Nikon D100 vs Olympus E-PL9
The Nikon D100 and the Olympus PEN E-PL9 are two digital cameras that were announced, respectively, in February 2002 and February 2018. The D100 is a DSLR, while the E-PL9 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D100) and a Four Thirds (E-PL9) sensor. The Nikon has a resolution of 6 megapixels, whereas the Olympus provides 15.9 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 Nikon D100 and the Olympus PEN E-PL9? 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 Nikon D100 and the Olympus E-PL9 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 dimensions are rounded to the nearest millimeter.
The E-PL9 can be obtained in four different colors (black, brown, blue, white), while the D100 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 Olympus E-PL9 is considerably smaller (52 percent) than the Nikon D100. Moreover, the E-PL9 is substantially lighter (51 percent) than the D100. In this context, it is worth noting that neither the D100 nor the E-PL9 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 Nikon Lens Catalog (D100) and the Micro Four Thirds Lens Catalog (E-PL9). Mirrorless cameras, such as the E-PL9, 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.
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.
|1.||Nikon D100||144 mm||116 mm||81 mm||780 g||370||n||Feb 2002||1,999||ebay.com|
|2.||Olympus E-PL9||117 mm||68 mm||39 mm||380 g||350||n||Feb 2018||599||ebay.com|
|3.||Canon 10D||150 mm||107 mm||75 mm||850 g||500||n||Feb 2003||1,999||ebay.com|
|4.||Nikon D500||147 mm||115 mm||81 mm||860 g||1240||Y||Jan 2016||1,999||amazon.com|
|5.||Nikon D300S||147 mm||115 mm||81 mm||938 g||950||Y||Jul 2009||1,799||ebay.com|
|6.||Nikon D90||132 mm||103 mm||77 mm||703 g||850||n||Aug 2008||1,299||ebay.com|
|7.||Nikon D300||147 mm||114 mm||74 mm||925 g||1000||Y||Aug 2007||1,799||ebay.com|
|8.||Nikon D40||124 mm||94 mm||64 mm||522 g||470||n||Nov 2006||499||ebay.com|
|9.||Nikon D80||132 mm||103 mm||77 mm||668 g||600||n||Aug 2006||999||ebay.com|
|10.||Nikon D70s||140 mm||111 mm||78 mm||679 g||500||n||Apr 2005||899||ebay.com|
|11.||Nikon D200||147 mm||113 mm||74 mm||920 g||400||Y||Nov 2005||1,699||ebay.com|
|12.||Nikon D70||140 mm||111 mm||78 mm||679 g||400||n||Jan 2004||999||ebay.com|
|13.||Olympus E-PL10||117 mm||68 mm||39 mm||380 g||350||n||Oct 2019||599||amazon.com|
|14.||Olympus E-M10 III||122 mm||84 mm||50 mm||410 g||330||n||Aug 2017||649||ebay.com|
|15.||Olympus E-PL8||115 mm||67 mm||38 mm||357 g||350||n||Sep 2016||549||ebay.com|
|16.||Olympus E-PL7||115 mm||67 mm||38 mm||357 g||350||n||Aug 2014||599||ebay.com|
|17.||Olympus E-PL6||111 mm||64 mm||38 mm||325 g||360||n||May 2013||599||ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-PL9 was launched at a markedly lower price (by 70 percent) than the D100, 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.
The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 Nikon D100 features an APS-C sensor and the Olympus E-PL9 a Four Thirds sensor. The sensor area in the E-PL9 is 39 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D100 has a native 3:2 aspect ratio, while the one in the E-PL9 offers a 4:3 aspect.
Despite having a smaller sensor, the E-PL9 offers a higher resolution of 15.9 megapixels, compared with 6 MP of the D100. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 7.85μm for the D100). However, it should be noted that the E-PL9 is much more recent (by 15 years and 11 months) than the D100, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.
