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Nikon D300 vs Panasonic GM1

The Nikon D300 and the Panasonic Lumix DMC-GM1 are two digital cameras that were revealed to the public, respectively, in August 2007 and October 2013. The D300 is a DSLR, while the GM1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D300) and a Four Thirds (GM1) sensor. The Nikon has a resolution of 12.2 megapixels, whereas the Panasonic provides 15.8 MP.

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

Headline Specifications
Nikon D300
versus
Panasonic GM1
Nikon D300   Panasonic GM1
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
12.2 MP – APS-C sensor 15.8 MP – Four Thirds sensor
no Video 1080/60i Video
ISO 200-3,200 (100 - 6,400) ISO 200-25,600
Optical viewfinder No viewfinder, LCD framing
3.0" LCD – 922k dots 3.0" LCD – 1036k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
6 shutter flaps per second 5 shutter flaps per second
Weathersealed bodynot weather sealed
1000 shots per battery charge230 shots per battery charge
147 x 114 x 74 mm, 925 g 99 x 55 x 30 mm, 204 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D300 and the Panasonic Lumix DMC-GM1? 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 physical size and weight of the Nikon D300 and the Panasonic GM1 are illustrated 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 GM1 can be obtained in three different colors (black, silver, red), while the D300 is only available in black.

Size Nikon D300 vs Panasonic GM1
Compare D300 versus GM1 top
Comparison D300 or GM1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM1 is considerably smaller (68 percent) than the Nikon D300. Moreover, the GM1 is substantially lighter (78 percent) than the D300. It is worth mentioning in this context that the D300 is splash and dust resistant, while the GM1 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 Nikon Lens Catalog (D300) and the Micro Four Thirds Lens Catalog (GM1). Mirrorless cameras, such as the GM1, 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 D300 gets 1000 shots out of its Nikon EN-EL3e battery, while the GM1 can take 230 images on a single charge of its Panasonic DMW-BLH7 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 US$ 1 799ebay.com
2.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 US$ 749ebay.com
3.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 US$ 4 699ebay.com
4.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 US$ 4 999ebay.com
5.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 US$ 629ebay.com
6.
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 US$ 1 299ebay.com
7.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 US$ 1 699ebay.com
8.
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 US$ 1 799ebay.com
9.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 US$ 1 999ebay.com
10.
 
Nikon D700 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 US$ 2 999ebay.com
11.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 US$ 1 499ebay.com
12.
 
Olympus E-3 142 mm 116 mm 75 mm 876 g 750 Y Oct 2007 US$ 1 699ebay.com
13.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 US$ 599ebay.com
14.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 US$ 599ebay.com
15.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 US$ 899ebay.com
16.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 US$ 749ebay.com
17.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 US$ 699ebay.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 GM1 was launched at a markedly lower price (by 58 percent) than the D300, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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. 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 Nikon D300 features an APS-C sensor and the Panasonic GM1 a Four Thirds sensor. The sensor area in the GM1 is 40 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 D300 has a native 3:2 aspect ratio, while the one in the GM1 offers a 4:3 aspect.

Nikon D300 and Panasonic GM1 sensor measures

Despite having a smaller sensor, the GM1 offers a higher resolution of 15.8 megapixels, compared with 12.2 MP of the D300. 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 3.77μm versus 5.53μm for the D300). However, it should be noted that the GM1 is much more recent (by 6 years and 1 month) than the D300, 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 Panasonic GM1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GM1 for good quality output (200 dots per inch) amounts to 23 x 17.2 inches or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inches or 38.9 x 29.2 cm. The corresponding values for the Nikon D300 are 21.4 x 14.2 inches or 54.5 x 36.2 cm for good quality, 17.2 x 11.4 inches or 43.6 x 28.9 cm for very good quality, and 14.3 x 9.5 inches or 36.3 x 24.1 cm for excellent quality prints.

The Nikon D300 has a native sensitivity range from ISO 200 to ISO 3200, which can be extended to ISO 100-6400. The corresponding ISO settings for the Panasonic Lumix DMC-GM1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 125-25600.

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.

D300 versus GM1 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"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
2.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
3.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
4.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
5.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
6.
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
7.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
8.
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
9.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
10.
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380
11.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
12.
 
Olympus E-3 Four Thirds 10.0 3648 2736none21.610.557156
13.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
14.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
15.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
16.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
17.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The GM1 indeed provides for movie recording, while the D300 does not. The highest resolution format that the GM1 can use is 1080/60i.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the D300 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GM1 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 D300, the Panasonic GM1, and comparable cameras.

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Core Features
  empty 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.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
2.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
3.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
4.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
5.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
6.
 
Nikon D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
7.
 
Nikon D200optical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
8.
 
Nikon D300Soptical Y3.0 / 920 fixed n 1/8000s 7.0/s Y n
9.
 
Nikon D500optical Y3.2 / 2359 tilting Y 1/8000s 10.0/s n n
10.
 
Nikon D700optical Y3.0 / 922 fixed n 1/8000s 8.0/s Y n
11.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
12.
 
Olympus E-3optical Y2.5 / 230 swivel n 1/8000s 5.0/s Y Y
13.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
14.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
15.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
16.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
17.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the D300, but is missing on the GM1 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 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 GM1 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 Nikon D300 and the Panasonic GM1 both have 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 D300 writes its imaging data to Compact Flash cards, while the GM1 uses SDXC 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 Nikon D300 and Panasonic Lumix DMC-GM1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D300Y- / ---mini2.0---
2.
 
