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Olympus E-P1 vs Nikon D750

The Olympus PEN E-P1 and the Nikon D750 are two enthusiast cameras that were officially introduced, respectively, in June 2009 and September 2014. The E-P1 is a mirrorless interchangeable lens camera, while the D750 is a DSLR. The cameras are based on a Four Thirds (E-P1) and a full frame (D750) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Nikon provides 24.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Olympus E-P1
versus
Nikon D750
Olympus E-P1   Nikon D750
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Nikon F mount lenses
12.2 MP – Four Thirds sensor 24.2 MP – Full Frame sensor
720/30p Video 1080/60p Video
ISO 100-6,400 ISO 100-12,800 (50 - 51,200)
No viewfinder, LCD framing Optical viewfinder
3.0" LCD – 230k dots 3.2" LCD – 1229k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
3 shutter flaps per second 6 shutter flaps per second
In-body stabilizationLens stabilization only
not weather sealedWeathersealed body
300 shots per battery charge1230 shots per battery charge
121 x 70 x 36 mm, 355 g 141 x 113 x 78 mm, 750 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P1 and the Nikon D750? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Olympus E-P1 and the Nikon D750. 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 E-P1 can be obtained in three different colors (black, silver, white), while the D750 is only available in black.

Size Olympus E-P1 vs Nikon D750
Compare E-P1 versus D750 top
Comparison E-P1 or D750 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D750 is considerably larger (88 percent) than the Olympus E-P1. Moreover, the D750 is substantially heavier (111 percent) than the E-P1. It is noteworthy in this context that the D750 is splash and dust-proof, while the E-P1 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 Micro Four Thirds Lens Catalog (E-P1) and the Nikon Lens Catalog (D750). Mirrorless cameras, such as the Olympus E-P1, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the E-P1 gets 300 shots out of its Olympus BLS-1 battery, while the D750 can take 1230 images on a single charge of its Nikon EN-EL15 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
2.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299ebay.com
3.
 
Nikon D780 144 mm 116 mm 76 mm 840 g 2260 Y Jan 2020 2,299 amazon.com
4.
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749ebay.com
5.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999ebay.com
6.
 
Nikon D600 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099ebay.com
7.
 
Nikon D700 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 2,999ebay.com
8.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
9.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
10.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
11.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
12.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 699ebay.com
13.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
14.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 699ebay.com
15.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
16.
 
Panasonic GF1 119 mm 71 mm 36 mm 385 g 380 n Sep 2009 749ebay.com
17.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 899ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The E-P1 was launched at a markedly lower price (by 65 percent) than the D750, 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 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. 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus E-P1 features a Four Thirds sensor and the Nikon D750 a full frame sensor. The sensor area in the D750 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-P1 has a native 4:3 aspect ratio, while the one in the D750 offers a 3:2 aspect.

Olympus E-P1 and Nikon D750 sensor measures

With 24.2MP, the D750 offers a higher resolution than the E-P1 (12.2MP), but the D750 nevertheless has larger individual pixels (pixel pitch of 5.97μm versus 4.29μm for the E-P1) due to its larger sensor. Moreover, the D750 is a much more recent model (by 5 years and 2 months) than the E-P1, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Nikon D750 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D750 for good quality output (200 dots per inch) amounts to 30.1 x 20.1 inches or 76.4 x 51 cm, for very good quality (250 dpi) 24.1 x 16.1 inches or 61.1 x 40.8 cm, and for excellent quality (300 dpi) 20.1 x 13.4 inches or 50.9 x 34 cm. The corresponding values for the Olympus E-P1 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 Olympus PEN E-P1 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Nikon D750 are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 50-51200.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

E-P1 versus D750 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 D750 offers substantially better image quality than the E-P1 (overall score 38 points higher). The advantage is based on 3.4 bits higher color depth, 4.1 EV in additional dynamic range, and 2.5 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
2.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
3.
 
Nikon D780 Full Frame 24.3 6048 40244K/30p25.314.3287795
4.
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989
5.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
6.
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094
7.
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380
8.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
9.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
10.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
11.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
12.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
13.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
14.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
15.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
16.
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354
17.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the D750 provides a better video resolution than the E-P1. It can shoot movie footage at 1080/60p, while the Olympus is limited to 720/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the D750 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-P1 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Olympus E-P1 and Nikon D750 along with similar information for a selection of comparators.

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Core Features
# image 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-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
2.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
3.
 
Nikon D780optical Y3.2 / 2359 tilting Y 1/8000s 12.0/s n n
4.
 
Nikon Dfoptical Y3.2 / 921 fixed n 1/4000s 5.5/s n n
5.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0/s Y n
6.
 
Nikon D600optical Y3.0 / 921 fixed n 1/4000s 5.5/s Y n
7.
 
Nikon D700optical Y3.0 / 922 fixed n 1/8000s 8.0/s Y n
8.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
9.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
10.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
11.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
12.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
13.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
14.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
15.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
16.
 
Panasonic GF1optional n3.0 / 460 fixed n 1/4000s 3.0/s Y n
17.
 
