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Olympus E-510 vs Sony NEX-7

The Olympus E-510 and the Sony Alpha NEX-7 are two digital cameras that were revealed to the public, respectively, in March 2007 and August 2011. The E-510 is a DSLR, while the NEX-7 is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-510) and an APS-C (NEX-7) sensor. The Olympus has a resolution of 10 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Olympus E-510
versus
Sony NEX-7
Olympus E-510   Sony NEX-7
Digital single lens reflex Mirrorless system camera
Four Thirds lenses Sony E mount lenses
10 MP – Four Thirds sensor 24 MP – APS-C sensor
no Video 1080/60i Video
ISO 100-1,600 ISO 100-16,000
Optical viewfinder Electronic viewfinder (2359k dots)
2.5" LCD – 215k dots 3.0" LCD – 921k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
3 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens stabilization only
750 shots per battery charge430 shots per battery charge
136 x 92 x 68 mm, 538 g 120 x 67 x 43 mm, 400 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-510 and the Sony Alpha NEX-7? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Olympus E-510 and the Sony NEX-7. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Olympus E-510 vs Sony NEX-7
Compare E-510 versus NEX-7 top
Comparison E-510 or NEX-7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony NEX-7 is considerably smaller (36 percent) than the Olympus E-510. Moreover, the NEX-7 is markedly lighter (26 percent) than the E-510. In this context, it is worth noting that neither the E-510 nor the NEX-7 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. 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-510) and the Sony E-Mount Lens Catalog (NEX-7). Mirrorless cameras, such as the NEX-7, 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-510 gets 750 shots out of its Olympus BLM-1 battery, while the NEX-7 can take 430 images on a single charge of its Sony NP-FW50 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-510 136 mm 92 mm 68 mm 538 g 750 n Mar 2007 US$ 799ebay.com
2.
 
Sony NEX-7 120 mm 67 mm 43 mm 400 g 430 n Aug 2011 US$ 1 349ebay.com
3.
 
Fujifilm X100 126 mm 75 mm 54 mm 445 g 300 n Sep 2010 US$ 1 199ebay.com
4.
 
Olympus E-30 142 mm 108 mm 75 mm 701 g 750 n Nov 2008 US$ 1 299ebay.com
5.
 
Olympus E-400 130 mm 91 mm 53 mm 435 g 500 n Sep 2006 US$ 699ebay.com
6.
 
Olympus E-410 130 mm 91 mm 53 mm 435 g 500 n Mar 2007 US$ 699ebay.com
7.
 
Olympus E-500 130 mm 95 mm 66 mm 479 g 750 n Sep 2005 US$ 599ebay.com
8.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 US$ 699ebay.com
9.
 
Olympus E-600 130 mm 94 mm 60 mm 535 g 500 n Aug 2009 US$ 449ebay.com
10.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 US$ 699ebay.com
11.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 US$ 799ebay.com
12.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 US$ 799ebay.com
13.
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 US$ 599ebay.com
14.
 
Sony A3000 128 mm 91 mm 85 mm 411 g 470 n Aug 2013 US$ 329ebay.com
15.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 US$ 599ebay.com
16.
 
Sony A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 US$ 899 amazon.com
17.
 
Sony RX1 113 mm 65 mm 70 mm 482 g 270 n Sep 2012 US$ 2 799ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The E-510 was launched at a markedly lower price (by 41 percent) than the NEX-7, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-510 features a Four Thirds sensor and the Sony NEX-7 an APS-C sensor. The sensor area in the NEX-7 is 62 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-510 has a native 4:3 aspect ratio, while the one in the NEX-7 offers a 3:2 aspect.

Olympus E-510 and Sony NEX-7 sensor measures

With 24MP, the NEX-7 offers a higher resolution than the E-510 (10MP), but the NEX-7 has smaller individual pixels (pixel pitch of 3.90μm versus 4.74μm for the E-510). Yet, the NEX-7 is a much more recent model (by 4 years and 5 months) than the E-510, 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 NEX-7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the NEX-7 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-510 are 18.2 x 13.7 inches or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inches or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inches or 30.9 x 23.2 cm for excellent quality prints.

