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Olympus PEN-F vs Sony A77 II

The Olympus PEN-F and the Sony Alpha SLT-A77 II are two enthusiast cameras that were announced, respectively, in January 2016 and May 2014. The PEN-F is a mirrorless interchangeable lens camera, while the A77 II is a DSLR. The cameras are based on a Four Thirds (PEN-F) and an APS-C (A77 II) sensor. The Olympus has a resolution of 20.2 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 PEN-F   Sony A77 II
Olympus PEN-F Sony A77 II
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Sony A mount lenses
20.2 MP, Four Thirds Sensor 24 MP, APS-C Sensor
1080/60p Video 1080/60p Video
ISO 80-25600 ISO 100-25600 (50-51200)
Electronic viewfinder (2360k dots) Electronic viewfinder (2359k dots)
3.0" LCD, 1037k dots 3.0" LCD, 1229k dots
Swivel touchscreen Fully flexible screen (no touchscreen)
10 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Not weather sealedWeathersealed body
330 shots per battery charge480 shots per battery charge
125 x 72 x 37 mm, 427 g 143 x 104 x 81 mm, 647 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN-F 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.

Body comparison: Olympus PEN-F vs Sony A77 II

An illustration of the physical size and weight of the Olympus PEN-F 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.

The PEN-F can be obtained in two different colors (black, silver), while the A77 II is only available in black.

Size Olympus PEN-F vs Sony A77 II
Compare PEN-F versus A77 II top
Comparison PEN-F 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 considerably larger (65 percent) than the Olympus PEN-F. Moreover, the A77 II is substantially heavier (52 percent) than the PEN-F. It is noteworthy in this context that the A77 II is splash and dust-proof, while the PEN-F 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. 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 PEN-F gets 330 shots out of its BLN-1 battery, while the A77 II can take 480 images on a single charge of its NP-FM500H power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Olympus PEN-F» 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199 i i Olympus PEN-F
 
Sony A77 II« 5.6 in 4.1 in 3.2 in 22.8 oz 480 Y May 2014 1,199 i i Sony A77 II
 
Nikon D7100« » 5.4 in 4.2 in 3.0 in 27.0 oz 950 Y Feb 2013 1,199- i Nikon D7100
 
Olympus E-M10 III« » 4.8 in 3.3 in 2.0 in 14.5 oz 330 n Aug 2017 649 i i Olympus E-M10 III
 
Olympus E-PL8« » 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Sep 2016 549- i Olympus E-PL8
 
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-M10 II« » 4.7 in 3.3 in 1.9 in 13.8 oz 320 n Aug 2015 649- i Olympus E-M10 II
 
Olympus E-PL7« » 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Aug 2014 599- i Olympus E-PL7
 
Olympus E-M1« » 5.1 in 3.7 in 2.5 in 17.5 oz 350 Y Sep 2013 1,399- i Olympus E-M1
 
Olympus E-P5« » 4.8 in 2.7 in 1.5 in 14.8 oz 330 n May 2013 999- i Olympus E-P5
 
Olympus E-M5« » 4.8 in 3.5 in 1.7 in 15.0 oz 360 Y Feb 2012 1,299- i Olympus E-M5
 
Panasonic GX8« » 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199- i Panasonic GX8
 
Panasonic GX7« » 4.8 in 2.8 in 2.2 in 14.2 oz 350 n Aug 2013 999- i Panasonic GX7
 
Pentax K-3« » 5.2 in 3.9 in 3.0 in 28.2 oz 560 Y Oct 2013 1,299- i Pentax K-3
 
Sony A6500« » 4.7 in 2.6 in 2.1 in 16.0 oz 350 Y Oct 2016 1,399 i i Sony A6500
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
 
Sony A77« » 5.6 in 4.1 in 3.2 in 25.8 oz 470 Y Aug 2011 1,399- i Sony A77
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 two cameras under review were launched at the same price and fall into the same 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: Olympus PEN-F vs Sony A77 II

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus PEN-F 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 PEN-F has a native 4:3 aspect ratio, while the one in the A77 II offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Olympus PEN-F and Sony A77 II sensor measures

With 24MP, the A77 II offers a higher resolution than the PEN-F (20.2MP), but the A77 II nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.34μm for the PEN-F) due to its larger sensor. However, the PEN-F is a somewhat more recent model (by 1 year and 8 months) than the A77 II, and its sensor might 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 PEN-F has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

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 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Olympus PEN-F are 25.9 x 19.4 inch or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inch or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inch or 43.9 x 32.9 cm for excellent quality prints.

Unlike the A77 II, the PEN-F has the capacity to capture high quality composite images (40MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus PEN-F has a native sensitivity range from ISO 80 to ISO 25600. 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.

