 actuations150 000 actuations
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF or XD cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    Connectivity Specs Olympus E-3 Sony A77 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Olympus E-3 Sony A77 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Olympus BLM-1 Sony NP-FM500H
    Battery Life (CIPA)750 shots per charge480 shots per charge
    Body Dimensions 142 x 116 x 75 mm
    (5.6 x 4.6 x 3.0 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 876 g (30.9 oz) 647 g (22.8 oz)
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