Olympus E-1 vs Pentax K-3
The Olympus E-1 and the Pentax K-3 are two digital cameras that were revealed to the public, respectively, in June 2003 and October 2013. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a Four Thirds (E-1) and an APS-C (K-3) sensor. The Olympus has a resolution of 4.9 megapixels, whereas the Pentax provides 24.1 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Olympus E-1||Pentax K-3|
|Digital single lens reflex||Digital single lens reflex|
|Four Thirds lenses||Pentax K mount lenses|
|4.9 MP, Four Thirds Sensor||24.1 MP, APS-C Sensor|
|no Video||1080/60i Video|
|ISO 100-800 (100-3200)||ISO 100-51200|
|Optical viewfinder||Optical viewfinder|
|1.8" LCD, 134k dots||3.2" LCD, 1037k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|3 shutter flaps per second||8.3 shutter flaps per second|
|Lens stabilization only||In-body stabilization|
|Weathersealed body||Weathersealed body|
|750 shots per battery charge||560 shots per battery charge|
|141 x 104 x 81 mm, 738 g||131 x 100 x 77 mm, 800 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-1 and the Pentax K-3? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
An illustration of the physical size and weight of the Olympus E-1 and the Pentax K-3 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.
The K-3 can be obtained in two different colors (black, silver), while the E-1 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 is notably smaller (11 percent) than the Olympus E-1. However, the K-3 is markedly heavier (8 percent) than the E-1. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.
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.
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, 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.
|Olympus E-1»||5.6 in||4.1 in||3.2 in||26.0 oz||750||Y||Jun 2003||1,699||-||Olympus E-1|
|Pentax K-3«||5.2 in||3.9 in||3.0 in||28.2 oz||560||Y||Oct 2013||1,299||-||Pentax K-3|
|Canon 6D Mark II« »||5.7 in||4.4 in||3.0 in||27.0 oz||1200||Y||Jun 2017||1,999||Canon 6D Mark II|
|Canon 7D« »||5.8 in||4.4 in||2.9 in||30.3 oz||800||Y||Sep 2009||1,699||-||Canon 7D|
|Leica Digilux 3« »||5.7 in||3.4 in||3.0 in||21.4 oz||750||n||Sep 2006||1,499||-||Leica Digilux 3|
|Nikon D500« »||5.8 in||4.5 in||3.2 in||30.3 oz||1240||Y||Jan 2016||1,999||Nikon D500|
|Nikon D610« »||5.6 in||4.4 in||3.2 in||30.0 oz||900||Y||Oct 2013||1,999||Nikon D610|
|Nikon D7000« »||5.2 in||4.1 in||3.0 in||27.5 oz||1050||Y||Sep 2010||1,499||-||Nikon D7000|
|Olympus E-5« »||5.6 in||4.6 in||3.0 in||30.8 oz||750||Y||Sep 2010||1,699||-||Olympus E-5|
|Olympus E-3« »||5.6 in||4.6 in||3.0 in||30.9 oz||750||Y||Oct 2007||1,699||-||Olympus E-3|
|Olympus E-330« »||5.5 in||3.4 in||2.8 in||22.5 oz||750||n||Jan 2006||999||-||Olympus E-330|
|Olympus E-300« »||5.8 in||3.3 in||2.5 in||22.0 oz||750||n||Sep 2004||799||-||Olympus E-300|
|Pentax KP« »||5.2 in||4.0 in||3.0 in||24.8 oz||390||Y||Jan 2017||1,099||Pentax KP|
|Pentax K-70« »||5.0 in||3.7 in||2.9 in||24.3 oz||410||Y||Jun 2016||649||Pentax K-70|
|Pentax K-3 II« »||5.2 in||3.9 in||3.0 in||28.2 oz||720||Y||Apr 2015||1,099||Pentax K-3 II|
|Pentax K-5« »||5.2 in||3.8 in||2.9 in||26.8 oz||740||Y||Sep 2010||1,099||-||Pentax K-5|
|Sony A77« »||5.6 in||4.1 in||3.2 in||25.8 oz||470||Y||Aug 2011||1,399||-||Sony A77|
|Note: Measurements and pricing do not include easily detachable parts, such as 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 K-3 was launched at a somewhat lower price (by 24 percent) than the E-1, which makes it more attractive for photographers on a tight budget. 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.
The size of the sensor inside a digital camera is one of the key determinants 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 more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Olympus E-1 features a Four Thirds sensor and the Pentax K-3 an APS-C sensor. The sensor area in the K-3 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-1 has a native 4:3 aspect ratio, while the one in the K-3 offers a 3:2 aspect.
