Olympus E-PL9 vs Sony A7S II
The Olympus PEN E-PL9 and the Sony Alpha 7S II are two digital cameras that were revealed to the public, respectively, in February 2018 and September 2015. Both the E-PL9 and the A7S II are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-PL9) and a full frame (A7S II) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Sony provides 12 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Olympus E-PL9||Sony A7S II|
|Mirrorless system camera||Mirrorless system camera|
|Micro Four Thirds lenses||Sony E mount lenses|
|15.9 MP, Four Thirds Sensor||12 MP, Full Frame Sensor|
|4K/30p Video||4K/30p Video|
|ISO 200-6400 (100-25600)||ISO 100-102400 (50-409600)|
|No viewfinder, LCD framing||Electronic viewfinder (2400k dots)|
|3.0" LCD, 1040k dots||3.0" LCD, 1229k dots|
|Tilting touchscreen||Tilting screen (not touch-sensitive)|
|8.6 shutter flaps per second||5 shutter flaps per second|
|In-body stabilization||In-body stabilization|
|Not weather sealed||Weathersealed body|
|350 shots per battery charge||370 shots per battery charge|
|117 x 68 x 39 mm, 380 g||127 x 96 x 60 mm, 627 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-PL9 and the Sony Alpha 7S 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 E-PL9 vs Sony A7S II
The physical size and weight of the Olympus E-PL9 and the Sony A7S II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.
The E-PL9 can be obtained in four different colors (black, brown, blue, white), while the A7S II is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S II is considerably larger (53 percent) than the Olympus E-PL9. Moreover, the A7S II is substantially heavier (65 percent) than the E-PL9. It is noteworthy in this context that the A7S II is splash and dust-proof, while the E-PL9 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (E-PL9) and the Sony FE Lens Catalog (A7S II). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.
Concerning battery life, the E-PL9 gets 350 shots out of its BLS-50 battery, while the A7S II can take 370 images on a single charge of its NP-FW50 power pack. The power pack in the A7S II can be charged via the USB port, which can be very convenient when travelling.
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.
|Olympus E-PL9»||4.6 in||2.7 in||1.5 in||13.4 oz||350||n||Feb 2018||549||Olympus E-PL9|
|Sony A7S II«||5.0 in||3.8 in||2.4 in||22.1 oz||370||Y||Sep 2015||2,999||Sony A7S II|
|Olympus E-M10 III« »||4.8 in||3.3 in||2.0 in||14.5 oz||330||n||Aug 2017||649||Olympus E-M10 III|
|Olympus E-PL8« »||4.5 in||2.6 in||1.5 in||12.6 oz||350||n||Sep 2016||549||-||Olympus E-PL8|
|Olympus E-M10 II« »||4.7 in||3.3 in||1.9 in||13.8 oz||320||n||Aug 2015||649||-||Olympus E-M10 II|
|Olympus E-PL7« »||4.5 in||2.6 in||1.5 in||12.6 oz||350||n||Aug 2014||599||-||Olympus E-PL7|
|Olympus E-PL6« »||4.4 in||2.5 in||1.5 in||11.5 oz||360||n||May 2013||599||-||Olympus E-PL6|
|Olympus E-PL5« »||4.4 in||2.5 in||1.5 in||11.5 oz||360||n||Sep 2012||599||-||Olympus E-PL5|
|Olympus E-PM2« »||4.3 in||2.5 in||1.3 in||9.5 oz||360||n||Sep 2012||499||-||Olympus E-PM2|
|Olympus E-PL2« »||4.5 in||2.8 in||1.7 in||12.8 oz||280||n||Jan 2011||599||-||Olympus E-PL2|
|Olympus E-PL3« »||4.3 in||2.5 in||1.5 in||11.0 oz||300||n||Jun 2011||599||-||Olympus E-PL3|
|Olympus E-PL1« »||4.5 in||2.8 in||1.7 in||11.8 oz||290||n||Feb 2010||599||-||Olympus E-PL1|
|Sony A7R III« »||5.0 in||3.8 in||2.9 in||22.9 oz||650||Y||Oct 2017||3,199||Sony A7R III|
|Sony A9« »||5.0 in||3.8 in||2.5 in||23.7 oz||650||Y||Apr 2017||4,499||Sony A9|
|Sony A7R II« »||5.0 in||3.8 in||2.4 in||22.0 oz||290||Y||Jun 2015||3,199||-||Sony A7R II|
|Sony A7 II« »||5.0 in||3.8 in||2.4 in||21.1 oz||350||Y||Nov 2014||1,999||-||Sony A7 II|
|Sony A7S« »||5.0 in||3.7 in||1.9 in||17.2 oz||380||Y||Apr 2014||2,499||-||Sony A7S|
|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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-PL9 was launched at a markedly lower price (by 82 percent) than the A7S II, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
Sensor comparison: Olympus E-PL9 vs Sony A7S II
The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the 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-PL9 features a Four Thirds sensor and the Sony A7S II a full frame sensor. The sensor area in the A7S II is 276 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-PL9 has a native 4:3 aspect ratio, while the one in the A7S II offers a 3:2 aspect.