Panasonic GM1-stereo / mono--micro2.0Y--
3.
 
Nikon D2XsY- / ----2.0---
4.
 
Nikon D3Y- / ---mini2.0---
5.
 
Nikon D60Y- / ----2.0---
6.
 
Nikon D90Ymono / mono--mini2.0---
7.
 
Nikon D200Y- / ----2.0---
8.
 
Nikon D300SYstereo / monoY-mini2.0---
9.
 
Nikon D500Ystereo / monoYYmini3.0YYY
10.
 
Nikon D700Y- / ---mini2.0---
11.
 
Nikon D7000Ymono / monoY-mini2.0---
12.
 
Olympus E-3Y- / ----2.0---
13.
 
Panasonic G5Ystereo / mono--mini2.0---
14.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
15.
 
Panasonic GH2Ystereo / monoY-mini2.0---
16.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
17.
 
Panasonic GX1Ystereo / mono--mini2.0---

It is notable that the D300 has a hotshoe, while the GM1 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Nikon D300 (unlike the GM1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D300 and the GM1 have been discontinued, but can regularly be found used on ebay. The D300 was replaced by the Nikon D300S, while the GM1 was followed by the Panasonic GM5. Further information on the features and operation of the D300 and GM1 can be found, respectively, in the Nikon D300 Manual (free pdf) or the online Panasonic GM1 Manual.

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Review summary

So how do things add up? Which of the two cameras – the Nikon D300 or the Panasonic GM1 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Nikon D300:

  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/500s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (1000 versus 230) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in August 2007).

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Reasons to prefer the Panasonic Lumix DMC-GM1:

  • More detail: Has more megapixels (15.8 vs 12.2MP), which boosts linear resolution by 12%.
  • Broader imaging potential: Can capture not only stills but also 1080/60i video.
  • More detailed LCD: Has a higher resolution rear screen (1036k vs 922k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (99x55mm vs 147x114mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 721g or 78 percent) and is thus easier to take along.
  • 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.
  • More affordable: Was introduced into a lower priced category (58 percent cheaper at launch).
  • More modern: Reflects 6 years and 1 month of technical progress since the D300 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the GM1 emerges as the winner of the match-up (11 : 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 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.

D300 09:11 GM1

How about other alternatives? Do the specifications of the Nikon D300 and the Panasonic GM1 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D300 or the GM1. 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 where reviews by experts come in. 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 US$ 1 799ebay.com
2.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 US$ 749ebay.com
3.
 
Nikon D2Xs............ Jun 2006 US$ 4 699ebay.com
4.
 
Nikon D3......+ +5/54.5/5 Aug 2007 US$ 4 999ebay.com
5.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 US$ 629ebay.com
6.
 
Nikon D90..+ +..+ +4/54.5/5 Aug 2008 US$ 1 299ebay.com
7.
 
Nikon D200..+ +..+ +o.. Nov 2005 US$ 1 699ebay.com
8.
 
Nikon D300S5/5+ +..82/1004/54.5/5 Jul 2009 US$ 1 799ebay.com
9.
 
Nikon D5005/5+ +4.7/591/1004.5/55/5 Jan 2016 US$ 1 999ebay.com
10.
 
Nikon D700..89/100..+ +4.5/54.5/5 Jul 2008 US$ 2 999ebay.com
11.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 US$ 1 499ebay.com
12.
 
Olympus E-3..88/100..+ +o4/5 Oct 2007 US$ 1 699ebay.com
13.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 US$ 599ebay.com
14.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 US$ 599ebay.com
15.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 US$ 899ebay.com
16.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 US$ 749ebay.com
17.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 US$ 699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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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 your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon D300 vs Panasonic GM1

    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 Nikon D300 Panasonic GM1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date August 2007 October 2013
    Launch Price USD 1,799 USD 749
    Sensor Specs Nikon D300 Panasonic GM1
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.6 x 15.8 mm 17.3 x 13.0 mm
    Sensor Area 372.88 mm2 224.9 mm2
    Sensor Diagonal 28.4 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 12.2 Megapixels 15.8 Megapixels
    Image Resolution 4288 x 2848 pixels 4592 x 3448 pixels
    Pixel Pitch 5.53 μm 3.77 μm
    Pixel Density 3.28 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60i Video
    ISO Setting 200 - 3,200 ISO 200 - 25,600 ISO
    ISO Boost 100 - 6,400 ISO 125 - 25,600 ISO
    Image Processor EXPEED Venus IX
    DXO Sensor Quality (score) 67 66
    DXO Color Depth (bits) 22.1 22.3
    DXO Dynamic Range (EV) 12.0 11.7
    DXO Low Light (ISO) 679 660
    Screen Specs Nikon D300 Panasonic GM1
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 1036k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D300 Panasonic GM1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/500s
    Continuous Shooting 6 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    Connectivity Specs Nikon D300 Panasonic GM1
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D300 Panasonic GM1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Nikon EN-EL3e Panasonic DMW-BLH7
    Battery Life (CIPA)1000 shots per charge230 shots per charge
    Body Dimensions 147 x 114 x 74 mm
    (5.8 x 4.5 x 2.9 in)
    99 x 55 x 30 mm
    (3.9 x 2.2 x 1.2 in)
    Camera Weight 925 g (32.6 oz) 204 g (7.2 oz)
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