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Olympus E-30 vs Sony A5100

The Olympus E-30 and the Sony Alpha A5100 are two digital cameras that were officially introduced, respectively, in November 2008 and August 2014. The E-30 is a DSLR, while the A5100 is a mirrorless interchangeable lens camera. The cameras are based on a Four Thirds (E-30) and an APS-C (A5100) 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.

Headline Specifications
Olympus E-30 versus Sony A5100
Olympus E-30 Sony A5100
Digital single lens reflex Mirrorless system camera
Four Thirds lenses Sony E mount lenses
12.2 MP, Four Thirds Sensor 24 MP, APS-C Sensor
no Video 1080/60p Video
ISO 100-3,200 ISO 100-25,600
Optical viewfinder No viewfinder, LCD framing
2.7 LCD, 230k dots 3.0 LCD, 922k dots
Swivel screen (not touch-sensitive) Tilting touchscreen
5 shutter flaps per second 6 shutter flaps per second
In-body stabilizationLens stabilization only
750 shots per battery charge400 shots per battery charge
142 x 108 x 75 mm, 701 g 110 x 63 x 36 mm, 283 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-30 and the Sony Alpha A5100? 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-30 and the Sony A5100 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

The A5100 can be obtained in two different colors (black, white), while the E-30 is only available in black.

Size Olympus E-30 vs Sony A5100
Compare E-30 versus A5100 top
Comparison E-30 or A5100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A5100 is considerably smaller (55 percent) than the Olympus E-30. Moreover, the A5100 is substantially lighter (60 percent) than the E-30. In this context, it is worth noting that neither the E-30 nor the A5100 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-30) and the Sony E-Mount Lens Catalog (A5100). Mirrorless cameras, such as the A5100, 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-30 gets 750 shots out of its BLM-1 battery, while the A5100 can take 400 images on a single charge of its NP-FW50 power pack. The power pack in the A5100 can be charged via the USB port, which can be very convenient when travelling.

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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Olympus E-30 5.6 in 4.3 in 3.0 in 24.7 oz 750 n Nov 2008 1,299i
 
Sony A5100 4.3 in 2.5 in 1.4 in 10.0 oz 400 n Aug 2014 549 i
 
Olympus E-450 5.1 in 3.6 in 2.1 in 15.5 oz 500 n Mar 2009 499i
 
Olympus E-600 5.1 in 3.7 in 2.4 in 18.9 oz 500 n Aug 2009 449i
 
Olympus E-620 5.1 in 3.7 in 2.4 in 18.4 oz 500 n Feb 2009 699i
 
Olympus E-P1 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Jun 2009 799i
 
Olympus E-P2 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799i
 
Olympus E-420 5.1 in 3.6 in 2.1 in 15.5 oz 500 n Mar 2008 599i
 
Olympus E-520 5.4 in 3.6 in 2.7 in 18.9 oz 750 n May 2008 699i
 
Olympus E-3 5.6 in 4.6 in 3.0 in 30.9 oz 750 Y Oct 2007 1,699i
 
Olympus E-410 5.1 in 3.6 in 2.1 in 15.3 oz 500 n Mar 2007 699i
 
Olympus E-510 5.4 in 3.6 in 2.7 in 19.0 oz 750 n Mar 2007 799i
 
Sony A5000 4.3 in 2.5 in 1.4 in 9.5 oz 420 n Jan 2014 449i
 
Sony A6000 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599i
 
Sony A3000 5.0 in 3.6 in 3.3 in 14.5 oz 470 n Aug 2013 329i
 
Sony NEX-3N 4.3 in 2.4 in 1.4 in 9.5 oz 480 n Feb 2013 499i
 
Sony NEX-3 4.6 in 2.4 in 1.3 in 10.5 oz 330 n May 2010 599i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. 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 A5100 was launched at a markedly lower price (by 58 percent) than the E-30, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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. 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 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-30 features a Four Thirds sensor and the Sony A5100 an APS-C sensor. The sensor area in the A5100 is 63 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-30 has a native 4:3 aspect ratio, while the one in the A5100 offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Olympus E-30 and Sony A5100 sensor measures

With 24MP, the A5100 offers a higher resolution than the E-30 (12.2MP), but the A5100 has smaller individual pixels (pixel pitch of 3.91μm versus 4.29μm for the E-30). Yet, the A5100 is a much more recent model (by 5 years and 9 months) than the E-30, 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 A5100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A5100 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-30 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 A5100 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus E-30 has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Sony Alpha A5100 are ISO 100 to ISO 25600 (no boost).