Despite having a smaller sensor, the Olympus E-PL9 offers a higher resolution of 15.9 megapixels, compared with 12 MP of the Sony A7S II. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 8.40μm for the A7S II). However, it should be noted that the E-PL9 is much more recent (by 2 years and 4 months) than the A7S II, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.
The resolution advantage of the Olympus E-PL9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-PL9 for good quality output (200 dots per inch) amounts to 23 x 17.3 inch or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inch or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inch or 39 x 29.3 cm. The corresponding values for the Sony A7S II are 21.2 x 14.2 inch or 53.8 x 36 cm for good quality, 17 x 11.3 inch or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inch or 35.9 x 24 cm for excellent quality prints.
The Olympus PEN E-PL9 has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha 7S II are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.
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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Olympus E-PL9»||Four Thirds||15.9||4608||3456||4K/30p||-||-||-||-||Olympus E-PL9|
|Sony A7S II«||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85||Sony A7S II|
|Olympus E-M10 III« »||Four Thirds||15.9||4608||3456||4K/30p||-||-||-||-||Olympus E-M10 III|
|Olympus E-PL8« »||Four Thirds||15.9||4608||3456||1080/30p||-||-||-||-||Olympus E-PL8|
|Olympus E-M10 II« »||Four Thirds||15.9||4608||3456||1080/60p||23.1||12.5||842||73||Olympus E-M10 II|
|Olympus E-PL7« »||Four Thirds||15.9||4608||3456||1080/30p||22.7||12.4||873||72||Olympus E-PL7|
|Olympus E-PL6« »||Four Thirds||15.9||4608||3456||1080/30p||-||-||-||-||Olympus E-PL6|
|Olympus E-PL5« »||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.3||889||72||Olympus E-PL5|
|Olympus E-PM2« »||Four Thirds||15.9||4608||3456||1080/30p||22.7||12.2||932||72||Olympus E-PM2|
|Olympus E-PL2« »||Four Thirds||12.2||4032||3024||720/30p||21.4||10.2||573||55||Olympus E-PL2|
|Olympus E-PL3« »||Four Thirds||12.2||4032||3024||1080/60i||20.9||10.3||499||52||Olympus E-PL3|
|Olympus E-PL1« »||Four Thirds||12.2||4032||3024||720/30p||21.5||10.1||487||54||Olympus E-PL1|
|Sony A7R III« »||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100||Sony A7R III|
|Sony A9« »||Full Frame||24.0||6000||4000||4K/30p||24.9||13.3||3517||92||Sony A9|
|Sony A7R II« »||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98||Sony A7R II|
|Sony A7 II« »||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90||Sony A7 II|
|Sony A7S« »||Full Frame||12.0||4240||2832||1080/60p||23.9||13.2||3702||87||Sony A7S|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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 (4K/30p).
Feature comparison: Olympus E-PL9 vs Sony A7S II
Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7S II has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-PL9 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Olympus E-PL9, the Sony A7S II, and comparable cameras.
