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Nikon D300 vs Pentax 645Z

The Nikon D300 and the Pentax 645Z are two digital cameras that were revealed to the public, respectively, in August 2007 and April 2014. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (D300) and a medium format (645Z) sensor. The Nikon has a resolution of 12.2 megapixels, whereas the Pentax provides 51.1 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
Pentax 645Z
Nikon D300   Pentax 645Z
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Pentax 645 mount lenses
12.2 MP – APS-C sensor 51.1 MP – Medium Format sensor
no Video 1080/60i Video
ISO 200-3,200 (100 - 6,400) ISO 100-204,800
Optical viewfinder Optical viewfinder
3.0" LCD – 922k dots 3.2" LCD – 1037k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
6 shutter flaps per second 3 shutter flaps per second
Weathersealed bodyWeathersealed body
1000 shots per battery charge650 shots per battery charge
147 x 114 x 74 mm, 925 g 156 x 117 x 123 mm, 1550 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D300 and the Pentax 645Z? 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 Pentax 645Z 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 size dimensions are rounded to the nearest millimeter.

Size Nikon D300 vs Pentax 645Z
Compare D300 versus 645Z top
Comparison D300 or 645Z rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645Z is notably larger (9 percent) than the Nikon D300. Moreover, the 645Z is substantially heavier (68 percent) than the D300. 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.

Concerning battery life, the D300 gets 1000 shots out of its Nikon EN-EL3e battery, while the 645Z can take 650 images on a single charge of its Pentax D-LI90 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.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799ebay.com
2.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 8,499ebay.com
3.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
4.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
5.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995ebay.com
6.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450ebay.com
7.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499ebay.com
8.
 
Nikon D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799ebay.com
9.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629ebay.com
10.
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299ebay.com
11.
 
Nikon D700 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 2,999ebay.com
12.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729ebay.com
13.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
14.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999ebay.com
15.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699ebay.com
16.
 
Nikon D2X 158 mm 150 mm 86 mm 1252 g 3800 Y Sep 2004 4,999ebay.com
17.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995ebay.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 obviously take relative prices into account. 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 D300 was launched at a markedly lower price (by 79 percent) than the 645Z, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon D300 features an APS-C sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 285 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 0.79. The sensor in the D300 has a native 3:2 aspect ratio, while the one in the 645Z offers a 4:3 aspect.

Nikon D300 and Pentax 645Z sensor measures

With 51.1MP, the 645Z offers a higher resolution than the D300 (12.2MP), but the 645Z has smaller individual pixels (pixel pitch of 5.30μm versus 5.53μm for the D300). Yet, the 645Z is a much more recent model (by 6 years and 7 months) than the D300, 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 645Z has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax 645Z implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645Z for good quality output (200 dots per inch) amounts to 41.3 x 31 inches or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inches or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inches or 69.9 x 52.4 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 Pentax 645Z are ISO 100 to ISO 204800 (no boost).

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 645Z MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the 645Z offers substantially better image quality than the D300 (overall score 34 points higher). The advantage is based on 3.9 bits higher color depth, 2.7 EV in additional dynamic range, and 2.7 stops in additional low light sensitivity. 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
# image 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.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
3.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
4.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
5.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
6.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
7.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
8.
 
Nikon D300S APS-C 12.2 4288 2848720/24p22.512.278770
9.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
10.
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
11.
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380
12.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
13.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
14.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
15.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
16.
 
Nikon D2X APS-C 12.2 4288 2848none22.110.947659
17.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
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Many modern cameras cannot only take still pictures, but also record videos. The 645Z indeed provides for movie recording, while the D300 does not. The highest resolution format that the 645Z 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. The D300 and the 645Z 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 viewfinder in the D300 offers a wider field of view (100%) than the one in the 645Z (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 645Z has a higher magnification (0.78x vs 0.63x), 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 Nikon D300 and Pentax 645Z in connection with corresponding information for a sample of similar cameras.

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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.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
2.
 
Pentax 645Zoptical Y3.2 / 1037 tilting n 1/4000s 3.0/s n n
3.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
5.
 
Hasselblad X1D2360 n3.0 / 920 fixed Y 1/2000s 2.3/s n n
6.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0/s n n
7.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
8.
 
Nikon D300Soptical Y3.0 / 920 fixed n 1/8000s 7.0/s Y n
9.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Nikon D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
11.
 
Nikon D700optical Y3.0 / 922 fixed n 1/8000s 8.0/s Y n
12.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
14.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
15.
 
Nikon D200optical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
16.
 
Nikon D2Xoptical Y2.5 / 235 fixed n 1/8000s 5.0/s n n
17.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One difference between the cameras concerns the presence of an on-board flash. The D300 has one, while the 645Z does not. While the built-in flash of the D300 is not very powerful, it can at times be useful as a fill-in light.

The Nikon D300 and the Pentax 645Z 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 645Z uses SDXC cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the D300 only has one slot.

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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 Pentax 645Z 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.
 
Nikon D300Y- / ---mini2.0---
2.
 
