Olympus E-520 vs Sony A1
The Olympus E-520 and the Sony A1 are two digital cameras that were announced, respectively, in May 2008 and January 2021. The E-520 is a DSLR, while the A1 is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-520) and a full frame (A1) sensor. The Olympus has a resolution of 10 megapixels, whereas the Sony provides 49.8 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-520 and the Sony A1? 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 physical size and weight of the Olympus E-520 and the Sony A1 are illustrated 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 measures 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 Olympus E-520 and the Sony A1 are of equal size. However, the A1 is substantially heavier (38 percent) than the E-520. It is noteworthy in this context that the A1 is splash and dust-proof, while the E-520 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-520) and the Sony FE Lens Catalog (A1). Mirrorless cameras, such as the A1, 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-520 gets 750 shots out of its Olympus BLM-1 battery, while the A1 can take 530 images on a single charge of its Sony NP-FZ100 power pack. The power pack in the A1 can be charged via the USB port, which can be very convenient when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.
Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Olympus E-520 | 136 mm | 92 mm | 68 mm | 535 g | 750 | n | May 2008 | 699 | ebay.com | |
2. | Sony A1 | 129 mm | 97 mm | 81 mm | 737 g | 530 | Y | Jan 2021 | 6,499 | amazon.com | |
3. | Olympus E-30 | 142 mm | 108 mm | 75 mm | 701 g | 750 | n | Nov 2008 | 1,299 | ebay.com | |
4. | Olympus E-410 | 130 mm | 91 mm | 53 mm | 435 g | 500 | n | Mar 2007 | 699 | ebay.com | |
5. | Olympus E-420 | 130 mm | 91 mm | 53 mm | 440 g | 500 | n | Mar 2008 | 599 | ebay.com | |
6. | Olympus E-450 | 130 mm | 91 mm | 53 mm | 440 g | 500 | n | Mar 2009 | 499 | ebay.com | |
7. | Olympus E-510 | 136 mm | 92 mm | 68 mm | 538 g | 750 | n | Mar 2007 | 799 | ebay.com | |
8. | Olympus E-600 | 130 mm | 94 mm | 60 mm | 535 g | 500 | n | Aug 2009 | 449 | ebay.com | |
9. | Olympus E-620 | 130 mm | 94 mm | 60 mm | 521 g | 500 | n | Feb 2009 | 699 | ebay.com | |
10. | Olympus E-P1 | 121 mm | 70 mm | 36 mm | 355 g | 300 | n | Jun 2009 | 799 | ebay.com | |
11. | Olympus E-P2 | 121 mm | 70 mm | 36 mm | 355 g | 300 | n | Nov 2009 | 799 | ebay.com | |
12. | Panasonic L10 | 135 mm | 96 mm | 78 mm | 556 g | 450 | n | Aug 2007 | 599 | ebay.com | |
13. | Sony A7 IV | 131 mm | 96 mm | 80 mm | 659 g | 580 | Y | Oct 2021 | 2,499 | amazon.com | |
14. | Sony A7R IIIA | 127 mm | 96 mm | 74 mm | 650 g | 650 | Y | Apr 2021 | 3,199 | amazon.com | |
15. | Sony A7R IVA | 129 mm | 96 mm | 78 mm | 665 g | 670 | Y | Apr 2021 | 3,499 | amazon.com | |
16. | Sony A7R V | 131 mm | 97 mm | 82 mm | 723 g | 530 | Y | Oct 2022 | 3,899 | amazon.com | |
17. | Sony A7S III | 127 mm | 97 mm | 81 mm | 699 g | 600 | Y | Jul 2020 | 3,499 | amazon.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 naturally be influenced heavily by the price. 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-520 was launched at a markedly lower price (by 89 percent) than the A1, 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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Olympus E-520 features a Four Thirds sensor and the Sony A1 a full frame sensor. The sensor area in the A1 is 283 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-520 has a native 4:3 aspect ratio, while the one in the A1 offers a 3:2 aspect.
