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Nikon D750 vs Sony A9

The Nikon D750 and the Sony Alpha A9 are two digital cameras that were revealed to the public, respectively, in September 2014 and April 2017. The D750 is a DSLR, while the A9 is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Nikon has a resolution of 24.2 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Nikon D750 VS Sony A9
Nikon D750 Sony A9
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
24.2 MP, Full Frame Sensor 24 MP, Full Frame Sensor
1080/60p Video 4K/30p Video
ISO 100-12800 (50-51200) ISO 100-51200 (50-204800)
Optical viewfinder Electronic viewfinder (3686k dots)
3.2" LCD, 1229k dots 3.0" LCD, 1440k dots
Tilting screen (no touchscreen) Tilting touchscreen
6 shutter flaps per second 20 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
1230 shots per battery charge650 shots per battery charge
141 x 113 x 78 mm, 750 g 127 x 96 x 63 mm, 673 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D750 and the Sony Alpha A9? 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.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon D750 and the Sony A9. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Nikon D750 vs Sony A9
Compare D750 versus A9 top
Comparison D750 or A9 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A9 is notably smaller (23 percent) than the Nikon D750. Moreover, the A9 is markedly lighter (10 percent) than the D750. 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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D750) and the Sony FE Lens Catalog (A9). Mirrorless cameras, such as the A9, 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 D750 gets 1230 shots out of its EN-EL15 battery, while the A9 can take 650 images on a single charge of its NP-FZ100 power pack. The power pack in the A9 can be charged via the USB port, which can be very convenient when travelling.

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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon D750» 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299iNikon D750
 
Sony A9« 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499iSony A9
 
Canon 6D Mark II« » 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 iCanon 6D Mark II
 
Nikon D780« » 144 mm 116 mm 76 mm 840 g 2260 Y Jan 2020 2,299 iNikon D780
 
Nikon D7500« » 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 iNikon D7500
 
Nikon D500« » 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 iNikon D500
 
Nikon D7200« » 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199iNikon D7200
 
Nikon D7100« » 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199iNikon D7100
 
Nikon Df« » 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749 iNikon Df
 
Nikon D610« » 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 iNikon D610
 
Nikon D600« » 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099iNikon D600
 
Nikon D700« » 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 2,999iNikon D700
 
Panasonic GH5« » 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999 iPanasonic GH5
 
Sony A9 II« » 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 iSony A9 II
 
Sony A7 III« » 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 iSony A7 III
 
Sony A7R III« » 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199iSony A7R III
 
Sony A7 II« » 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999iSony A7 II
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The D750 was launched at a markedly lower price (by 49 percent) than the A9, 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.

 

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 tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the A9 is 2 percent smaller. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D750 and Sony A9 sensor measures

With 24.2MP, the D750 offers a slightly higher resolution than the A9 (24MP), but the D750 nevertheless has marginally larger individual pixels (pixel pitch of 5.97μm versus 5.94μm for the A9) due to its larger sensor. However, the A9 is a much more recent model (by 2 years and 7 months) than the D750, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The A9 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Nikon D750 has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 50-51200. The corresponding ISO settings for the Sony Alpha A9 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

D750 versus A9 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693Nikon D750
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
 
Nikon D780 Full Frame 24.3 6048 40244K/30p........Nikon D780
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386Nikon D7500
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483Nikon D500
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387Nikon D7200
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683Nikon D7100
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989Nikon Df
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094Nikon D600
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380Nikon D700
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493Sony A9 II
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A9 provides a better video resolution than the D750. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/60p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A9 has an electronic viewfinder (3686k dots), while the D750 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A9 has a higher magnification than the one of the D750 (0.78x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D750, the Sony A9, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Nikon D750optical Y 3.2 1229 tilting n 1/4000s 6.0 Y n Nikon D750
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n Canon 6D Mark II
 
Nikon D780optical Y 3.2 2359 tilting Y 1/8000s 12.0 n n Nikon D780
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n Nikon D7500
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n Nikon D500
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7200
 
Nikon D7100optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7100
 
Nikon Dfoptical Y 3.2 921 fixed n 1/4000s 5.5 n n Nikon Df
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n Nikon D610
 
Nikon D600optical Y 3.0 921 fixed n 1/4000s 5.5 Y n Nikon D600
 
Nikon D700optical Y 3.0 922 fixed n 1/8000s 8.0 Y n Nikon D700
 
Panasonic GH53680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y Panasonic GH5
 
Sony A9 II3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A9 II
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II

One difference between the cameras concerns the presence of an on-board flash. The D750 has one, while the A9 does not. While the built-in flash of the D750 is not very powerful, it can at times be useful as a fill-in light.

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 A9 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 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 D750 writes its imaging data to SDXC cards, while the A9 uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The A9 supports UHS-II cards (on its first slot), while the D750 can use UHS-I cards.