The resolution advantage of the Olympus E-PL9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-PL9 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. The corresponding values for the Nikon D100 are 15 x 10 inches or 38.2 x 25.4 cm for good quality, 12 x 8 inches or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inches or 25.5 x 16.9 cm for excellent quality prints.
The Nikon D100 has a native sensitivity range from ISO 200 to ISO 800, which can be extended to ISO 200-1600. The corresponding ISO settings for the Olympus PEN E-PL9 are ISO 200 to ISO 6400, with the possibility to increase the ISO range to 100-25600.
In terms of underlying technology, the D100 is build around a CCD sensor, while the E-PL9 uses a 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"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|2.||Olympus E-PL9||Four Thirds||15.9||4608||3456||4K/30p||23.1||12.8||1162||74|
|13.||Olympus E-PL10||Four Thirds||15.9||4608||3456||4K/30p||23.3||13.1||1324||76|
|14.||Olympus E-M10 III||Four Thirds||15.9||4608||3456||4K/30p||23.1||12.8||1120||74|
|15.||Olympus E-PL8||Four Thirds||15.9||4608||3456||1080/30p||23.0||12.6||1030||73|
|16.||Olympus E-PL7||Four Thirds||15.9||4608||3456||1080/30p||22.7||12.4||873||72|
|17.||Olympus E-PL6||Four Thirds||15.9||4608||3456||1080/30p||22.5||12.0||717||68|
|Note: DXO values in italics represent estimates based on sensor size and age.|
Many modern cameras are not only capable of taking still images, but can also record movies. The E-PL9 indeed provides for movie recording, while the D100 does not. The highest resolution format that the E-PL9 can use is 4K/30p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the D100 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-PL9 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Nikon D100, the Olympus E-PL9, and comparable cameras.
|1.||Nikon D100||optical||Y||1.8 / 118||fixed||n||1/4000s||3.0/s||Y||n|
|2.||Olympus E-PL9||none||n||3.0 / 1040||tilting||Y||1/4000s||8.6/s||Y||Y|
|3.||Canon 10D||optical||Y||1.8 / 118||fixed||n||1/4000s||3.0/s||Y||n|
|4.||Nikon D500||optical||Y||3.2 / 2359||tilting||Y||1/8000s||10.0/s||n||n|
|5.||Nikon D300S||optical||Y||3.0 / 920||fixed||n||1/8000s||7.0/s||Y||n|
|6.||Nikon D90||optical||Y||3.0 / 920||fixed||n||1/4000s||4.5/s||Y||n|
|7.||Nikon D300||optical||Y||3.0 / 922||fixed||n||1/8000s||6.0/s||Y||n|
|8.||Nikon D40||optical||n||2.5 / 230||fixed||n||1/4000s||2.5/s||Y||n|
|9.||Nikon D80||optical||n||2.5 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|10.||Nikon D70s||optical||n||2.0 / 130||fixed||n||1/8000s||3.0/s||Y||n|
|11.||Nikon D200||optical||Y||2.5 / 230||fixed||n||1/8000s||5.0/s||Y||n|
|12.||Nikon D70||optical||n||1.8 / 130||fixed||n||1/8000s||3.0/s||Y||n|
|13.||Olympus E-PL10||none||n||3.0 / 1040||tilting||Y||1/4000s||8.6/s||Y||Y|
|14.||Olympus E-M10 III||2360||n||3.0 / 1040||tilting||Y||1/4000s||8.6/s||Y||Y|
|15.||Olympus E-PL8||optional||n||3.0 / 1037||tilting||Y||1/4000s||8.0/s||n||Y|
|16.||Olympus E-PL7||optional||n||3.0 / 1037||tilting||Y||1/4000s||8.0/s||n||Y|
|17.||Olympus E-PL6||optional||n||3.0 / 460||tilting||Y||1/4000s||8.0/s||n||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One feature that is present on the D100, but is missing on the E-PL9 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.The E-PL9 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 D100 does not have a selfie-screen.
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 E-PL9 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 Olympus E-PL9 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 D100 writes its imaging data to Compact Flash cards, while the E-PL9 uses SDXC cards.
