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Olympus E-P3 vs Sony A68

The Olympus PEN E-P3 and the Sony Alpha SLT-A68 are two digital cameras that were revealed to the public, respectively, in June 2011 and November 2015. The E-P3 is a mirrorless interchangeable lens camera, while the A68 is a DSLR. The cameras are based on a Four Thirds (E-P3) and an APS-C (A68) sensor. The Olympus has a resolution of 12.2 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-P3
versus
Sony A68
Olympus E-P3   Sony A68
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Sony A mount lenses
12.2 MP – Four Thirds sensor 24 MP – APS-C sensor
1080/60i Video 1080/60i Video
ISO 200-12,800 ISO 100-25,600
Viewfinder optional Electronic viewfinder (1440k dots)
3.0" LCD – 614k dots 2.7" LCD – 460k dots
Fixed touchscreen Tilting screen (no touchscreen)
3 shutter flaps per second 8 shutter flaps per second
In-body stabilizationIn-body stabilization
330 shots per battery charge540 shots per battery charge
122 x 69 x 34 mm, 369 g 143 x 104 x 81 mm, 610 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P3 and the Sony Alpha SLT-A68? 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.

Body comparison

The physical size and weight of the Olympus E-P3 and the Sony A68 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 dimensions are rounded to the nearest millimeter.

The E-P3 can be obtained in three different colors (black, silver, white), while the A68 is only available in black.

Size Olympus E-P3 vs Sony A68
Compare E-P3 versus A68 top
Comparison E-P3 or A68 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A68 is considerably larger (77 percent) than the Olympus E-P3. Moreover, the A68 is substantially heavier (65 percent) than the E-P3. In this context, it is worth noting that neither the E-P3 nor the A68 are weather-sealed.

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-P3 gets 330 shots out of its BLS-5 battery, while the A68 can take 540 images on a single charge of its NP-FM500H power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
2.
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699ebay.com
3.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
4.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
5.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
6.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
7.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
8.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
9.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
10.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
11.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
12.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
13.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 749ebay.com
14.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199ebay.com
15.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599ebay.com
16.
 
Sony A58 129 mm 95 mm 78 mm 492 g 690 n Feb 2013 599ebay.com
17.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 A68 was launched at a somewhat lower price (by 13 percent) than the E-P3, which makes it more attractive for photographers on a tight budget. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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-P3 features a Four Thirds sensor and the Sony A68 an APS-C sensor. The sensor area in the A68 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-P3 has a native 4:3 aspect ratio, while the one in the A68 offers a 3:2 aspect.

Olympus E-P3 and Sony A68 sensor measures

With 24MP, the A68 offers a higher resolution than the E-P3 (12.2MP), but the A68 has smaller individual pixels (pixel pitch of 3.91μm versus 4.29μm for the E-P3). Yet, the A68 is a much more recent model (by 4 years and 4 months) than the E-P3, 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 A68 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A68 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-P3 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-P3 has a native sensitivity range from ISO 200 to ISO 12800. The corresponding ISO settings for the Sony Alpha SLT-A68 are ISO 100 to ISO 25600 (no boost).

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-P3 versus A68 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 A68 offers substantially better image quality than the E-P3 (overall score 28 points higher). The advantage is based on 3.3 bits higher color depth, 3.4 EV in additional dynamic range, and 0.4 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
2.
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
3.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
4.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
5.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
6.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
7.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
8.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
9.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
10.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
11.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
12.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
13.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
14.
 
Sony A77 II APS-C 24.0 6000 40001080/60p23.512.7144277
15.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
16.
 
Sony A58 APS-C 19.8 5456 36321080/60i23.312.575374
17.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/60i).

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A68 has an electronic viewfinder (1440k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-P3 relies on live view and the rear LCD for framing. That said, the E-P3 can be equipped with an optional viewfinder – the VF-3. The following table reports on some other key feature differences and similarities of the Olympus E-P3, the Sony A68, and comparable cameras.

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Core Features
    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-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
2.
 
Sony A681440 Y2.7 / 460 tilting n 1/4000s 8.0/s Y Y
3.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
4.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
5.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
6.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
7.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
8.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
9.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
10.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
11.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
12.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
13.
 
Pentax K-S1optical n3.0 / 921 fixed n 1/6000s 5.4/s Y Y
14.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
15.
 
Sony A60001440 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
16.
 