PEN-F versus A77 II MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Olympus PEN-F» Four Thirds 20.2 5184 38881080/60p23.112.489474Olympus PEN-F
 
Sony A77 II« APS-C 24.0 6000 40001080/60p----Sony A77 II
 
Nikon D7100« » APS-C 24.0 6000 40001080/60p24.213.7125683Nikon D7100
 
Olympus E-M10 III« » Four Thirds 15.9 4608 34564K/30p----Olympus E-M10 III
 
Olympus E-PL8« » Four Thirds 15.9 4608 34561080/30p----Olympus E-PL8
 
Olympus E-M5 II« » Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Olympus E-M10 II« » Four Thirds 15.9 4608 34561080/60p23.112.584273Olympus E-M10 II
 
Olympus E-PL7« » Four Thirds 15.9 4608 34561080/30p22.712.487372Olympus E-PL7
 
Olympus E-M1« » Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Olympus E-P5« » Four Thirds 15.9 4608 34561080/30p22.812.489572Olympus E-P5
 
Olympus E-M5« » Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5
 
Panasonic GX8« » Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Panasonic GX7« » Four Thirds 15.8 4592 34481080/60p22.612.271870Panasonic GX7
 
Pentax K-3« » APS-C 24.1 6016 40001080/60i23.713.4121680Pentax K-3
 
Sony A6500« » APS-C 24.0 6000 40004K/30p24.513.7140585Sony A6500
 
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A77« » APS-C 24.0 6000 40001080/60p24.013.280178Sony A77

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Olympus PEN-F vs Sony A77 II

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the PEN-F offers a slightly higher resolution than the one in the A77 II (2360k vs 2359k dots). The following table reports on some other key feature differences and similarities of the Olympus PEN-F, the Sony A77 II, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Olympus PEN-F»2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus PEN-F
 
Sony A77 II«2359 Y 3.0 1229 full-flex n 1/8000s 12.0 Y Y Sony A77 II
 
Nikon D7100« »optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7100
 
Olympus E-M10 III« »2360 n 3.0 1040 tilting Y 1/4000s 8.6 Y Y Olympus E-M10 III
 
Olympus E-PL8« »- n 3.0 1037 tilting Y 1/4000s 8.0 n Y Olympus E-PL8
 
Olympus E-M5 II« »2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Olympus E-M10 II« »2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y Olympus E-M10 II
 
Olympus E-PL7« »- n 3.0 1037 tilting Y 1/4000s 8.0 n Y Olympus E-PL7
 
Olympus E-M1« »2360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Olympus E-P5« »- n 3.0 1037 tilting Y 1/8000s 9.0 Y Y Olympus E-P5
 
Olympus E-M5« »1440 n 3.0 610 tilting Y 1/4000s 9.0 n Y Olympus E-M5
 
Panasonic GX8« »2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8
 
Panasonic GX7« »2760 n 3.0 1040 tilting Y 1/8000s 5.0 Y Y Panasonic GX7
 
Pentax K-3« »optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y Pentax K-3
 
Sony A6500« »2359 n 3.0 922 tilting Y 1/4000s 11.0 Y Y Sony A6500
 
Sony A7 II« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A77« »2359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The PEN-F has a touchscreen, while the A77 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 PEN-F 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 PEN-F 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 PEN-F writes its imaging data to SDXC cards, while the A77 II uses SDXC or Memory Stick PRO Duo cards. The PEN-F supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the A77 II can use UHS-I cards (up to 104 MB/s).

 

Connectivity comparison: Olympus PEN-F vs Sony A77 II

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-F and Sony Alpha SLT-A77 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Olympus PEN-F»Ystereomono--micro2.0Y--Olympus PEN-F
 
Sony A77 II«YstereomonoY-mini2.0YY-Sony A77 II
 
Nikon D7100« »YstereomonoYYmini2.0---Nikon D7100
 
Olympus E-M10 III« »Ystereomono--micro2.0Y--Olympus E-M10 III
 
Olympus E-PL8« »Ystereomono--micro2.0Y--Olympus E-PL8
 
Olympus E-M5 II« »YstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-M10 II« »Ystereomono--micro2.0Y--Olympus E-M10 II
 
Olympus E-PL7« »Ystereomono--micro2.0Y--Olympus E-PL7
 
Olympus E-M1« »YstereomonoY-micro2.0Y--Olympus E-M1
 
Olympus E-P5« »Ystereomono--micro2.0Y--Olympus E-P5
 
Olympus E-M5« »Ystereomono--mini2.0---Olympus E-M5
 
Panasonic GX8« »YstereomonoY-micro2.0YY-Panasonic GX8
 
Panasonic GX7« »Ystereomono--mini2.0YY-Panasonic GX7
 
Pentax K-3« »YmonomonoYYmini3.0---Pentax K-3
 
Sony A6500« »YstereomonoY-micro2.0YY-Sony A6500
 
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A77« »YstereomonoY-mini2.0---Sony A77

It is notable that the A77 II has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The PEN-F does not feature such a mic input.