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 Nikon D100 and Olympus PEN E-PL9 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Nikon D100||Y||- / -||-||-||-||1.1||-||-||-|
|2.||Olympus E-PL9||Y||stereo / mono||-||-||micro||2.0||Y||-||Y|
|3.||Canon 10D||Y||- / -||-||-||-||1.1||-||-||-|
|4.||Nikon D500||Y||stereo / mono||Y||Y||mini||3.0||Y||Y||Y|
|5.||Nikon D300S||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|6.||Nikon D90||Y||mono / mono||-||-||mini||2.0||-||-||-|
|7.||Nikon D300||Y||- / -||-||-||mini||2.0||-||-||-|
|8.||Nikon D40||Y||- / -||-||-||-||2.0||-||-||-|
|9.||Nikon D80||Y||- / -||-||-||-||2.0||-||-||-|
|10.||Nikon D70s||Y||- / -||-||-||-||2.0||-||-||-|
|11.||Nikon D200||Y||- / -||-||-||-||2.0||-||-||-|
|12.||Nikon D70||Y||- / -||-||-||-||1.0||-||-||-|
|13.||Olympus E-PL10||Y||stereo / mono||-||-||micro||2.0||Y||-||Y|
|14.||Olympus E-M10 III||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|15.||Olympus E-PL8||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|16.||Olympus E-PL7||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|17.||Olympus E-PL6||Y||stereo / mono||-||-||mini||2.0||-||-||-|
It is notable that the E-PL9 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D100 does not provide wifi capability.
Both the D100 and the E-PL9 have been discontinued, but can regularly be found used on ebay. The D100 was replaced by the Nikon D200, while the E-PL9 was followed by the Olympus E-PL10. Further information on the features and operation of the D100 and E-PL9 can be found, respectively, in the Nikon D100 Manual (free pdf) or the online Olympus E-PL9 Manual.
So what conclusions can be drawn? Which of the two cameras – the Nikon D100 or the Olympus E-PL9 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Nikon D100:
- 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 heavily discounted: Has been available for much longer (launched in February 2002).
Arguments in favor of the Olympus PEN E-PL9:
- More detail: Has more megapixels (15.9 vs 6MP), which boosts linear resolution by 59%.
- Broader imaging potential: Can capture not only stills but also 4K/30p video.
- Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1040k vs 118k 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.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (8.6 vs 3 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.
- More compact: Is smaller (117x68mm vs 144x116mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 400g or 51 percent) and is thus easier to take along.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.1).
- 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.
- More affordable: Was introduced into a lower priced category (70 percent cheaper at launch).
- More modern: Reflects 15 years and 11 months of technical progress since the D100 launch.
If the count of individual advantages (bullet points above) is taken as a guide, the E-PL9 is the clear winner of the contest (19 : 3 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Nikon D100 and the Olympus E-PL9 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 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 D100 and the E-PL9 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.
