Olympus E-620 vs Sony A7
The Olympus E-620 and the Sony Alpha A7 are two digital cameras that were announced, respectively, in February 2009 and October 2013. The E-620 is a DSLR, while the A7 is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-620) and a full frame (A7) 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.
Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-620 and the Sony Alpha A7? 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.
An illustration of the physical size and weight of the Olympus E-620 and the Sony A7 is provided 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.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 is somewhat smaller (2 percent) than the Olympus E-620. Moreover, the A7 is markedly lighter (9 percent) than the E-620. It is noteworthy in this context that the A7 is splash and dust-proof, while the E-620 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 Four Thirds Lens Catalog (E-620) and the Sony FE Lens Catalog (A7). Mirrorless cameras, such as the A7, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.
Concerning battery life, the E-620 gets 500 shots out of its BLS-1 battery, while the A7 can take 340 images on a single charge of its NP-FW50 power pack. The power pack in the A7 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, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.
|1.||Olympus E-620||130 mm||94 mm||60 mm||521 g||500||n||Feb 2009||699|
|2.||Sony A7||127 mm||94 mm||48 mm||474 g||340||Y||Oct 2013||1,699|
|3.||Olympus E-PL1||115 mm||72 mm||42 mm||334 g||290||n||Feb 2010||599|
|4.||Olympus E-450||130 mm||91 mm||53 mm||440 g||500||n||Mar 2009||499|
|5.||Olympus E-600||130 mm||94 mm||60 mm||535 g||500||n||Aug 2009||449|
|6.||Olympus E-P1||121 mm||70 mm||36 mm||355 g||300||n||Jun 2009||799|
|7.||Olympus E-P2||121 mm||70 mm||36 mm||355 g||300||n||Nov 2009||799|
|8.||Olympus E-30||142 mm||108 mm||75 mm||701 g||750||n||Nov 2008||1,299|
|9.||Olympus E-420||130 mm||91 mm||53 mm||440 g||500||n||Mar 2008||599|
|10.||Olympus E-520||136 mm||92 mm||68 mm||535 g||750||n||May 2008||699|
|11.||Olympus E-410||130 mm||91 mm||53 mm||435 g||500||n||Mar 2007||699|
|12.||Olympus E-510||136 mm||92 mm||68 mm||538 g||750||n||Mar 2007||799|
|13.||Samsung NX1||139 mm||102 mm||66 mm||550 g||500||Y||Sep 2014||1,499|
|14.||Sony A7C||124 mm||71 mm||60 mm||509 g||740||Y||Sep 2020||1,799|
|15.||Sony A7 II||127 mm||96 mm||60 mm||599 g||350||Y||Nov 2014||1,999|
|16.||Sony A7S||127 mm||94 mm||48 mm||489 g||380||Y||Apr 2014||2,499|
|17.||Sony A7R||127 mm||94 mm||48 mm||465 g||340||Y||Oct 2013||2,299|
|Notes: 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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-620 was launched at a markedly lower price (by 59 percent) than the A7, 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.
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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Olympus E-620 features a Four Thirds sensor and the Sony A7 a full frame sensor. The sensor area in the A7 is 280 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-620 has a native 4:3 aspect ratio, while the one in the A7 offers a 3:2 aspect.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.
With 24MP, the A7 offers a higher resolution than the E-620 (12.2MP), but the A7 nevertheless has larger individual pixels (pixel pitch of 5.97μm versus 4.29μm for the E-620) due to its larger sensor. Moreover, the A7 is a much more recent model (by 4 years and 7 months) than the E-620, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.