With 24.1MP, the K-3 offers a higher resolution than the E-1 (4.9MP), but the K-3 has smaller individual pixels (pixel pitch of 3.90μm versus 6.78μm for the E-1). Yet, the K-3 is a much more recent model (by 10 years and 3 months) than the E-1, 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 K-3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Pentax K-3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 for good quality output (200 dots per inch) amounts to 30.1 x 20 inch or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inch or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inch or 50.9 x 33.9 cm. The corresponding values for the Olympus E-1 are 12.8 x 9.6 inch or 32.5 x 24.4 cm for good quality, 10.2 x 7.7 inch or 26 x 19.5 cm for very good quality, and 8.5 x 6.4 inch or 21.7 x 16.3 cm for excellent quality prints.
The Olympus E-1 has a native sensitivity range from ISO 100 to ISO 800, which can be extended to ISO 100-3200. The corresponding ISO settings for the Pentax K-3 are ISO 100 to ISO 51200 (no boost).
For many cameras, data on sensor performance has been reported by DXO Mark. 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"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|Olympus E-1»||Four Thirds||4.9||2560||1920||-||-||-||-||-||Olympus E-1|
|Pentax K-3«||APS-C||24.1||6016||4000||1080/60i||23.7||13.4||1216||80||Pentax K-3|
|Canon 6D Mark II« »||Full Frame||26.0||6240||4160||1080/60p||24.4||11.9||2862||85||Canon 6D Mark II|
|Canon 7D« »||APS-C||17.9||5184||3456||1080/30p||22.0||11.7||854||66||Canon 7D|
|Leica Digilux 3« »||Four Thirds||7.4||3136||2352||-||-||-||-||-||Leica Digilux 3|
|Nikon D500« »||APS-C||20.7||5568||3712||4K/30p||24.0||14.0||1324||83||Nikon D500|
|Nikon D610« »||Full Frame||24.2||6016||4016||1080/30p||25.1||14.4||2925||94||Nikon D610|
|Nikon D7000« »||APS-C||16.1||4928||3264||10800/24p||23.5||13.9||1167||80||Nikon D7000|
|Olympus E-5« »||Four Thirds||12.2||4032||3024||720/30p||21.6||10.5||519||56||Olympus E-5|
|Olympus E-3« »||Four Thirds||10.0||3648||2736||-||21.6||10.5||571||56||Olympus E-3|
|Olympus E-330« »||Four Thirds||7.4||3136||2352||-||-||-||-||-||Olympus E-330|
|Olympus E-300« »||Four Thirds||8.0||3264||2448||-||-||-||-||-||Olympus E-300|
|Pentax KP« »||APS-C||24.1||6016||4000||1080/60i||-||-||-||-||Pentax KP|
|Pentax K-70« »||APS-C||24.0||6000||4000||1080/60i||-||-||-||-||Pentax K-70|
|Pentax K-3 II« »||APS-C||24.1||6016||4000||1080/60i||23.6||13.6||1106||80||Pentax K-3 II|
|Pentax K-5« »||APS-C||16.1||4928||3264||1080/25p||23.7||14.1||1162||82||Pentax K-5|
|Sony A77« »||APS-C||24.0||6000||4000||1080/60p||24.0||13.2||801||78||Sony A77|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The K-3 indeed provides for movie recording, while the E-1 does not. The highest resolution format that the K-3 can use is 1080/60i.
Beyond body and sensor, cameras can and do differ across a range of features. The E-1 and the K-3 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the K-3 has a higher magnification than the one of the E-1 (0.63x vs 0.48x), 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-1 and Pentax K-3 in connection with corresponding information for a sample of similar cameras.