Pentax 645ZYstereo / monoY-mini3.0---
3.
 
Canon 5DSYmono / monoY-mini3.0---
4.
 
Canon 5DS RYmono / monoY-mini3.0---
5.
 
Hasselblad X1DYstereo / monoYYmini3.0Y--
6.
 
Leica SLYstereo / monoYYfull3.0Y--
7.
 
Nikon D7000Ymono / monoY-mini2.0---
8.
 
Nikon D300SYstereo / monoY-mini2.0---
9.
 
Nikon D60Y- / ----2.0---
10.
 
Nikon D90Ymono / mono--mini2.0---
11.
 
Nikon D700Y- / ---mini2.0---
12.
 
Nikon D40XY- / ----2.0---
13.
 
Nikon D2XsY- / ----2.0---
14.
 
Nikon D80Y- / ----2.0---
15.
 
Nikon D200Y- / ----2.0---
16.
 
Nikon D2XY- / ----2.0---
17.
 
Pentax 645DYstereo / ----2.0---
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Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the D300 and the 645Z have been discontinued, but can regularly be found used on ebay. The D300 was replaced by the Nikon D300S, while the 645Z does not have a direct successor. Further information on the features and operation of the D300 and 645Z can be found, respectively, in the Nikon D300 Manual (free pdf) or the online Pentax 645Z Manual.

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Review summary

So how do things add up? Is the Nikon D300 better than the Pentax 645Z or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Nikon D300:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 98%).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
  • Less heavy: Is lighter (by 625g or 40 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (1000 versus 650) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (79 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in August 2007).

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Advantages of the Pentax 645Z:

  • More detail: Has more megapixels (51.1 vs 12.2MP), which boosts linear resolution by 100%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (34 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.9 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.7 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60i video.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.63x).
  • 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 (1037k vs 922k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More modern: Reflects 6 years and 7 months of technical progress since the D300 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the 645Z is the clear winner of the contest (14 : 9 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D300 09:14 645Z

How about other alternatives? Do the specifications of the Nikon D300 and the Pentax 645Z 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 remains incomplete and does no justice, for example, to the way the D300 or the 645Z perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799ebay.com
2.
 
Pentax 645Z5/5..3.5/5..4.5/55/5 Apr 2014 8,499ebay.com
3.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
4.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
5.
 
Hasselblad X1D..o..81/100..4/5 Jun 2016 8,995ebay.com
6.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 7,450ebay.com
7.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499ebay.com
8.
 
Nikon D300S5/5+ +..82/1004/54.5/5 Jul 2009 1,799ebay.com
9.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 629ebay.com
10.
 
Nikon D90..+ +..+ +4/54.5/5 Aug 2008 1,299ebay.com
11.
 
Nikon D700..89/100..+ +4.5/54.5/5 Jul 2008 2,999ebay.com
12.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729ebay.com
13.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
14.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 999ebay.com
15.
 
Nikon D200..+ +..+ +o.. Nov 2005 1,699ebay.com
16.
 
Nikon D2X......+ +.... Sep 2004 4,999ebay.com
17.
 
Pentax 645D5/5.......... Mar 2010 9,995ebay.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 are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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.

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

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    Specifications: Nikon D300 vs Pentax 645Z

    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 Pentax 645Z
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Pentax 645 mount lenses
    Launch Date August 2007 April 2014
    Launch Price USD 1,799 USD 8,499
    Sensor Specs Nikon D300 Pentax 645Z
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Medium Format Sensor
    Sensor Size 23.6 x 15.8 mm 43.8 x 32.8 mm
    Sensor Area 372.88 mm2 1436.64 mm2
    Sensor Diagonal 28.4 mm 54.7 mm
    Crop Factor 1.5x 0.79x
    Sensor Resolution 12.2 Megapixels 51.1 Megapixels
    Image Resolution 4288 x 2848 pixels 8256 x 6192 pixels
    Pixel Pitch 5.53 μm 5.30 μm
    Pixel Density 3.28 MP/cm2 3.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 1080/60i Video
    ISO Setting 200 - 3,200 ISO 100 - 204,800 ISO
    ISO Boost 100 - 6,400 ISO no Enhancement
    Image Processor EXPEED PRIME III
    DXO Sensor Quality (score) 67 101
    DXO Color Depth (bits) 22.1 26.0
    DXO Dynamic Range (EV) 12.0 14.7
    DXO Low Light (ISO) 679 4505
    Screen Specs Nikon D300 Pentax 645Z
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.63x 0.78x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 922k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Nikon D300 Pentax 645Z
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 6 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy150 000 actuations100 000 actuations
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    Connectivity Specs Nikon D300 Pentax 645Z
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D300 Pentax 645Z
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Nikon EN-EL3e Pentax D-LI90
    Battery Life (CIPA)1000 shots per charge650 shots per charge
    Body Dimensions 147 x 114 x 74 mm
    (5.8 x 4.5 x 2.9 in)
    156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    Camera Weight 925 g (32.6 oz) 1550 g (54.7 oz)
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