With 49.8MP, the A1 offers a higher resolution than the E-520 (10MP), but the A1 has smaller individual pixels (pixel pitch of 4.16μm versus 4.74μm for the E-520). Yet, the A1 is a much more recent model (by 12 years and 8 months) than the E-520, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the A1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Sony A1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A1 for good quality output (200 dots per inch) amounts to 43.2 x 28.8 inches or 109.7 x 73.2 cm, for very good quality (250 dpi) 34.6 x 23 inches or 87.8 x 58.5 cm, and for excellent quality (300 dpi) 28.8 x 19.2 inches or 73.2 x 48.8 cm. The corresponding values for the Olympus E-520 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 A1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the E-520, the A1 has the capacity to capture high quality composite images (YESMP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
The Olympus E-520 has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Sony A1 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.
In terms of underlying technology, the E-520 is build around a CMOS sensor, while the A1 uses a Stacked BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 A1 offers substantially better image quality than the E-520 (overall score 43 points higher). The advantage is based on 4.5 bits higher color depth, 4.1 EV in additional dynamic range, and 2.5 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Olympus E-520 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.4 | 10.4 | 548 | 55 | |
2. | Sony A1 | Full Frame | 49.8 | 8640 | 5760 | 8k/30p | 25.9 | 14.5 | 3163 | 98 | |
3. | Olympus E-30 | Four Thirds | 12.2 | 4032 | 3024 | none | 21.3 | 10.4 | 530 | 55 | |
4. | Olympus E-410 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.1 | 10.0 | 494 | 51 | |
5. | Olympus E-420 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.5 | 10.4 | 527 | 56 | |
6. | Olympus E-450 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.5 | 10.5 | 512 | 56 | |
7. | Olympus E-510 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.2 | 10.0 | 442 | 52 | |
8. | Olympus E-600 | Four Thirds | 12.2 | 4032 | 3024 | none | 21.5 | 10.3 | 541 | 55 | |
9. | Olympus E-620 | Four Thirds | 12.2 | 4032 | 3024 | none | 21.3 | 10.3 | 536 | 55 | |
10. | Olympus E-P1 | Four Thirds | 12.2 | 4032 | 3024 | 720/30p | 21.4 | 10.4 | 536 | 55 | |
11. | Olympus E-P2 | Four Thirds | 12.2 | 4032 | 3024 | 720/30p | 21.5 | 10.4 | 505 | 56 | |
12. | Panasonic L10 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.3 | 10.8 | 429 | 55 | |
13. | Sony A7 IV | Full Frame | 32.7 | 7008 | 4672 | 4K/60p | 25.4 | 14.7 | 3379 | 97 | |
14. | Sony A7R IIIA | Full Frame | 42.2 | 7952 | 5304 | 4K/30p | 26.0 | 14.7 | 3523 | 100 | |
15. | Sony A7R IVA | Full Frame | 60.2 | 9504 | 6336 | 4K/30p | 26.0 | 14.8 | 3344 | 99 | |
16. | Sony A7R V | Full Frame | 60.2 | 9504 | 6336 | 8k/24p | 26.5 | 14.8 | 3187 | 100 | |
17. | Sony A7S III | Full Frame | 12.0 | 4240 | 2832 | 4K/120p | 23.7 | 13.9 | 2520 | 86 |
Many modern cameras are not only capable of taking still images, but can also record movies. The A1 indeed provides for movie recording, while the E-520 does not. The highest resolution format that the A1 can use is 8k/30p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A1 has an electronic viewfinder (9437k dots), while the E-520 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 A1 offers a wider field of view (100%) than the one in the E-520 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A1 has a higher magnification (0.9x vs 0.46x), 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-520, the Sony A1, and comparable cameras.