 

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 D750 and Sony Alpha A9 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D750YstereomonoYYmini2.0Y--Nikon D750
 
Sony A9YstereomonoYYmicro2.0YYYSony A9
 
Canon 6D Mark IIYstereomonoY-mini2.0YYYCanon 6D Mark II
 
Nikon D780YstereomonoYYmini3.1Y-YNikon D780
 
Nikon D7500YstereomonoYYmini2.0Y-YNikon D7500
 
Nikon D500YstereomonoYYmini3.0YYYNikon D500
 
Nikon D7200YstereomonoYYmini2.0YY-Nikon D7200
 
Nikon D7100YstereomonoYYmini2.0---Nikon D7100
 
Nikon DfYnonenone--mini2.0---Nikon Df
 
Nikon D610YmonomonoYYmini2.0---Nikon D610
 
Nikon D600YmonomonoYYmini2.0---Nikon D600
 
Nikon D700Ynonenone--mini2.0---Nikon D700
 
Panasonic GH5YstereomonoYYfull3.1Y-YPanasonic GH5
 
Sony A9 IIYstereomonoYYmicro3.1YYYSony A9 II
 
Sony A7 IIIYstereomonoYYmicro3.1YYYSony A7 III
 
Sony A7R IIIYstereomonoYYmicro3.1YYYSony A7R III
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the D750 and the A9 have been discontinued, but can regularly be found used on eBay. The D750 was replaced by the Nikon D780, while the A9 was followed by the Sony A9 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Sony websites.

Review summary

So what is the bottom line? Is the Nikon D750 better than the Sony A9 or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Nikon D750:

  • More dynamic range: Captures a larger spectrum of light and dark details (1.2 EV of extra DR).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (1230 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 (49 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2014).

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Arguments in favor of the Sony Alpha A9:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1229k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (127x96mm vs 141x113mm) and will fit more readily into a bag.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 2 years and 7 months of technical progress since the D750 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A9 is the clear winner of the contest (16 : 9 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 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.

D750 09:16 A9

How about other alternatives? Do the specifications of the Nikon D750 and the Sony A9 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 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 D750 and the A9 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.

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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon D750+ +90/1004.5/55/54.5/5 Sep 2014 2,299iNikon D750
 
Sony A9+ +89/1005/55/55/5 Apr 2017 4,499iSony A9
 
Canon 6D Mark II+80/1004.5/54/54/5 Jun 2017 1,999 iCanon 6D Mark II
 
Nikon D780..87/1004.5/5..4.5/5 Jan 2020 2,299 iNikon D780
 
Nikon D7500+ +86/1005/54.5/54.5/5 Apr 2017 1,299 iNikon D7500
 
Nikon D500+ +91/1004.5/55/55/5 Jan 2016 1,999 iNikon D500
 
Nikon D7200+ +84/1004.5/54/54.5/5 Mar 2015 1,199iNikon D7200
 
Nikon D7100+ +85/1004.5/55/54.5/5 Feb 2013 1,199iNikon D7100
 
Nikon Df..81/1004/54/54/5 Nov 2013 2,749 iNikon Df
 
Nikon D610+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 iNikon D610
 
Nikon D600+ +87/1005/54.5/54.5/5 Sep 2012 2,099iNikon D600
 
Nikon D70089/100+ +4.5/55/54.5/5 Jul 2008 2,999iNikon D700
 
Panasonic GH5+ +85/1004.5/55/55/5 Jan 2017 1,999 iPanasonic GH5
 
Sony A9 II....5/5..5/5 Oct 2019 4,499 iSony A9 II
 
Sony A7 III+ +89/1005/55/55/5 Feb 2018 1,999 iSony A7 III
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199iSony A7R III
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999iSony A7 II
Notes: (+ +) 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 comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Nikon D750:
Check Ebay offers
Sony A9:
Check Ebay offers

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 use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D750 vs Sony A9

    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 D750 Sony A9
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date September 2014 April 2017
    Launch Price USD 2299 USD 4499
    Sensor Specs Nikon D750 Sony A9
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.9 x 24.0 mm 35.6 x 23.8 mm
    Sensor Area 861.6 mm2 847.28 mm2
    Sensor Diagonal 43.2 mm 42.8 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 24.2 Megapixels 24 Megapixels
    Image Resolution 6016 x 4016 pixels 6000 x 4000 pixels
    Pixel Pitch 5.97 μm 5.94 μm
    Pixel Density 2.80 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 100-12800 ISO 100-51200 ISO
    ISO Boost 50-51200 ISO 50-204800 ISO
    Image Processor EXPEED 4 BIONZ X
    DXO Sensor Quality (score) 93 92
    DXO Color Depth (bits) 24.8 24.9
    DXO Dynamic Range (EV) 14.5 13.3
    DXO Low Light (ISO) 2956 3517
    Screen Specs Nikon D750 Sony A9
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.78x
    Viewfinder Resolution 3686k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.0 inch
    LCD Resolution 1229k dots 1440k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D750 Sony A9
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 6 shutter flaps/s 20 shutter flaps/s
    Shutter Life Expectancy150 000 actuations500 000 actuations
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Dual card slots Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Nikon D750 Sony A9
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D750 Sony A9
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type EN-EL15 NP-FZ100
    Battery Life (CIPA)1230 shots per charge650 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 141 x 113 x 78 mm
    (5.6 x 4.4 x 3.1 in)
    127 x 96 x 63 mm
    (5.0 x 3.8 x 2.5 in)
    Camera Weight 750 g (26.5 oz) 673 g (23.7 oz)

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