The resolution advantage of the Sony A7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 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-620 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 A7 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Olympus E-620 has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Sony Alpha A7 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 A7 offers substantially better image quality than the E-620 (overall score 35 points higher). The advantage is based on 3.5 bits higher color depth, 3.9 EV in additional dynamic range, and 2.1 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|1.||Olympus E-620||Four Thirds||12.2||4032||3024||none||21.3||10.3||536||55|
|2.||Sony A7||Full Frame||24.0||6000||4000||1080/60p||24.8||14.2||2248||90|
|3.||Olympus E-PL1||Four Thirds||12.2||4032||3024||720/30p||21.5||10.1||487||54|
|4.||Olympus E-450||Four Thirds||10.0||3648||2736||none||21.5||10.5||512||56|
|5.||Olympus E-600||Four Thirds||12.2||4032||3024||none||21.5||10.3||541||55|
|6.||Olympus E-P1||Four Thirds||12.2||4032||3024||720/30p||21.4||10.4||536||55|
|7.||Olympus E-P2||Four Thirds||12.2||4032||3024||720/30p||21.5||10.4||505||56|
|8.||Olympus E-30||Four Thirds||12.2||4032||3024||none||21.3||10.4||530||55|
|9.||Olympus E-420||Four Thirds||10.0||3648||2736||none||21.5||10.4||527||56|
|10.||Olympus E-520||Four Thirds||10.0||3648||2736||none||21.4||10.4||548||55|
|11.||Olympus E-410||Four Thirds||10.0||3648||2736||none||21.1||10.0||494||51|
|12.||Olympus E-510||Four Thirds||10.0||3648||2736||none||21.2||10.0||442||52|
|14.||Sony A7C||Full Frame||24.0||6000||4000||4K/30p||25.0||14.7||3407||95|
|15.||Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90|
|16.||Sony A7S||Full Frame||12.0||4240||2832||1080/60p||23.9||13.2||3702||87|
|17.||Sony A7R||Full Frame||36.2||7360||4912||1080/60p||25.6||14.1||2746||95|
Many modern cameras cannot only take still pictures, but also record videos. The A7 indeed provides for movie recording, while the E-620 does not. The highest resolution format that the A7 can use is 1080/60p.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7 has an electronic viewfinder (2400k dots), while the E-620 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 viewfinder in the A7 offers a wider field of view (100%) than the one in the E-620 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7 has a higher magnification (0.71x vs 0.48x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Olympus E-620, the Sony A7, and comparable cameras.
|1.||Olympus E-620||optical||n||2.7 / 230||swivel||n||1/4000s||4.0||Y||Y|
|2.||Sony A7||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0||n||n|
|3.||Olympus E-PL1||optional||n||2.7 / 230||fixed||n||1/2000s||3.0||Y||Y|
|4.||Olympus E-450||optical||n||2.7 / 215||fixed||n||1/4000s||3.5||Y||n|
|5.||Olympus E-600||optical||n||2.7 / 230||swivel||n||1/4000s||4.0||Y||Y|
|6.||Olympus E-P1||none||n||3.0 / 230||fixed||n||1/4000s||3.0||n||Y|
|7.||Olympus E-P2||optional||n||3.0 / 230||fixed||n||1/4000s||3.0||n||Y|
|8.||Olympus E-30||optical||Y||2.7 / 230||swivel||n||1/8000s||5.0||Y||Y|
|9.||Olympus E-420||optical||n||2.7 / 215||fixed||n||1/4000s||3.5||Y||n|
|10.||Olympus E-520||optical||n||2.7 / 215||fixed||n||1/4000s||3.5||Y||Y|
|11.||Olympus E-410||optical||n||2.5 / 215||fixed||n||1/4000s||3.0||Y||n|
|12.||Olympus E-510||optical||n||2.5 / 215||fixed||n||1/4000s||3.0||Y||Y|
|13.||Samsung NX1||2360||Y||3.0 / 1036||tilting||Y||1/8000s||15.0||Y||n|
|14.||Sony A7C||2360||n||3.0 / 922||swivel||Y||1/4000s||10.0||n||Y|
|15.||Sony A7 II||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0||n||Y|
|16.||Sony A7S||2400||n||3.0 / 921||tilting||n||1/8000s||5.0||n||n|
|17.||Sony A7R||2400||n||3.0 / 1230||tilting||n||1/8000s||4.0||n||n|
One difference between the cameras concerns the presence of an on-board flash. The E-620 has one, while the A7 does not. While the built-in flash of the E-620 is not very powerful, it can at times be useful as a fill-in light.The E-620 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 A7 does not have a selfie-screen.