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-520 | optical | n | 2.7 / 215 | fixed | n | 1/4000s | 3.5/s | Y | Y | |
2. | Sony A1 | 9437 | n | 3.0 / 1440 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
3. | Olympus E-30 | optical | Y | 2.7 / 230 | swivel | n | 1/8000s | 5.0/s | Y | Y | |
4. | Olympus E-410 | optical | n | 2.5 / 215 | fixed | n | 1/4000s | 3.0/s | Y | n | |
5. | Olympus E-420 | optical | n | 2.7 / 215 | fixed | n | 1/4000s | 3.5/s | Y | n | |
6. | Olympus E-450 | optical | n | 2.7 / 215 | fixed | n | 1/4000s | 3.5/s | Y | n | |
7. | Olympus E-510 | optical | n | 2.5 / 215 | fixed | n | 1/4000s | 3.0/s | Y | Y | |
8. | Olympus E-600 | optical | n | 2.7 / 230 | swivel | n | 1/4000s | 4.0/s | Y | Y | |
9. | Olympus E-620 | optical | n | 2.7 / 230 | swivel | n | 1/4000s | 4.0/s | Y | Y | |
10. | Olympus E-P1 | none | n | 3.0 / 230 | fixed | n | 1/4000s | 3.0/s | n | Y | |
11. | Olympus E-P2 | optional | n | 3.0 / 230 | fixed | n | 1/4000s | 3.0/s | n | Y | |
12. | Panasonic L10 | optical | n | 2.5 / 207 | swivel | n | 1/4000s | 3.0/s | Y | n | |
13. | Sony A7 IV | 3686 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
14. | Sony A7R IIIA | 3686 | n | 3.0 / 2340 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
15. | Sony A7R IVA | 5760 | n | 3.0 / 2340 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
16. | Sony A7R V | 9440 | n | 3.2 / 2100 | full-flex | Y | 1/8000s | 10.0/s | n | Y | |
17. | Sony A7S III | 9440 | n | 3.0 / 1440 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
Note: *) 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-520 has one, while the A1 does not. While the built-in flash of the E-520 is not very powerful, it can at times be useful as a fill-in light.
The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A1 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Sony A1 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-520 writes its imaging data to Compact Flash or xD Picture cards, while the A1 uses CFexpress (type A) or SDXC 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-520 and Sony A1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Olympus E-520 | Y | - / - | - | - | - | 2.0 | - | - | - | |
2. | Sony A1 | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
3. | Olympus E-30 | Y | - / - | - | - | - | 2.0 | - | - | - | |
4. | Olympus E-410 | Y | - / - | - | - | - | 2.0 | - | - | - | |
5. | Olympus E-420 | Y | - / - | - | - | - | 2.0 | - | - | - | |
6. | Olympus E-450 | Y | - / - | - | - | - | 2.0 | - | - | - | |
7. | Olympus E-510 | Y | - / - | - | - | - | 2.0 | - | - | - | |
8. | Olympus E-600 | Y | - / - | - | - | - | 2.0 | - | - | - | |
9. | Olympus E-620 | Y | - / - | - | - | - | 2.0 | - | - | - | |
10. | Olympus E-P1 | Y | stereo / - | - | - | mini | 2.0 | - | - | - | |
11. | Olympus E-P2 | Y | stereo / - | - | - | mini | 2.0 | - | - | - | |
12. | Panasonic L10 | Y | - / - | - | - | - | 2.0 | - | - | - | |
13. | Sony A7 IV | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
14. | Sony A7R IIIA | Y | stereo / mono | Y | Y | micro | 3.2 | Y | Y | Y | |
15. | Sony A7R IVA | Y | stereo / mono | Y | Y | micro | 3.2 | Y | Y | Y | |
16. | Sony A7R V | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
17. | Sony A7S III | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y |
It is notable that the A1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-520 does not provide wifi capability.
Studio photographers will appreciate that the Sony A1 (unlike the E-520) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
The A1 is a recent model that features in the current product line-up of Sony. In contrast, the E-520 has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the E-520 from Olympus. Further information on the features and operation of the E-520 and A1 can be found, respectively, in the Olympus E-520 Manual (free pdf) or the online Sony A1 Manual.