This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|1.||Nikon D100||..||..||..||+ +||o||..||Feb 2002||1,999||ebay.com|
|2.||Olympus E-PL9||..||+||..||..||4.5/5||4/5||Feb 2018||599||ebay.com|
|3.||Canon 10D||..||..||..||+ +||..||..||Feb 2003||1,999||ebay.com|
|4.||Nikon D500||5/5||+ +||4.7/5||91/100||4.5/5||5/5||Jan 2016||1,999||amazon.com|
|5.||Nikon D300S||5/5||+ +||..||82/100||4/5||4.5/5||Jul 2009||1,799||ebay.com|
|6.||Nikon D90||..||+ +||..||+ +||4/5||4.5/5||Aug 2008||1,299||ebay.com|
|7.||Nikon D300||..||+ +||..||+ +||5/5||4.5/5||Aug 2007||1,799||ebay.com|
|8.||Nikon D40||..||81/100||..||+ +||o||4.5/5||Nov 2006||499||ebay.com|
|9.||Nikon D80||..||+||..||+ +||o||4.5/5||Aug 2006||999||ebay.com|
|10.||Nikon D70s||..||..||..||..||..||5/5||Apr 2005||899||ebay.com|
|11.||Nikon D200||..||+ +||..||+ +||o||..||Nov 2005||1,699||ebay.com|
|12.||Nikon D70||..||..||..||+ +||..||..||Jan 2004||999||ebay.com|
|13.||Olympus E-PL10||..||..||4/5||77/100||..||4/5||Oct 2019||599||amazon.com|
|14.||Olympus E-M10 III||..||+||5/5||80/100||4.5/5||4.5/5||Aug 2017||649||ebay.com|
|15.||Olympus E-PL8||..||..||..||..||4.5/5||4/5||Sep 2016||549||ebay.com|
|16.||Olympus E-PL7||4/5||+||..||..||5/5||4/5||Aug 2014||599||ebay.com|
|17.||Olympus E-PL6||..||..||..||..||..||..||May 2013||599||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The review scores listed above should be treated 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.
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.
- Canon 1D Mark II vs Olympus E-PL9
- Canon 7D II vs Nikon D100
- Canon T7 vs Olympus E-PL9
- Fujifilm XP140 vs Nikon D100
- Leica S3 vs Nikon D100
- Leica V-LUX 3 vs Nikon D100
- Nikon D100 vs Panasonic G10
- Nikon D100 vs Panasonic LX100 II
- Nikon D200 vs Olympus E-PL9
- Nikon D750 vs Olympus E-PL9
- Nikon Z6 vs Olympus E-PL9
- Olympus E-PL9 vs Pentax K-70
Specifications: Nikon D100 vs Olympus E-PL9
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||Nikon D100||Olympus E-PL9|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Nikon F mount lenses||Micro Four Thirds lenses|
|Launch Date||February 2002||February 2018|
|Launch Price||USD 1,999||USD 599|
|Sensor Specs||Nikon D100||Olympus E-PL9|
|Sensor Format||APS-C Sensor||Four Thirds Sensor|
|Sensor Size||23.7 x 15.6 mm||17.3 x 13.0 mm|
|Sensor Area||369.72 mm2||224.9 mm2|
|Sensor Diagonal||28.4 mm||21.6 mm|
|Sensor Resolution||6 Megapixels||15.9 Megapixels|
|Image Resolution||3008 x 2000 pixels||4608 x 3456 pixels|
|Pixel Pitch||7.85 μm||3.76 μm|
|Pixel Density||1.63 MP/cm2||7.08 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||no Video||4K/30p Video|
|ISO Setting||200 - 800 ISO||200 - 6,400 ISO|
|ISO Boost||200 - 1,600 ISO||100 - 25,600 ISO|
|Screen Specs||Nikon D100||Olympus E-PL9|
|Viewfinder Type||Optical viewfinder||no viewfinder|
|Viewfinder Field of View||95%|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View|
|Rear LCD Size||1.8inch||3.0inch|
|LCD Resolution||118k dots||1040k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Nikon D100||Olympus E-PL9|
|Focus System||Phase-detect AF||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/4000s|
|Continuous Shooting||3 shutter flaps/s||8.6 shutter flaps/s|
|Electronic Shutter||no E-Shutter||up to 1/16000s|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Built-in Flash||Built-in Flash|
|Storage Medium||CF cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|Connectivity Specs||Nikon D100||Olympus E-PL9|
|USB Connector||USB 1.1||USB 2.0|
|HDMI Port||no HDMI||micro HDMI|
|Wifi Support||no Wifi||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Nikon D100||Olympus E-PL9|
|Battery Life (CIPA)||370 shots per charge||350 shots per charge|
144 x 116 x 81 mm
(5.7 x 4.6 x 3.2 in)
117 x 68 x 39 mm
(4.6 x 2.7 x 1.5 in)
|Camera Weight||780 g (27.5 oz)||380 g (13.4 oz)|
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