The E-620 writes its imaging data to Compact Flash or xD Picture cards, while the A7 uses SDXC or Memory Stick PRO Duo cards. The E-620 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A7 only has one slot.
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-620 and Sony Alpha A7 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Olympus E-620||Y||- / -||-||-||-||2.0||-||-||-|
|2.||Sony A7||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|3.||Olympus E-PL1||Y||stereo / -||-||-||mini||2.0||-||-||-|
|4.||Olympus E-450||Y||- / -||-||-||-||2.0||-||-||-|
|5.||Olympus E-600||Y||- / -||-||-||-||2.0||-||-||-|
|6.||Olympus E-P1||Y||stereo / -||-||-||mini||2.0||-||-||-|
|7.||Olympus E-P2||Y||stereo / -||-||-||mini||2.0||-||-||-|
|8.||Olympus E-30||Y||- / -||-||-||-||2.0||-||-||-|
|9.||Olympus E-420||Y||- / -||-||-||-||2.0||-||-||-|
|10.||Olympus E-520||Y||- / -||-||-||-||2.0||-||-||-|
|11.||Olympus E-410||Y||- / -||-||-||-||2.0||-||-||-|
|12.||Olympus E-510||Y||- / -||-||-||-||2.0||-||-||-|
|13.||Samsung NX1||Y||stereo / mono||Y||Y||micro||3.0||Y||Y||Y|
|14.||Sony A7C||Y||stereo / mono||Y||Y||micro||3.2||Y||Y||Y|
|15.||Sony A7 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|16.||Sony A7S||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|17.||Sony A7R||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the A7 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-620 does not provide wifi capability.
Both the E-620 and the A7 have been discontinued, but can regularly be found used on eBay. The E-620 was replaced by the Olympus E-600, while the A7 was followed by the Sony A7 II. 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.
So how do things add up? Is the Olympus E-620 better than the Sony A7 or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Reasons to prefer the Olympus E-620:
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Longer lasting: Can take more shots (500 versus 340) on a single battery charge.
- Sharper images: Has hand-shake reducing image stabilization built-in.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More affordable: Was introduced into a lower priced category (59 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in February 2009).
Arguments in favor of the Sony Alpha A7:
- More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 43%.
- Better image quality: Scores substantially higher (35 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (3.5 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (3.9 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (2.1 stops ISO advantage).
- Broader imaging potential: Can capture not only stills but also 1080/60p video.
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.48x).
- 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 (1230k vs 230k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (5 vs 4 flaps/sec) to capture the decisive moment.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- 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 modern: Reflects 4 years and 7 months of technical progress since the E-620 launch.
If the number of relative strengths (bullet points above) is taken as a guide, the A7 is the clear winner of the contest (20 : 9 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape 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-620 and the Sony A7 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the E-620 and the A7 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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.