E-30 versus A5100 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the A5100 offers substantially better image quality than the E-30 (overall score 25 points higher). The advantage is based on 2.5 bits higher color depth, 2.3 EV in additional dynamic range, and 1.3 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.

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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
 
Olympus E-30 Four Thirds 12.2 4032 3024none21.310.453055
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
 
Olympus E-450 Four Thirds 10.0 3648 2736none21.510.551256
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
 
Olympus E-3 Four Thirds 10.0 3648 2736none21.610.557156
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
 
Sony A5000 APS-C 19.8 5456 36321080/60i23.813.0108979
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068

Many modern cameras cannot only take still pictures, but also record videos. The A5100 indeed provides for movie recording, while the E-30 does not. The highest resolution format that the A5100 can use is 1080/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-30 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the A5100 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Olympus E-30, the Sony A5100, and comparable cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Olympus E-30optical Y 2.7 230 swivel n 1/8000s 5.0 Y Y
 
Sony A5100none n 3.0 922 tilting Y 1/4000s 6.0 Y n
 
Olympus E-450optical n 2.7 215 fixed n 1/4000s 3.5 Y n
 
Olympus E-600optical n 2.7 230 swivel n 1/4000s 4.0 Y Y
 
Olympus E-620optical n 2.7 230 swivel n 1/4000s 4.0 Y Y
 
Olympus E-P1none n 3.0 230 fixed n 1/4000s 3.0 n Y
 
Olympus E-P2optional n 3.0 230 fixed n 1/4000s 3.0 n Y
 
Olympus E-420optical n 2.7 215 fixed n 1/4000s 3.5 Y n
 
Olympus E-520optical n 2.7 215 fixed n 1/4000s 3.5 Y Y
 
Olympus E-3optical Y 2.5 230 swivel n 1/8000s 5.0 Y Y
 
Olympus E-410optical n 2.5 215 fixed n 1/4000s 3.0 Y n
 
Olympus E-510optical n 2.5 215 fixed n 1/4000s 3.0 Y Y
 
Sony A5000none n 3.0 461 tilting n 1/4000s 3.5 Y n
 
Sony A60001440 n 3.0 922 tilting n 1/4000s 11.0 Y n
 
Sony A3000202 n 3.0 230 fixed n 1/4000s 2.5 Y n
 
Sony NEX-3Noptional n 3.0 460 tilting n 1/4000s 4.0 Y n
 
Sony NEX-3optional n 3.0 920 tilting n 1/4000s 7.0 n n

One feature that is present on the E-30, but is missing on the A5100 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

The E-30 writes its imaging data to Compact Flash or xD Picture cards, while the A5100 uses SDXC or Memory Stick PRO Duo cards. The E-30 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A5100 only has one slot.

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-30 and Sony Alpha A5100 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Olympus E-30Y-----2.0---
 
Sony A5100-stereomono--micro2.0YY-
 
Olympus E-450Y-----2.0---
 
Olympus E-600Y-----2.0---
 
Olympus E-620Y-----2.0---
 
Olympus E-P1Ystereo---mini2.0---
 
Olympus E-P2Ystereo---mini2.0---
 
Olympus E-420Y-----2.0---
 
Olympus E-520Y-----2.0---
 
Olympus E-3Y-----2.0---
 
Olympus E-410Y-----2.0---
 
Olympus E-510Y-----2.0---
 
Sony A5000-stereomono--micro2.0YY-
 
Sony A6000Ystereomono--micro2.0YY-
 
Sony A3000Ystereomono--mini2.0---
 
Sony NEX-3N-stereomono--micro2.0---
 
Sony NEX-3Ystereomono--mini2.0---

It is notable that the E-30 has a hotshoe, while the A5100 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