|Olympus E-1»||optical||Y||1.8||134||fixed||n||1/4000s||3.0||n||n||Olympus E-1|
|Pentax K-3«||optical||Y||3.2||1037||fixed||n||1/8000s||8.3||Y||Y||Pentax K-3|
|Canon 6D Mark II« »||optical||Y||3.0||1040||swivel||Y||1/4000s||6.5||n||n||Canon 6D Mark II|
|Canon 7D« »||optical||Y||3.0||920||fixed||n||1/8000s||8.0||Y||n||Canon 7D|
|Leica Digilux 3« »||optical||n||2.5||207||fixed||n||1/4000s||3.0||Y||n||Leica Digilux 3|
|Nikon D500« »||optical||Y||3.2||2359||tilting||Y||1/8000s||10.0||n||n||Nikon D500|
|Nikon D610« »||optical||Y||3.2||921||fixed||n||1/4000s||6.0||Y||n||Nikon D610|
|Nikon D7000« »||optical||Y||3.0||921||fixed||n||1/8000s||6.0||Y||n||Nikon D7000|
|Olympus E-5« »||optical||Y||3.0||920||swivel||n||1/8000s||5.0||Y||Y||Olympus E-5|
|Olympus E-3« »||optical||Y||2.5||230||swivel||n||1/8000s||5.0||Y||Y||Olympus E-3|
|Olympus E-330« »||optical||n||2.5||215||tilting||n||1/4000s||3.0||Y||n||Olympus E-330|
|Olympus E-300« »||optical||n||1.8||134||fixed||n||1/4000s||2.5||Y||n||Olympus E-300|
|Pentax KP« »||optical||n||3.0||921||tilting||n||1/6000s||7.0||Y||Y||Pentax KP|
|Pentax K-70« »||optical||n||3.0||921||swivel||n||1/6000s||6.0||Y||Y||Pentax K-70|
|Pentax K-3 II« »||optical||Y||3.2||1037||fixed||n||1/8000s||8.3||n||Y||Pentax K-3 II|
|Pentax K-5« »||optical||Y||3.0||921||fixed||n||1/8000s||7.0||Y||Y||Pentax K-5|
|Sony A77« »||2359||Y||3.0||921||full-flex||n||1/8000s||12.0||Y||Y||Sony A77|
One feature that differentiates the K-3 and the E-1 is in-body image stabilization (IBIS). The K-3 reduces the risk of handshake-induced blur with all attached lenses, while the E-1 has to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.
The Pentax K-3 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-1 writes its imaging data to Compact Flash or xD Picture cards, while the K-3 uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.
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-1 and Pentax K-3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Olympus E-1»||Y||-||-||-||-||-||2.0||-||-||-||Olympus E-1|
|Pentax K-3«||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Pentax K-3|
|Canon 6D Mark II« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon 6D Mark II|
|Canon 7D« »||Y||mono||-||Y||-||mini||2.0||-||-||-||Canon 7D|
|Leica Digilux 3« »||Y||stereo||mono||-||-||-||2.0||-||-||-||Leica Digilux 3|
|Nikon D500« »||Y||stereo||mono||Y||Y||mini||3.0||Y||Y||Y||Nikon D500|
|Nikon D610« »||Y||mono||mono||Y||Y||mini||2.0||-||-||-||Nikon D610|
|Nikon D7000« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Nikon D7000|
|Olympus E-5« »||Y||stereo||-||-||-||mini||2.0||-||-||-||Olympus E-5|
|Olympus E-3« »||Y||-||-||-||-||-||2.0||-||-||-||Olympus E-3|
|Olympus E-330« »||Y||-||-||-||-||-||2.0||-||-||-||Olympus E-330|
|Olympus E-300« »||Y||-||-||-||-||-||2.0||-||-||-||Olympus E-300|
|Pentax KP« »||Y||stereo||mono||Y||-||-||2.0||Y||-||-||Pentax KP|
|Pentax K-70« »||Y||stereo||mono||Y||-||mini||2.0||Y||-||-||Pentax K-70|
|Pentax K-3 II« »||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Pentax K-3 II|
|Pentax K-5« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Pentax K-5|
|Sony A77« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Sony A77|
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Both the E-1 and the K-3 have been discontinued, but can regularly be found used on eBay. The E-1 was replaced by the Olympus E-3, while the K-3 was followed by the Pentax K-3 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 Pentax websites.
So what is the bottom line? Is there a clear favorite between the Olympus E-1 and the Pentax K-3? Which camera is better? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Olympus E-1:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Longer lasting: Can take more shots (750 versus 560) on a single battery charge.
- More heavily discounted: Has been available for much longer (launched in June 2003).
Advantages of the Pentax K-3:
- More detail: Has more megapixels (24.1 vs 4.9MP), which boosts linear resolution by 126%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Is equipped with a larger and more technologically advanced sensor.
- Richer colors: The sensor size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
- Broader imaging potential: Can capture not only stills but also 1080/60i video.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x vs 0.48x).
- Larger screen: Has a bigger rear LCD (3.2" vs 1.8") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1037k vs 134k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (8.3 vs 3 flaps/sec) to capture the decisive moment.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More compact: Is smaller (131x100mm vs 141x104mm) and will fit more readily into a bag.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
- More affordable: Was released into a lower priced segment (24 percent cheaper at launch).
- More modern: Reflects 10 years and 3 months of technical progress since the E-1 launch.
