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Olympus E-510 vs Sony A99

The Olympus E-510 and the Sony Alpha SLT-A99 are two digital cameras that were revealed to the public, respectively, in March 2007 and September 2012. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a Four Thirds (E-510) and a full frame (A99) 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 A99
Olympus E-510   Sony A99
Digital single lens reflex Digital single lens reflex
Four Thirds lenses Sony A mount lenses
10 MP – Four Thirds sensor 24 MP – Full Frame sensor
no Video 1080/60p Video
ISO 100-1,600 ISO 100-25,600
Optical viewfinder Electronic viewfinder (2359k dots)
2.5" LCD – 215k dots 2.5" LCD – 1229k dots
Fixed screen (not touch-sensitive) Fully flexible screen (no touchscreen)
3 shutter flaps per second 6 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
750 shots per battery charge500 shots per battery charge
136 x 92 x 68 mm, 538 g 147 x 111 x 78 mm, 812 g
Olympus E-510:
Check Ebay offers
Sony A99:
Check Ebay offers

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-510 and the Sony Alpha SLT-A99? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Olympus E-510 and the Sony A99. 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 measures are rounded to the nearest millimeter.

Size Olympus E-510 vs Sony A99
Compare E-510 versus A99 top
Comparison E-510 or A99 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 is notably larger (30 percent) than the Olympus E-510. Moreover, the A99 is substantially heavier (51 percent) than the E-510. It is noteworthy in this context that the A99 is splash and dust-proof, while the E-510 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 E-510 gets 750 shots out of its BLM-1 battery, while the A99 can take 500 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, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-510 136 mm 92 mm 68 mm 538 g 750 n Mar 2007 799i
2.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799i
3.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799i
4.
 
Olympus E-600 130 mm 94 mm 60 mm 535 g 500 n Aug 2009 449i
5.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 699i
6.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799i
7.
 
Olympus E-30 142 mm 108 mm 75 mm 701 g 750 n Nov 2008 1,299i
8.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 699i
9.
 
Olympus E-410 130 mm 91 mm 53 mm 435 g 500 n Mar 2007 699i
10.
 
Olympus E-400 130 mm 91 mm 53 mm 435 g 500 n Sep 2006 699i
11.
 
Olympus E-500 130 mm 95 mm 66 mm 479 g 750 n Sep 2005 599i
12.
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 599i
13.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 i
14.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 i
15.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399i
16.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999i
17.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999i
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The 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 71 percent) than the A99, 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 more expensive and 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 A99 a full frame sensor. The sensor area in the A99 is 279 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-510 has a native 4:3 aspect ratio, while the one in the A99 offers a 3:2 aspect.

In terms of underlying technology, both cameras are build around CMOS sensors.

Olympus E-510 and Sony A99 sensor measures

With 24MP, the A99 offers a higher resolution than the E-510 (10MP), but the A99 nevertheless has larger individual pixels (pixel pitch of 5.96μm versus 4.74μm for the E-510) due to its larger sensor. Moreover, the A99 is a much more recent model (by 5 years and 6 months) than the E-510, 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 A99 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A99 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 SLT-A99 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.

E-510 versus A99 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 A99 offers substantially better image quality than the E-510 (overall score 37 points higher). The advantage is based on 3.8 bits higher color depth, 4 EV in additional dynamic range, and 1.8 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
2.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
3.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
4.
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
5.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
6.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
7.
 
Olympus E-30 Four Thirds 12.2 4032 3024none21.310.453055
8.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
9.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
10.
 
Olympus E-400 Four Thirds 10.0 3648 2736none21.010.612753
11.
 
Olympus E-500 Four Thirds 8.0 3264 2448none20.710.34551
12.
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955
13.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
14.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
15.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
16.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
17.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The A99 indeed provides for movie recording, while the E-510 does not. The highest resolution format that the A99 can use is 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A99 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 A99 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 A99 has a higher magnification (0.71x 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 A99 in connection with corresponding information for a sample of similar cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-510optical n2.5 / 215 fixed n 1/4000s 3.0/s Y Y
2.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
3.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
4.
 
Olympus E-600optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
5.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
6.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
7.
 
Olympus E-30optical Y2.7 / 230 swivel n 1/8000s 5.0/s Y Y
8.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
9.
 
Olympus E-410optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
10.
 
Olympus E-400optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
11.
 
Olympus E-500optical n2.5 / 215 fixed n 1/4000s 2.5/s Y n
12.
 
Panasonic L10optical n2.5 / 207 swivel n 1/4000s 3.0/s Y n
13.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
14.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
15.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
17.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The E-510 has one, while the A99 does not. While the built-in flash of the E-510 is not very powerful, it can at times be useful as a fill-in light.

The A99 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-510 does not have a selfie-screen.