The A5100 is a recent model that features in the current product line-up of Sony. In contrast, the E-30 has been discontinued (but can be found pre-owned on eBay). There has not been a direct replacement model for the E-30 from Olympus. 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 is the bottom line? Is the Olympus E-30 better than the Sony A5100 or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Olympus E-30:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Can take more shots (750 versus 400) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in November 2008).

ilogo

Reasons to prefer the Sony Alpha A5100:

  • More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 43%.
  • Better image quality: Scores substantially higher (25 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.5 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.3 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.
  • 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 (922k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (6 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (110x63mm vs 142x108mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 418g or 60 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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 affordable: Was introduced into a lower priced category (58 percent cheaper at launch).
  • More modern: Reflects 5 years and 9 months of technical progress since the E-30 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A5100 is the clear winner of the contest (18 : 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 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-30 09:18 A5100

How about other alternatives? Do the specifications of the Olympus E-30 and the Sony A5100 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-30 and the A5100 in practical situations. 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 following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Olympus E-30..71/1004.5/5..4/5 Nov 2008 1,299i
 
Sony A5100+..4.5/54.5/55/5 Aug 2014 549 i
 
Olympus E-450....4/5..4/5 Mar 2009 499i
 
Olympus E-600........4.5/5 Aug 2009 449i
 
Olympus E-62088/10072/1004.5/5o5/5 Feb 2009 699i
 
Olympus E-P1+66/1004/54/54.5/5 Jun 2009 799i
 
Olympus E-P2+69/1004/54.5/54.5/5 Nov 2009 799i
 
Olympus E-42085/100+ +4/5o4.5/5 Mar 2008 599i
 
Olympus E-52087/100+ +4.5/54/54.5/5 May 2008 699i
 
Olympus E-388/100+ +oo4/5 Oct 2007 1,699i
 
Olympus E-41086/100+ +4/5o4.5/5 Mar 2007 699i
 
Olympus E-51089/100+ +3.5/5o4.5/5 Mar 2007 799i
 
Sony A5000+..4.5/5o4.5/5 Jan 2014 449i
 
Sony A6000+80/1004.5/55/55/5 Feb 2014 599i
 
Sony A3000+..4/54.5/54/5 Aug 2013 329i
 
Sony NEX-3N....4.5/54/54.5/5 Feb 2013 499i
 
Sony NEX-3..70/1004.5/55/54/5 May 2010 599i
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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, 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.

Olympus E-30:
Check Ebay offers
Sony A5100:
Check Amazon price

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-30 vs Sony A5100

    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-30 Sony A5100
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Four Thirds lenses Sony E mount lenses
    Launch Date November 2008 August 2014
    Launch Price USD 1,299 USD 549
    Sensor Specs Olympus E-30 Sony A5100
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 12.2 Megapixels 24 Megapixels
    Image Resolution 4032 x 3024 pixels 6000 x 4000 pixels
    Pixel Pitch 4.29 μm 3.91 μm
    Pixel Density 5.42 MP/cm2 6.55 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
    Image Processor TruePic III+ BIONZ X
    DXO Sensor Quality (score) 55 80
    DXO Color Depth (bits) 21.3 23.8
    DXO Dynamic Range (EV) 10.4 12.7
    DXO Low Light (ISO) 530 1347
    Screen Specs Olympus E-30 Sony A5100
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.51x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 2.7inch 3.0inch
    LCD Resolution 230k dots 922k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-30 Sony A5100
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 5 shutter flaps/s 6 shutter flaps/s
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium CF or XD cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    Connectivity Specs Olympus E-30 Sony A5100
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Olympus E-30 Sony A5100
    Battery Type BLM-1 NP-FW50
    Battery Life (CIPA)750 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 142 x 108 x 75 mm
    (5.6 x 4.3 x 3.0 in)
    110 x 63 x 36 mm
    (4.3 x 2.5 x 1.4 in)
    Camera Weight 701 g (24.7 oz) 283 g (10.0 oz)

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