|Olympus E-PL9»||-||n||3.0||1040||tilting||Y||1/4000s||8.6||Y||Y||Olympus E-PL9|
|Sony A7S II«||2400||n||3.0||1229||tilting||n||1/8000s||5.0||n||Y||Sony A7S II|
|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-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-PL6« »||-||n||3.0||460||tilting||Y||1/4000s||8.0||n||Y||Olympus E-PL6|
|Olympus E-PL5« »||-||n||3.0||460||tilting||Y||1/4000s||8.0||n||Y||Olympus E-PL5|
|Olympus E-PM2« »||-||n||3.0||460||fixed||Y||1/4000s||8.0||n||Y||Olympus E-PM2|
|Olympus E-PL2« »||-||n||3.0||460||fixed||n||1/4000s||3.0||Y||Y||Olympus E-PL2|
|Olympus E-PL3« »||-||n||3.0||460||tilting||n||1/4000s||5.5||n||Y||Olympus E-PL3|
|Olympus E-PL1« »||-||n||2.7||230||fixed||n||1/2000s||3.0||Y||Y||Olympus E-PL1|
|Sony A7R III« »||3686||n||3.0||1440||tilting||Y||1/8000s||10.0||n||Y||Sony A7R III|
|Sony A9« »||3686||n||3.0||1440||tilting||Y||1/8000s||20.0||n||Y||Sony A9|
|Sony A7R II« »||2400||n||3.0||1229||tilting||n||1/8000s||5.0||n||Y||Sony A7R II|
|Sony A7 II« »||2400||n||3.0||1230||tilting||n||1/8000s||5.0||n||Y||Sony A7 II|
|Sony A7S« »||2400||n||3.0||921||tilting||n||1/8000s||5.0||n||n||Sony A7S|
One difference between the cameras concerns the presence of an on-board flash. The E-PL9 has one, while the A7S II does not. While the built-in flash of the E-PL9 is not very powerful, it can at times be useful as a fill-in light.The E-PL9 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 A7S II 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, both cameras under consideration feature an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Olympus E-PL9 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-PL9 writes its imaging data to SDXC cards, while the A7S II 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: Olympus E-PL9 vs Sony A7S 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 E-PL9 and Sony Alpha 7S II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Olympus E-PL9»||Y||stereo||mono||-||-||micro||2.0||Y||-||Y||Olympus E-PL9|
|Sony A7S II«||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7S II|
|Olympus E-M10 III« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-M10 III|
|Olympus E-PL8« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-PL8|
|Olympus E-M10 II« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-M10 II|
|Olympus E-PL7« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus E-PL7|
|Olympus E-PL6« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Olympus E-PL6|
|Olympus E-PL5« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Olympus E-PL5|
|Olympus E-PM2« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Olympus E-PM2|
|Olympus E-PL2« »||Y||stereo||-||-||-||mini||2.0||-||-||-||Olympus E-PL2|
|Olympus E-PL3« »||Y||stereo||-||-||-||mini||2.0||-||-||-||Olympus E-PL3|
|Olympus E-PL1« »||Y||stereo||-||-||-||mini||2.0||-||-||-||Olympus E-PL1|
|Sony A7R III« »||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A7R III|
|Sony A9« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||Y||Sony A9|
|Sony A7R II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7R II|
|Sony A7 II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7 II|
|Sony A7S« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7S|
It is notable that the A7S II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The E-PL9 lacks such a headphone port.
Both the E-PL9 and the A7S II are recent models that are part of the current product line-up. The A7S II replaced the earlier Sony A7S, while the E-PL9 followed on from the Olympus E-PL8. 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 E-PL9 vs Sony A7S II
So how do things add up? Which of the two cameras – the Olympus E-PL9 or the Sony A7S 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.
Arguments in favor of the Olympus PEN E-PL9:
- More detail: Offers more megapixels (15.9 vs 12MP) with a 13% higher linear resolution.
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (8.6 vs 5 flaps/sec) to capture the decisive moment.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More compact: Is smaller (117x68mm vs 127x96mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 247g or 39 percent) and hence easier to carry around.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- More affordable: Was introduced into a lower priced category (82 percent cheaper at launch).
- More modern: Reflects 2 years and 4 months of technical progress since the A7S II launch.
Reasons to prefer the Sony Alpha 7S II:
- 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.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- Easier framing: Has an electronic viewfinder for image framing and settings control.
- More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More heavily discounted: Has been around for much longer (launched in September 2015).
If the count of individual advantages (bullet points above) is taken as a guide, the A7S II comes out slightly ahead of the E-PL9 (12 : 11 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.