The Olympus E-510 has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Sony Alpha NEX-7 are ISO 100 to ISO 16000 (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-510 versus NEX-7 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"). Of the two cameras under consideration, the NEX-7 offers substantially better image quality than the E-510 (overall score 29 points higher). The advantage is based on 2.9 bits higher color depth, 3.4 EV in additional dynamic range, and 1.2 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.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
2.
 
Sony NEX-7 APS-C 24.0 6000 40001080/60i24.113.4101681
3.
 
Fujifilm X100 APS-C 12.2 4288 2848720/30p22.912.4100173
4.
 
Olympus E-30 Four Thirds 12.2 4032 3024none21.310.453055
5.
 
Olympus E-400 Four Thirds 10.0 3648 2736none21.010.612753
6.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
7.
 
Olympus E-500 Four Thirds 8.0 3264 2448none20.710.34551
8.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
9.
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
10.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
11.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
12.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
13.
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955
14.
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
15.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
16.
 
Sony A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
17.
 
Sony RX1 Full Frame 24.0 6000 40001080/60p25.114.3253493
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. The NEX-7 indeed provides for movie recording, while the E-510 does not. The highest resolution format that the NEX-7 can use is 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the NEX-7 has an electronic viewfinder (2359k dots), while the E-510 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 NEX-7 offers a wider field of view (100%) than the one in the E-510 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the NEX-7 has a higher magnification (0.73x vs 0.46x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Olympus E-510 and Sony NEX-7 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-510optical n2.5 / 215 fixed n 1/4000s 3.0/s Y Y
2.
 
Sony NEX-72359 n3.0 / 921 tilting n 1/4000s 10.0/s Y n
3.
 
Fujifilm X1001440 n2.8 / 460 fixed n 1/4000s 5.0/s Y n
4.
 
Olympus E-30optical Y2.7 / 230 swivel n 1/8000s 5.0/s Y Y
5.
 
Olympus E-400optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
6.
 
Olympus E-410optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
7.
 
Olympus E-500optical n2.5 / 215 fixed n 1/4000s 2.5/s Y n
8.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
9.
 
Olympus E-600optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
10.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
11.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
12.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
13.
 
Panasonic L10optical n2.5 / 207 swivel n 1/4000s 3.0/s Y n
14.
 
Sony A3000202 n3.0 / 230 fixed n 1/4000s 2.5/s Y n
15.
 
Sony A60001440 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
16.
 
Sony A64002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
17.
 
Sony RX1optional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the E-510 and the NEX-7 is in-body image stabilization (IBIS). The E-510 reduces the risk of handshake-induced blur with all attached lenses, while the NEX-7 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The E-510 writes its imaging data to Compact Flash or xD Picture cards, while the NEX-7 uses SDXC or Memory Stick PRO Duo cards. The E-510 features dual card slots, which can be very useful in case a memory card fails. In contrast, the NEX-7 only has one slot.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus E-510 and Sony Alpha NEX-7 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-510Y- / ----2.0---
2.
 
Sony NEX-7Ystereo / monoY-mini2.0---
3.
 
Fujifilm X100Ystereo / ---mini2.0---
4.
 
Olympus E-30Y- / ----2.0---
5.
 
Olympus E-400Y- / ----2.0---
6.
 
Olympus E-410Y- / ----2.0---
7.
 
Olympus E-500Y- / ----2.0---
8.
 
Olympus E-520Y- / ----2.0---
9.
 
Olympus E-600Y- / ----2.0---
10.
 
Olympus E-620Y- / ----2.0---
11.
 
Olympus E-P1Ystereo / ---mini2.0---
12.
 
Olympus E-P3Ystereo / ---mini2.0---
13.
 
Panasonic L10Y- / ----2.0---
14.
 
Sony A3000Ystereo / mono--mini2.0---
15.
 
Sony A6000Ystereo / mono--micro2.0YY-
16.
 
Sony A6400Ystereo / monoY-micro2.0YYY
17.
 
Sony RX1Ystereo / monoY-mini2.0---

Both the E-510 and the NEX-7 have been discontinued, but can regularly be found used on ebay. The E-510 was replaced by the Olympus E-520, while the NEX-7 does not have a direct successor. Further information on the features and operation of the E-510 and NEX-7 can be found, respectively, in the Olympus E-510 Manual (free pdf) or the online Sony NEX-7 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Olympus E-510 and the Sony NEX-7? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Olympus E-510:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (750 versus 430) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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 (41 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2007).