Review summary
So what conclusions can be drawn? Is there a clear favorite between the Olympus E-520 and the Sony A1? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.
Reasons to prefer the Olympus E-520:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Less heavy: Is lighter (by 202g or 27 percent) and hence easier to carry around.
- Longer lasting: Can take more shots (750 versus 530) 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 (89 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in May 2008).
Arguments in favor of the Sony A1:
- More detail: Has more megapixels (49.8 vs 10MP), which boosts linear resolution by 128%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better image quality: Scores substantially higher (43 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (4.5 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (4.1 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (2.5 stops ISO advantage).
- Broader imaging potential: Can capture not only stills but also 8k/30p 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 (0.9x vs 0.46x).
- 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 (1440k vs 215k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (10 vs 3.5 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- 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.
- Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More modern: Reflects 12 years and 8 months of technical progress since the E-520 launch.
If the count of individual advantages (bullet points above) is taken as a guide, the A1 is the clear winner of the contest (28 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional 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.
How about other alternatives? Do the specifications of the Olympus E-520 and the Sony A1 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-520 or the A1. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
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.
Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Olympus E-520 | .. | 87/100 | .. | + + | 4.5/5 | 4.5/5 | May 2008 | 699 | ebay.com | |
2. | Sony A1 | 5/5 | o | 4.5/5 | 93/100 | 4.5/5 | 5/5 | Jan 2021 | 6,499 | amazon.com | |
3. | Olympus E-30 | .. | .. | .. | 71/100 | 4.5/5 | 4/5 | Nov 2008 | 1,299 | ebay.com | |
4. | Olympus E-410 | .. | 86/100 | .. | + + | 4/5 | 4.5/5 | Mar 2007 | 699 | ebay.com | |
5. | Olympus E-420 | .. | 85/100 | .. | + + | 4/5 | 4.5/5 | Mar 2008 | 599 | ebay.com | |
6. | Olympus E-450 | .. | .. | .. | .. | 4/5 | 4/5 | Mar 2009 | 499 | ebay.com | |
7. | Olympus E-510 | .. | 89/100 | .. | + + | 3.5/5 | 4.5/5 | Mar 2007 | 799 | ebay.com | |
8. | Olympus E-600 | .. | .. | .. | .. | .. | 4.5/5 | Aug 2009 | 449 | ebay.com | |
9. | Olympus E-620 | 3/5 | 88/100 | .. | 72/100 | 4.5/5 | 5/5 | Feb 2009 | 699 | ebay.com | |
10. | Olympus E-P1 | .. | + | .. | 66/100 | 4/5 | 4.5/5 | Jun 2009 | 799 | ebay.com | |
11. | Olympus E-P2 | 3/5 | + | .. | 69/100 | 4/5 | 4.5/5 | Nov 2009 | 799 | ebay.com | |
12. | Panasonic L10 | .. | 85/100 | .. | + | 3.5/5 | 4/5 | Aug 2007 | 599 | ebay.com | |
13. | Sony A7 IV | 5/5 | + + | 4.5/5 | 89/100 | 4.5/5 | 4.5/5 | Oct 2021 | 2,499 | amazon.com | |
14. | Sony A7R IIIA | .. | + + | 4/5 | 90/100 | 4.5/5 | 5/5 | Apr 2021 | 3,199 | amazon.com | |