Studio photographers will appreciate that the Sony A77 II (unlike the PEN-F) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the PEN-F and the A77 II are recent models that are part of the current product line-up. The A77 II replaced the earlier Sony A77, while the PEN-F does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Sony websites.


Review summary: Olympus PEN-F vs Sony A77 II

So how do things add up? Which of the two cameras – the Olympus PEN-F or the Sony A77 II – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Olympus PEN-F:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • 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 (125x72mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 220g or 34 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Is somewhat more recent (announced 1 year and 8 months after the A77 II).

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Reasons to prefer the Sony Alpha SLT-A77 II:

  • More detail: Has more megapixels (24 vs 20.2MP), which boosts linear resolution by 11%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x vs 0.62x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1037k dots).
  • Faster burst: Shoots at higher frequency (12 vs 10 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (480 versus 330) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been on the market for longer (launched in May 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the A77 II is the clear winner of the contest (17 : 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 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.

PEN-F 10:17 A77 II

How about other alternatives? Do the specifications of the Olympus PEN-F and the Sony A77 II 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the PEN-F or the A77 II. 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: Olympus PEN-F vs Sony A77 II

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Olympus PEN-F»-82/1004.5/54.5/55/5 Jan 2016 1,199 i i Olympus PEN-F
 
Sony A77 II«-80/1004.5/54/55/5 May 2014 1,199 i i Sony A77 II
 
Nikon D7100« »+ +85/1004.5/55/54.5/5 Feb 2013 1,199- i Nikon D7100
 
Olympus E-M10 III« »+80/1004.5/54/54.5/5 Aug 2017 649 i i Olympus E-M10 III
 
Olympus E-PL8« »--4.5/5-4/5 Sep 2016 549- i Olympus E-PL8
 
Olympus E-M5 II« »+ +81/1005/54.5/55/5 Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-M10 II« »+ +80/1005/55/55/5 Aug 2015 649- i Olympus E-M10 II
 
Olympus E-PL7« »+-5/54.5/54/5 Aug 2014 599- i Olympus E-PL7
 
Olympus E-M1« »+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399- i Olympus E-M1
 
Olympus E-P5« »+ +78/1004.5/54.5/55/5 May 2013 999- i Olympus E-P5
 
Olympus E-M5« »+ +80/1004.5/55/55/5 Feb 2012 1,299- i Olympus E-M5
 
Panasonic GX8« »+82/1004.5/55/54.5/5 Jul 2015 1,199- i Panasonic GX8
 
Panasonic GX7« »+79/1005/54.5/55/5 Aug 2013 999- i Panasonic GX7
 
Pentax K-3« »-83/1005/54.5/55/5 Oct 2013 1,299- i Pentax K-3
 
Sony A6500« »+ +85/1004.5/55/54.5/5 Oct 2016 1,399 i i Sony A6500
 
Sony A7 II« »+82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
 
Sony A77« »91/10081/100-4.5/55/5 Aug 2011 1,399- i Sony A77
Notes: (+ +) 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.

Olympus PEN-F:
Check Amazon price
Sony A77 II:
Check Amazon price

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 your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Olympus PEN-F 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 PEN-F Sony A77 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date January 2016 May 2014
    Launch Price USD 1199 USD 1199
    Sensor Specs Olympus PEN-F 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 20.2 Megapixels 24 Megapixels
    Image Resolution 5184 x 3888 pixels 6000 x 4000 pixels
    Pixel Pitch 3.34 μm 3.91 μm
    Pixel Density 8.96 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 80-25600 ISO 100-25600 ISO
    ISO Boost no Enhancement 50-51200 ISO
    Image Processor TruePic VII BIONZ X
    DXO Sensor Quality (score) 74 ..
    DXO Color Depth (bits) 23.1 ..
    DXO Dynamic Range (EV) 12.4 ..
    DXO Low Light (ISO) 894 ..
    Screen Specs Olympus PEN-F Sony A77 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 0.73x
    Viewfinder Resolution 2360k dots 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1037k dots 1229k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus PEN-F Sony A77 II
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 10 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-II UHS-I
    Connectivity Specs Olympus PEN-F Sony A77 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Olympus PEN-F Sony A77 II
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type BLN-1 power pack NP-FM500H power pack
    Battery Life (CIPA)330 shots per charge480 shots per charge
    Body Dimensions 125 x 72 x 37 mm
    (4.9 x 2.8 x 1.5 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 427 g (15.1 oz) 647 g (22.8 oz)

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