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Advantages of the Sony Alpha NEX-7:

  • More detail: Has more megapixels (24 vs 10MP), which boosts linear resolution by 58%.
  • Better image quality: Scores substantially higher (29 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.9 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 (1.2 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60i video.
  • 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 (0.73x vs 0.46x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 215k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (120x67mm vs 136x92mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 138g or 26 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More modern: Reflects 4 years and 5 months of technical progress since the E-510 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the NEX-7 is the clear winner of the contest (17 : 6 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-510 06:17 NEX-7

How about other alternatives? Do the specifications of the Olympus E-510 and the Sony NEX-7 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 remains incomplete and does no justice, for example, to the way the E-510 or the NEX-7 perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-510..89/100..+ +3.5/54.5/5 Mar 2007 US$ 799ebay.com
2.
 
Sony NEX-75/5+ +..81/1004.5/55/5 Aug 2011 US$ 1 349ebay.com
3.
 
Fujifilm X1003/5....75/1004/55/5 Sep 2010 US$ 1 199ebay.com
4.
 
Olympus E-30......71/1004.5/54/5 Nov 2008 US$ 1 299ebay.com
5.
 
Olympus E-400..85/100....4/54/5 Sep 2006 US$ 699ebay.com
6.
 
Olympus E-410..86/100..+ +4/54.5/5 Mar 2007 US$ 699ebay.com
7.
 
Olympus E-500..76/100..+ +.... Sep 2005 US$ 599ebay.com
8.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 US$ 699ebay.com
9.
 
Olympus E-600..........4.5/5 Aug 2009 US$ 449ebay.com
10.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 US$ 699ebay.com
11.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 US$ 799ebay.com
12.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 US$ 799ebay.com
13.
 
Panasonic L10..85/100..+3.5/54/5 Aug 2007 US$ 599ebay.com
14.
 
Sony A30003/5+....4/54/5 Aug 2013 US$ 329ebay.com
15.
 
Sony A60005/5+4.5/580/1004.5/55/5 Feb 2014 US$ 599ebay.com
16.
 
Sony A64004/5+4/585/1004.5/54/5 Jan 2019 US$ 899 amazon.com
17.
 
Sony RX15/5....79/1004/54.5/5 Sep 2012 US$ 2 799ebay.com
Note: (+ +) 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

Did this review help to inform your camera decision process? 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 E-510 vs Sony NEX-7

    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-510 Sony NEX-7
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Four Thirds lenses Sony E mount lenses
    Launch Date March 2007 August 2011
    Launch Price USD 799 USD 1,349
    Sensor Specs Olympus E-510 Sony NEX-7
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.4 x 15.6 mm
    Sensor Area 224.9 mm2 365.04 mm2
    Sensor Diagonal 21.6 mm 28.1 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 10 Megapixels 24 Megapixels
    Image Resolution 3648 x 2736 pixels 6000 x 4000 pixels
    Pixel Pitch 4.74 μm 3.90 μm
    Pixel Density 4.44 MP/cm2 6.57 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60i Video
    ISO Setting 100 - 1,600 ISO 100 - 16,000 ISO
    Image Processor TruePic III BIONZ
    DXO Sensor Quality (score) 52 81
    DXO Color Depth (bits) 21.2 24.1
    DXO Dynamic Range (EV) 10.0 13.4
    DXO Low Light (ISO) 442 1016
    Screen Specs Olympus E-510 Sony NEX-7
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.46x 0.73x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 215k dots 921k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Olympus E-510 Sony NEX-7
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 3 shutter flaps/s 10 shutter flaps/s
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF or XD cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    Connectivity Specs Olympus E-510 Sony NEX-7
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Olympus E-510 Sony NEX-7
    Battery Type Olympus BLM-1 Sony NP-FW50
    Battery Life (CIPA)750 shots per charge430 shots per charge
    Body Dimensions 136 x 92 x 68 mm
    (5.4 x 3.6 x 2.7 in)
    120 x 67 x 43 mm
    (4.7 x 2.6 x 1.7 in)
    Camera Weight 538 g (19.0 oz) 400 g (14.1 oz)
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