|1.||Olympus E-620||3/5||88/100||..||72/100||4.5/5||5/5||Feb 2009||699|
|2.||Sony A7||5/5||+ +||..||80/100||5/5||5/5||Oct 2013||1,699|
|3.||Olympus E-PL1||..||86/100||..||69/100||4/5||4.5/5||Feb 2010||599|
|4.||Olympus E-450||..||..||..||..||4/5||4/5||Mar 2009||499|
|5.||Olympus E-600||..||..||..||..||..||4.5/5||Aug 2009||449|
|6.||Olympus E-P1||..||+||..||66/100||4/5||4.5/5||Jun 2009||799|
|7.||Olympus E-P2||3/5||+||..||69/100||4/5||4.5/5||Nov 2009||799|
|8.||Olympus E-30||..||..||..||71/100||4.5/5||4/5||Nov 2008||1,299|
|9.||Olympus E-420||..||85/100||..||+ +||4/5||4.5/5||Mar 2008||599|
|10.||Olympus E-520||..||87/100||..||+ +||4.5/5||4.5/5||May 2008||699|
|11.||Olympus E-410||..||86/100||..||+ +||4/5||4.5/5||Mar 2007||699|
|12.||Olympus E-510||..||89/100||..||+ +||3.5/5||4.5/5||Mar 2007||799|
|13.||Samsung NX1||5/5||..||..||87/100||5/5||5/5||Sep 2014||1,499|
|14.||Sony A7C||3.5/5||..||3.5/5||86/100||4/5||4/5||Sep 2020||1,799|
|15.||Sony A7 II||5/5||+||4/5||82/100||4.5/5||5/5||Nov 2014||1,999|
|16.||Sony A7S||4/5||..||..||86/100||4.5/5||5/5||Apr 2014||2,499|
|17.||Sony A7R||5/5||+ +||..||82/100||4.5/5||5/5||Oct 2013||2,299|
|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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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 a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 5DS vs Olympus E-620
- Canon 7D II vs Olympus E-620
- Leica C-LUX vs Olympus E-620
- Nikon B700 vs Sony A7
- Nikon D5500 vs Olympus E-620
- Olympus E-5 vs Sony A7
- Olympus E-620 vs Sony A99 II
- Olympus E-620 vs Sony NEX-6
- Olympus E-P5 vs Sony A7
- Panasonic ZS70 vs Sony A7
- Sony A7 vs Sony A7R IV
- Sony A7 vs Sony NEX-3N
Specifications: Olympus E-620 vs Sony A7
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-620||Sony A7|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Four Thirds lenses||Sony E mount lenses|
|Launch Date||February 2009||October 2013|
|Launch Price||USD 699||USD 1,699|
|Sensor Specs||Olympus E-620||Sony A7|
|Sensor Format||Four Thirds Sensor||Full Frame Sensor|
|Sensor Size||17.3 x 13.0 mm||35.8 x 23.9 mm|
|Sensor Area||224.9 mm2||855.62 mm2|
|Sensor Diagonal||21.6 mm||43 mm|
|Sensor Resolution||12.2 Megapixels||24 Megapixels|
|Image Resolution||4032 x 3024 pixels||6000 x 4000 pixels|
|Pixel Pitch||4.29 μm||5.97 μm|
|Pixel Density||5.42 MP/cm2||2.80 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)||55||90|
|DXO Color Depth (bits)||21.3||24.8|
|DXO Dynamic Range (EV)||10.3||14.2|
|DXO Low Light (ISO)||536||2248|
|Screen Specs||Olympus E-620||Sony A7|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||2400k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||2.7inch||3.0inch|
|LCD Resolution||230k dots||1230k dots|
|LCD Attachment||Swivel screen||Tilting screen|
|Shooting Specs||Olympus E-620||Sony A7|
|Focus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/8000s|
|Continuous Shooting||4 shutter flaps/s||5 shutter flaps/s|
|Image Stabilization||In-body stabilization||Lens stabilization only|
|Fill Flash||Built-in Flash||no On-Board Flash|
|Storage Medium||CF or XD cards||MS or SDXC cards|
|Second Storage Option||Dual card slots||Single card slot|
|Connectivity Specs||Olympus E-620||Sony A7|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||no HDMI||micro HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Body Specs||Olympus E-620||Sony A7|
|Environmental Sealing||not weather sealed||Weathersealed body|
|Battery Life (CIPA)||500 shots per charge||340 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
130 x 94 x 60 mm
(5.1 x 3.7 x 2.4 in)
127 x 94 x 48 mm
(5.0 x 3.7 x 1.9 in)
|Camera Weight||521 g (18.4 oz)||474 g (16.7 oz)|
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