Sony A581440 n2.7 / 460 tilting n 1/4000s 5.0/s Y Y
17.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-P3 has a touchscreen, while the A68 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The E-P3 writes its imaging data to SDXC cards, while the A68 uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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-P3 and Sony Alpha SLT-A68 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-P3Ystereo / ---mini2.0---
2.
 
Sony A68Ystereo / monoY-micro2.0---
3.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
4.
 
Olympus E-PL5Ystereo / mono--mini2.0---
5.
 
Olympus E-PL2Ystereo / ---mini2.0---
6.
 
Olympus E-PL3Ystereo / ---mini2.0---
7.
 
Olympus E-PM1Ystereo / mono--mini2.0---
8.
 
Olympus E-PL1Ystereo / ---mini2.0---
9.
 
Olympus E-P1Ystereo / ---mini2.0---
10.
 
Olympus E-P2Ystereo / ---mini2.0---
11.
 
Panasonic GX1Ystereo / mono--mini2.0---
12.
 
Panasonic G10Ymono / ---mini2.0---
13.
 
Pentax K-S1Ystereo / mono--micro2.0---
14.
 
Sony A77 IIYstereo / monoY-mini2.0YY-
15.
 
Sony A6000Ystereo / mono--micro2.0YY-
16.
 
Sony A58Ystereo / monoY-mini2.0---
17.
 
Sony A77Ystereo / monoY-mini2.0---

It is notable that the A68 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The E-P3 does not feature such a mic input.

Both the E-P3 and the A68 have been discontinued, but can regularly be found used on ebay. The E-P3 was replaced by the Olympus E-P5, while the A68 does not have a direct successor. Further information on the features and operation of the E-P3 and A68 can be found, respectively, in the Olympus E-P3 Manual (free pdf) or the online Sony A68 Manual.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Olympus E-P3 or the Sony A68 – has the upper hand? Is one clearly better than the other? 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-P3:

  • Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (614k vs 460k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More compact: Is smaller (122x69mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 241g or 40 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More heavily discounted: Has been available for much longer (launched in June 2011).

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Reasons to prefer the Sony Alpha SLT-A68:

  • More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 43%.
  • Better image quality: Scores substantially higher (28 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.4 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (8 vs 3 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (540 versus 330) out of a single battery charge.
  • More affordable: Was released into a lower priced segment (13 percent cheaper at launch).
  • More modern: Reflects 4 years and 4 months of technical progress since the E-P3 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A68 is the clear winner of the contest (13 : 7 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 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-P3 07:13 A68

How about other alternatives? Do the specifications of the Olympus E-P3 and the Sony A68 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the E-P3 or the A68 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 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
2.
 
Sony A683/5......4/54/5 Nov 2015 699ebay.com
3.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
4.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
5.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
6.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
7.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
8.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
9.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
10.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
11.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
12.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
13.
 
Pentax K-S14/5......4.5/54/5 Aug 2014 749ebay.com
14.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 1,199ebay.com
15.
 
Sony A60005/5+4.5/580/1004.5/55/5 Feb 2014 599ebay.com
16.
 
Sony A583/5......4.5/54.5/5 Feb 2013 599ebay.com
17.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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 would like to check on the differences and similarities of other camera models, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-P3 vs Sony A68

    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-P3 Sony A68
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date June 2011 November 2015
    Launch Price USD 799 USD 699
    Sensor Specs Olympus E-P3 Sony A68
    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 12.2 Megapixels 24 Megapixels
    Image Resolution 4032 x 3024 pixels 6000 x 4000 pixels
    Pixel Pitch 4.29 μm 3.91 μm
    Pixel Density 5.42 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60i Video
    ISO Setting 200 - 12,800 ISO 100 - 25,600 ISO
    Image Processor TruePic VI BIONZ X
    DXO Sensor Quality (score) 51 79
    DXO Color Depth (bits) 20.8 24.1
    DXO Dynamic Range (EV) 10.1 13.5
    DXO Low Light (ISO) 536 701
    Screen Specs Olympus E-P3 Sony A68
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.57x
    Viewfinder Resolution 1440k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 2.7inch
    LCD Resolution 614k dots 460k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-P3 Sony A68
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 3 shutter flaps/s 8 shutter flaps/s
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Olympus E-P3 Sony A68
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Olympus E-P3 Sony A68
    Battery Type BLS-5 NP-FM500H
    Battery Life (CIPA)330 shots per charge540 shots per charge
    Body Dimensions 122 x 69 x 34 mm
    (4.8 x 2.7 x 1.3 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 369 g (13.0 oz) 610 g (21.5 oz)
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