If the number of relative strengths (bullet points above) is taken as a guide, the K-3 is the clear winner of the contest (19 : 3 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro 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-1 and the Pentax K-3 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the E-1 and the K-3 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (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.
|Olympus E-1»||-||+||o||o||-||Jun 2003||1,699||-||Olympus E-1|
|Pentax K-3«||-||83/100||5/5||4.5/5||5/5||Oct 2013||1,299||-||Pentax K-3|
|Canon 6D Mark II« »||+||80/100||4.5/5||4/5||4/5||Jun 2017||1,999||Canon 6D Mark II|
|Canon 7D« »||+ +||84/100||4.5/5||5/5||4.5/5||Sep 2009||1,699||-||Canon 7D|
|Leica Digilux 3« »||-||-||-||-||-||Sep 2006||1,499||-||Leica Digilux 3|
|Nikon D500« »||+ +||91/100||4.5/5||5/5||5/5||Jan 2016||1,999||Nikon D500|
|Nikon D610« »||+ +||87/100||4.5/5||4.5/5||4.5/5||Oct 2013||1,999||Nikon D610|
|Nikon D7000« »||-||80/100||4.5/5||5/5||4.5/5||Sep 2010||1,499||-||Nikon D7000|
|Olympus E-5« »||-||75/100||4/5||-||4.5/5||Sep 2010||1,699||-||Olympus E-5|
|Olympus E-3« »||88/100||+ +||o||o||4/5||Oct 2007||1,699||-||Olympus E-3|
|Olympus E-330« »||-||+||o||3.5/5||-||Jan 2006||999||-||Olympus E-330|
|Olympus E-300« »||-||+||o||o||4.5/5||Sep 2004||799||-||Olympus E-300|
|Pentax KP« »||-||82/100||5/5||-||4.5/5||Jan 2017||1,099||Pentax KP|
|Pentax K-70« »||-||79/100||4.5/5||4/5||4.5/5||Jun 2016||649||Pentax K-70|
|Pentax K-3 II« »||-||-||5/5||4.5/5||5/5||Apr 2015||1,099||Pentax K-3 II|
|Pentax K-5« »||-||83/100||5/5||4.5/5||4.5/5||Sep 2010||1,099||-||Pentax K-5|
|Sony A77« »||91/100||81/100||-||4.5/5||5/5||Aug 2011||1,399||-||Sony A77|
|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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 400D vs Pentax K-3
- Canon M50 vs Pentax K-3
- Canon SL1 vs Pentax K-3 II
- Nikon D2Xs vs Pentax K-3
- Nikon D5600 vs Pentax K-3 II
- Olympus XZ-1 vs Pentax K-3
- Pentax K-3 II vs Pentax Q
- Pentax K-3 II vs Ricoh GR II
- Pentax K-3 II vs Sony A6500
- Pentax K-3 II vs Sony A900
- Pentax K-3 II vs Sony RX0 II
- Pentax K-3 II vs Sony RX10 III
Specifications: Olympus E-1 vs Pentax K-3
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-1||Pentax K-3|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Four Thirds lenses||Pentax K mount lenses|
|Launch Date||June 2003||October 2013|
|Launch Price||USD 1699||USD 1299|
|Sensor Specs||Olympus E-1||Pentax K-3|
|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|
|Sensor Resolution||4.9 Megapixels||24.1 Megapixels|
|Image Resolution||2560 x 1920 pixels||6016 x 4000 pixels|
|Pixel Pitch||6.78 μm||3.90 μm|
|Pixel Density||2.19 MP/cm2||6.56 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||no Video||1080/60i Video|
|ISO Setting||100-800 ISO||100-51200 ISO|
|ISO Boost||100-3200 ISO||no Enhancement|
|Image Processor||TruePic||PRIME III|
|DXO Sensor Quality (score)||..||80|
|DXO Color Depth (bits)||..||23.7|
|DXO Dynamic Range (EV)||..||13.4|
|DXO Low Light (ISO)||..||1216|
|Screen Specs||Olympus E-1||Pentax K-3|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||100%|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View|
|Rear LCD Size||1.8 inch||3.2 inch|
|LCD Resolution||134k dots||1037k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Olympus E-1||Pentax K-3|
|Autofocus System||Phase-detect AF||Phase-detect AF|
|Manual Focusing Aid||No Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000/s||1/8000/s|
|Continuous Shooting||3 shutter flaps/s||8.3 shutter flaps/s|
|Shutter Life Expectancy||150 000 actuations||200 000 actuations|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||no On-Board Flash||Build-in Flash|
|Storage Medium||CF or XD cards||SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|Connectivity Specs||Olympus E-1||Pentax K-3|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 2.0||USB 3.0|
|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|
|Body Specs||Olympus E-1||Pentax K-3|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||750 shots per charge||560 shots per charge|
141 x 104 x 81 mm
(5.6 x 4.1 x 3.2 in)
131 x 100 x 77 mm
(5.2 x 3.9 x 3.0 in)
|Camera Weight||738 g (26.0 oz)||800 g (28.2 oz)|
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