How about other alternatives? Do the specifications of the Olympus E-PL9 and the Sony A7S II place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 E-PL9 or the A7S II. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
Expert reviews: Olympus E-PL9 vs Sony A7S 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.
|Olympus E-PL9»||+||-||4.5/5||-||4/5||Feb 2018||549||Olympus E-PL9|
|Sony A7S II«||+||-||4.5/5||5/5||5/5||Sep 2015||2,999||Sony A7S II|
|Olympus E-M10 III« »||+||80/100||4.5/5||4/5||4.5/5||Aug 2017||649||Olympus E-M10 III|
|Olympus E-PL8« »||-||-||4.5/5||-||4/5||Sep 2016||549||-||Olympus E-PL8|
|Olympus E-M10 II« »||+ +||80/100||5/5||5/5||5/5||Aug 2015||649||-||Olympus E-M10 II|
|Olympus E-PL7« »||+||-||5/5||4.5/5||4/5||Aug 2014||599||-||Olympus E-PL7|
|Olympus E-PL6« »||-||-||-||-||-||May 2013||599||-||Olympus E-PL6|
|Olympus E-PL5« »||+ +||-||4.5/5||4.5/5||4.5/5||Sep 2012||599||-||Olympus E-PL5|
|Olympus E-PM2« »||-||77/100||5/5||4.5/5||4.5/5||Sep 2012||499||-||Olympus E-PM2|
|Olympus E-PL2« »||83/100||71/100||4.5/5||4.5/5||4.5/5||Jan 2011||599||-||Olympus E-PL2|
|Olympus E-PL3« »||+ +||72/100||4.5/5||-||4/5||Jun 2011||599||-||Olympus E-PL3|
|Olympus E-PL1« »||86/100||69/100||4/5||4.5/5||4.5/5||Feb 2010||599||-||Olympus E-PL1|
|Sony A7R III« »||+ +||90/100||4.5/5||5/5||5/5||Oct 2017||3,199||Sony A7R III|
|Sony A9« »||+ +||89/100||5/5||5/5||5/5||Apr 2017||4,499||Sony A9|
|Sony A7R II« »||+ +||90/100||5/5||4.5/5||5/5||Jun 2015||3,199||-||Sony A7R II|
|Sony A7 II« »||+||82/100||4.5/5||5/5||5/5||Nov 2014||1,999||-||Sony A7 II|
|Sony A7S« »||-||86/100||4.5/5||4.5/5||5/5||Apr 2014||2,499||-||Sony A7S|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.
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 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 E-PL9 vs Sony A7S 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 Model||Olympus E-PL9||Sony A7S II|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Micro Four Thirds lenses||Sony E mount lenses|
|Launch Date||February 2018||September 2015|
|Launch Price||USD 549||USD 2999|
|Sensor Specs||Olympus E-PL9||Sony A7S II|
|Sensor Format||Four Thirds Sensor||Full Frame Sensor|
|Sensor Size||17.3 x 13.0 mm||35.6 x 23.8 mm|
|Sensor Area||224.9 mm2||847.28 mm2|
|Sensor Diagonal||21.6 mm||42.8 mm|
|Sensor Resolution||15.9 Megapixels||12 Megapixels|
|Image Resolution||4608 x 3456 pixels||4240 x 2832 pixels|
|Pixel Pitch||3.76 μm||8.40 μm|
|Pixel Density||7.08 MP/cm2||1.42 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||4K/30p Video||4K/30p Video|
|ISO Setting||200-6400 ISO||100-102400 ISO|
|ISO Boost||100-25600 ISO||50-409600 ISO|
|Image Processor||TruePic VIII||BIONZ X|
|DXO Sensor Quality (score)||..||85|
|DXO Color Depth (bits)||..||23.6|
|DXO Dynamic Range (EV)||..||13.3|
|DXO Low Light (ISO)||..||2993|
|Screen Specs||Olympus E-PL9||Sony A7S II|
|Viewfinder Type||No viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%|
|Viewfinder Resolution||2400k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||1040k dots||1229k dots|
|LCD Attachment||Tilting screen||Tilting screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Olympus E-PL9||Sony A7S II|
|Autofocus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000/s||1/8000/s|
|Continuous Shooting||8.6 shutter flaps/s||5 shutter flaps/s|
|Electronic Shutter||up to 1/16000s||YES|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||In-body stabilization||In-body stabilization|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Olympus E-PL9||Sony A7S II|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||micro HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Body Specs||Olympus E-PL9||Sony A7S II|
|Environmental Sealing||Not weather sealed||Weathersealed body|
|Battery Type||BLS-50 power pack||NP-FW50 power pack|
|Battery Life (CIPA)||350 shots per charge||370 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
117 x 68 x 39 mm
(4.6 x 2.7 x 1.5 in)
127 x 96 x 60 mm
(5.0 x 3.8 x 2.4 in)
|Camera Weight||380 g (13.4 oz)||627 g (22.1 oz)|
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