The E-510 writes its imaging data to Compact Flash or xD Picture cards, while the A99 uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

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 SLT-A99 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-510Y- / ----2.0---
2.
 
Sony A99Ystereo / monoYYmini2.0---
3.
 
Olympus E-P3Ystereo / ---mini2.0---
4.
 
Olympus E-600Y- / ----2.0---
5.
 
Olympus E-620Y- / ----2.0---
6.
 
Olympus E-P1Ystereo / ---mini2.0---
7.
 
Olympus E-30Y- / ----2.0---
8.
 
Olympus E-520Y- / ----2.0---
9.
 
Olympus E-410Y- / ----2.0---
10.
 
Olympus E-400Y- / ----2.0---
11.
 
Olympus E-500Y- / ----2.0---
12.
 
Panasonic L10Y- / ----2.0---
13.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
14.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
15.
 
Sony A77Ystereo / monoY-mini2.0---
16.
 
Sony A850Y- / ---mini2.0---
17.
 
Sony A900Y- / ---mini2.0---

Studio photographers will appreciate that the Sony A99 (unlike the E-510) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the A99 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the E-510 and the A99 have been discontinued, but can regularly be found used on eBay. The E-510 was replaced by the Olympus E-520, while the A99 was followed by the Sony A99 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.

Review summary

So what conclusions can be drawn? Is the Olympus E-510 better than the Sony A99 or vice versa? 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.
  • More compact: Is smaller (136x92mm vs 147x111mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 274g or 34 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (750 versus 500) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (71 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2007).

ilogo

Advantages of the Sony Alpha SLT-A99:

  • More detail: Has more megapixels (24 vs 10MP), which boosts linear resolution by 58%.
  • Better image quality: Scores substantially higher (37 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.8 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.8 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60p 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 (0.71x vs 0.46x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • 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 (1229k vs 215k dots).
  • More flexible LCD: Has a full-flex 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More modern: Reflects 5 years and 6 months of technical progress since the E-510 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A99 is the clear winner of the contest (20 : 7 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 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 07:20 A99

How about other alternatives? Do the specifications of the Olympus E-510 and the Sony A99 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-510 or the A99. 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

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

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-510..89/100..+ +3.5/54.5/5 Mar 2007 799i
2.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799i
3.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799i
4.
 
Olympus E-600..........4.5/5 Aug 2009 449i
5.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 699i
6.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799i
7.
 
Olympus E-30......71/1004.5/54/5 Nov 2008 1,299i
8.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 699i
9.
 
Olympus E-410..86/100..+ +4/54.5/5 Mar 2007 699i
10.
 
Olympus E-400..85/100....4/54/5 Sep 2006 699i
11.
 
Olympus E-500..76/100..+ +.... Sep 2005 599i
12.
 
Panasonic L10..85/100..+3.5/54/5 Aug 2007 599i
13.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 i
14.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199 i
15.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399i
16.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999i
17.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Olympus E-510:
Check Ebay offers
Sony A99:
Check Ebay offers

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 a corresponding selection in the search boxes below. 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 A99

    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 A99
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Four Thirds lenses Sony A mount lenses
    Launch Date March 2007 September 2012
    Launch Price USD 799 USD 2,799
    Sensor Specs Olympus E-510 Sony A99
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.8 x 23.8 mm
    Sensor Area 224.9 mm2 852.04 mm2
    Sensor Diagonal 21.6 mm 43 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 10 Megapixels 24 Megapixels
    Image Resolution 3648 x 2736 pixels 6000 x 4000 pixels
    Pixel Pitch 4.74 μm 5.96 μm
    Pixel Density 4.44 MP/cm2 2.82 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 1,600 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 25,600 ISO
    Image Processor TruePic III BIONZ X
    DXO Sensor Quality (score) 52 89
    DXO Color Depth (bits) 21.2 25.0
    DXO Dynamic Range (EV) 10.0 14.0
    DXO Low Light (ISO) 442 1555
    Screen Specs Olympus E-510 Sony A99
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.46x 0.71x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 215k dots 1229k dots
    LCD Attachment Fixed screen Fully flexible screen
    Shooting Specs Olympus E-510 Sony A99
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 6 shutter flaps/s
    Image StabilizationIn-body stabilizationIn-body stabilization
    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 Dual card slots
    Connectivity Specs Olympus E-510 Sony A99
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Olympus E-510 Sony A99
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type BLM-1 NP-FM500H
    Battery Life (CIPA)750 shots per charge500 shots per charge
    Body Dimensions 136 x 92 x 68 mm
    (5.4 x 3.6 x 2.7 in)
    147 x 111 x 78 mm
    (5.8 x 4.4 x 3.1 in)
    Camera Weight 538 g (19.0 oz) 812 g (28.6 oz)
    Olympus E-510:
    Check Ebay offers
    Sony A99:
    Check Ebay offers

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