15. | Sony A7R IVA | 5/5 | + | 4.5/5 | 91/100 | 4.5/5 | 5/5 | Apr 2021 | 3,499 | amazon.com | |
16. | Sony A7R V | 5/5 | + + | 4.5/5 | 92/100 | .. | .. | Oct 2022 | 3,899 | amazon.com | |
17. | Sony A7S III | 4.5/5 | + + | 5/5 | 91/100 | 4.5/5 | 5/5 | Jul 2020 | 3,499 | amazon.com | |
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
Specifications: Olympus E-520 vs Sony A1
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-520 | Sony A1 |
---|---|---|
Camera Type | Digital single lens reflex | Mirrorless system camera |
Camera Lens | Four Thirds lenses | Sony E mount lenses |
Launch Date | May 2008 | January 2021 |
Launch Price | USD 699 | USD 6,499 |
Sensor Specs | Olympus E-520 | Sony A1 |
Sensor Technology | CMOS | Stacked BSI-CMOS |
Sensor Format | Four Thirds Sensor | Full Frame Sensor |
Sensor Size | 17.3 x 13.0 mm | 35.9 x 24.0 mm |
Sensor Area | 224.9 mm2 | 861.6 mm2 |
Sensor Diagonal | 21.6 mm | 43.2 mm |
Crop Factor | 2.0x | 1.0x |
Sensor Resolution | 10 Megapixels | 49.8 Megapixels |
Image Resolution | 3648 x 2736 pixels | 8640 x 5760 pixels |
Pixel Pitch | 4.74 μm | 4.16 μm |
Pixel Density | 4.44 MP/cm2 | 5.78 MP/cm2 |
Moiré control | Anti-Alias filter | no AA filter |
Movie Capability | no Video | 8k/30p Video |
ISO Setting | 100 - 1,600 ISO | 100 - 32,000 ISO |
ISO Boost | no Enhancement | 50 - 102,400 ISO |
Image Processor | TruePic III | Dual BIONZ XR |
DXO Sensor Quality (score) | 55 | 98 |
DXO Color Depth (bits) | 21.4 | 25.9 |
DXO Dynamic Range (EV) | 10.4 | 14.5 |
DXO Low Light (ISO) | 548 | 3163 |
Screen Specs | Olympus E-520 | Sony A1 |
Viewfinder Type | Optical viewfinder | Electronic viewfinder |
Viewfinder Field of View | 95% | 100% |
Viewfinder Magnification | 0.46x | 0.9x |
Viewfinder Resolution | 9437k dots | |
LCD Framing | Live View | Live View |
Rear LCD Size | 2.7inch | 3.0inch |
LCD Resolution | 215k dots | 1440k dots |
LCD Attachment | Fixed screen | Tilting screen |
Touch Input | no Touchscreen | Touchscreen |
Shooting Specs | Olympus E-520 | Sony A1 |
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 | 3.5 shutter flaps/s | 10 shutter flaps/s |
Electronic Shutter | no E-Shutter | up to 1/32000s |
Time-Lapse Photography | no Intervalometer | Intervalometer built-in |
Image Stabilization | In-body stabilization | In-body stabilization |
Fill Flash | Built-in Flash | no On-Board Flash |
Storage Medium | CF or XD cards | CFexA or SDXC cards |
Single or Dual Card Slots | Dual card slots | Dual card slots |
Connectivity Specs | Olympus E-520 | Sony A1 |
External Flash | Hotshoe | Hotshoe |
Studio Flash | no PC Sync | PC Sync socket |
USB Connector | USB 2.0 | USB 3.2 |
HDMI Port | no HDMI | full HDMI |
Microphone Port | no MIC socket | External MIC port |
Headphone Socket | no Headphone port | Headphone port |
Wifi Support | no Wifi | Wifi built-in |
Bluetooth Support | no Bluetooth | Bluetooth built-in |
Body Specs | Olympus E-520 | Sony A1 |
Environmental Sealing | not weather sealed | Weathersealed body |
Battery Type | Olympus BLM-1 | Sony NP-FZ100 |
Battery Life (CIPA) | 750 shots per charge | 530 shots per charge |
In-Camera Charging | no USB charging | USB charging |
Body Dimensions |
136 x 92 x 68 mm (5.4 x 3.6 x 2.7 in) |
129 x 97 x 81 mm (5.1 x 3.8 x 3.2 in) |
Camera Weight | 535 g (18.9 oz) | 737 g (26.0 oz) |
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