Panasonic GH11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that differentiates the E-P1 and the D750 is in-body image stabilization (IBIS). The E-P1 reduces the risk of handshake-induced blur with all attached lenses, while the D750 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The Nikon D750 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-P1 writes its imaging data to SDHC cards, while the D750 uses SDXC cards. The D750 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-P1 only has one slot. The D750 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the E-P1 cannot take advantage of Ultra High Speed SD cards.

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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 PEN E-P1 and Nikon D750 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-P1Ystereo / ---mini2.0---
2.
 
Nikon D750Ystereo / monoYYmini2.0Y--
3.
 
Nikon D780Ystereo / monoYYmini3.1Y-Y
4.
 
Nikon DfY- / ---mini2.0---
5.
 
Nikon D610Ymono / monoYYmini2.0---
6.
 
Nikon D600Ymono / monoYYmini2.0---
7.
 
Nikon D700Y- / ---mini2.0---
8.
 
Olympus E-P3Ystereo / ---mini2.0---
9.
 
Olympus E-PL2Ystereo / ---mini2.0---
10.
 
Olympus E-PL3Ystereo / ---mini2.0---
11.
 
Olympus E-PL1Ystereo / ---mini2.0---
12.
 
Olympus E-620Y- / ----2.0---
13.
 
Olympus E-P2Ystereo / ---mini2.0---
14.
 
Olympus E-520Y- / ----2.0---
15.
 
Panasonic G10Ymono / ---mini2.0---
16.
 
Panasonic GF1Ymono / mono--mini2.0---
17.
 
Panasonic GH1Ystereo / -Y-mini2.0---
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It is notable that the D750 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-P1 does not provide wifi capability.

Studio photographers will appreciate that the Nikon D750 (unlike the E-P1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-P1 and the D750 have been discontinued, but can regularly be found used on ebay. The E-P1 was replaced by the Olympus E-P2, while the D750 was followed by the Nikon D780. Further information on the features and operation of the E-P1 and D750 can be found, respectively, in the Olympus E-P1 Manual (free pdf) or the online Nikon D750 Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Olympus E-P1 and the Nikon D750? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Olympus PEN E-P1:

  • More compact: Is smaller (121x70mm vs 141x113mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 395g or 53 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (65 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in June 2009).

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Arguments in favor of the Nikon D750:

  • More detail: Has more megapixels (24.2 vs 12.2MP), which boosts linear resolution by 44%.
  • Better image quality: Scores substantially higher (38 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.4 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).
  • Better video: Provides higher definition movie capture (1080/60p vs 720/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 230k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (1230 versus 300) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 5 years and 2 months of technical progress since the E-P1 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the D750 is the clear winner of the contest (23 : 6 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.

E-P1 06:23 D750

How about other alternatives? Do the specifications of the Olympus E-P1 and the Nikon D750 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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-P1 and the D750 in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
2.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299ebay.com
3.
 
Nikon D7805/5..5/587/1004.5/54.5/5 Jan 2020 2,299 amazon.com
4.
 
Nikon Df4/5....81/1004/54/5 Nov 2013 2,749ebay.com
5.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 1,999ebay.com
6.
 
Nikon D6004/5+ +..87/1005/54.5/5 Sep 2012 2,099ebay.com
7.
 
Nikon D700..89/100..+ +4.5/54.5/5 Jul 2008 2,999ebay.com
8.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
9.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
10.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
11.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
12.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 699ebay.com
13.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
14.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 699ebay.com
15.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
16.
 
Panasonic GF1..85/100..69/1004.5/54.5/5 Sep 2009 749ebay.com
17.
 
Panasonic GH1..+ +..72/1004.5/54.5/5 Mar 2009 899ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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 a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-P1 vs Nikon D750

    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-P1 Nikon D750
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Nikon F mount lenses
    Launch Date June 2009 September 2014
    Launch Price USD 799 USD 2,299
    Sensor Specs Olympus E-P1 Nikon D750
    Sensor Technology CMOS 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 12.2 Megapixels 24.2 Megapixels
    Image Resolution 4032 x 3024 pixels 6016 x 4016 pixels
    Pixel Pitch 4.29 μm 5.97 μm
    Pixel Density 5.42 MP/cm2 2.80 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 720/30p Video 1080/60p Video
    ISO Setting 100 - 6,400 ISO 100 - 12,800 ISO
    ISO Boost no Enhancement 50 - 51,200 ISO
    Image Processor TruePic V EXPEED 4
    DXO Sensor Quality (score) 55 93
    DXO Color Depth (bits) 21.4 24.8
    DXO Dynamic Range (EV) 10.4 14.5
    DXO Low Light (ISO) 536 2956
    Screen Specs Olympus E-P1 Nikon D750
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 230k dots 1229k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Olympus E-P1 Nikon D750
    Focus System Contrast-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 6 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no UHS-I
    Connectivity Specs Olympus E-P1 Nikon D750
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Body Specs Olympus E-P1 Nikon D750
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Olympus BLS-1 Nikon EN-EL15
    Battery Life (CIPA)300 shots per charge1230 shots per charge
    Body Dimensions 121 x 70 x 36 mm
    (4.8 x 2.8 x 1.4 in)
    141 x 113 x 78 mm
    (5.6 x 4.4 x 3.1 in)
    Camera Weight 355 g (12.5 oz) 750 g (26.5 oz)
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