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Nikon D850 vs Sony A77 II

The Nikon D850 and the Sony Alpha SLT-A77 II are two digital cameras that were officially introduced, respectively, in July 2017 and May 2014. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (D850) and an APS-C (A77 II) sensor. The Nikon has a resolution of 45.4 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 D850 versus Sony A77 II
Nikon D850 Sony A77 II
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Sony A mount lenses
45.4 MP, Full Frame Sensor 24 MP, APS-C Sensor
4K/30p Video 1080/60p Video
ISO 64-25,600 (32 - 102,400) ISO 100-25,600 (50 - 51,200)
Optical viewfinder Electronic viewfinder (2359k dots)
3.2 LCD, 2359k dots 3.0 LCD, 1229k dots
Tilting touchscreen Fully flexible screen (no touchscreen)
9 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
1840 shots per battery charge480 shots per battery charge
146 x 124 x 79 mm, 1005 g 143 x 104 x 81 mm, 647 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D850 and the Sony Alpha SLT-A77 II? 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

An illustration of the physical size and weight of the Nikon D850 and the Sony A77 II is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Nikon D850 vs Sony A77 II
Compare D850 versus A77 II top
Comparison D850 or A77 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 II is notably smaller (18 percent) than the Nikon D850. Moreover, the A77 II is substantially lighter (36 percent) than the D850. 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 D850 gets 1840 shots out of its EN-EL15a battery, while the A77 II can take 480 images on a single charge of its NP-FM500H 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, 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.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 i
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199 i
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 i
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
 
Canon G3 X 123 mm 77 mm 105 mm 733 g 300 Y Jun 2015 999 i
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499i
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
 
Nikon D810 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299i
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749i
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i
 
Nikon D800 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 2,999i
 
Nikon D800E 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 3,299i
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699i
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 A77 II was launched at a markedly lower price (by 64 percent) than the D850, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 D850 features a full frame sensor and the Sony A77 II an APS-C sensor. The sensor area in the A77 II is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D850 and Sony A77 II sensor measures

With 45.4MP, the D850 offers a higher resolution than the A77 II (24MP), but the D850 nevertheless has larger individual pixels (pixel pitch of 4.35μm versus 3.91μm for the A77 II) due to its larger sensor. Moreover, the D850 is a much more recent model (by 3 years and 2 months) than the A77 II, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the D850 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Nikon D850 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D850 for good quality output (200 dots per inch) amounts to 41.3 x 27.5 inches or 104.9 x 69.9 cm, for very good quality (250 dpi) 33 x 22 inches or 83.9 x 55.9 cm, and for excellent quality (300 dpi) 27.5 x 18.3 inches or 69.9 x 46.6 cm. The corresponding values for the Sony A77 II are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The Nikon D850 has a native sensitivity range from ISO 64 to ISO 25600, which can be extended to ISO 32-102400. The corresponding ISO settings for the Sony Alpha SLT-A77 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

D850 versus A77 II MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). 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
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
 
Sony A77 II APS-C 24.0 6000 40001080/60p........
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
 
Canon G3 X 1-inch 20.0 5472 36481080/60p21.412.352163
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.4285395
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.3297996
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the D850 provides a higher video resolution than the A77 II. It can shoot video footage at 4K/30p, while the Sony is limited to 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A77 II has an electronic viewfinder (2359k dots), while the D850 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 D850 has a higher magnification than the one of the A77 II (0.75x vs 0.73x), 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 D850 and Sony A77 II in connection with corresponding information for a sample of similar cameras.

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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
 
Nikon D850optical Y 3.2 2359 tilting Y 1/8000s 9.0 n n
 
Sony A77 II2359 Y 3.0 1229 full-flex n 1/8000s 12.0 Y Y
 
Canon 5D Mark IVoptical Y 3.2 1620 fixed Y 1/8000s 7.0 n n
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
 
Canon 5DS Roptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
 
Canon G3 Xoptional n 3.2 1620 tilting Y 1/2000s 5.9 Y Y
 
Nikon D5optical Y 3.2 2359 fixed Y 1/8000s 14.0 n n
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
 
Nikon D810optical Y 3.2 1229 fixed n 1/8000s 5.0 Y n
 
Nikon Dfoptical Y 3.2 921 fixed n 1/4000s 5.5 n n
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n
 
Nikon D800optical Y 3.2 921 fixed n 1/8000s 4.0 Y n
 
Nikon D800Eoptical Y 3.2 921 fixed n 1/8000s 4.0 Y n
 
Sony A681440 Y 2.7 460 tilting n 1/4000s 8.0 Y Y
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The D850 has a touchscreen, while the A77 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The A77 II has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the D850 does not have a selfie-screen.

The Nikon D850 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 D850 writes its imaging data to SDHC or XQD cards, while the A77 II uses SDXC or Memory Stick PRO Duo cards. The D850 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A77 II only has one slot. The D850 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the A77 II can use UHS-I cards (up to 104 MB/s).

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 D850 and Sony Alpha SLT-A77 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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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
 
Nikon D850YstereomonoYYmini3.0YYY
 
Sony A77 IIYstereomonoY-mini2.0YY-
 
Canon 5D Mark IVYmonomonoYYmini3.0YY-
 
Canon 5DSYmonomonoY-mini3.0---
 
Canon 5DS RYmonomonoY-mini3.0---
 
Canon G3 XYstereomonoYYmini2.0YY-
 
Nikon D5YstereomonoYYmini3.0---
 
Nikon D500YstereomonoYYmini3.0YYY
 
Nikon D7200YstereomonoYYmini2.0YY-
 
Nikon D810YstereomonoYYmini3.0Y--
 
Nikon DfY----mini2.0---
 
Nikon D610YmonomonoYYmini2.0---
 
Nikon D800YmonomonoYYmini3.0---
 
Nikon D800EYmonomonoYYmini3.0---
 
Sony A68YstereomonoY-micro2.0---
 
Sony A7 IIYstereomonoYYmicro2.0YY-
 
Sony A77YstereomonoY-mini2.0---

It is notable that the D850 has a headphone jack, which is not present on the A77 II This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

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

Both the D850 and the A77 II are recent models that are part of the current product line-up. The A77 II replaced the earlier Sony A77, while the D850 followed on from the Nikon D810. 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 conclusions can be drawn? Which of the two cameras – the Nikon D850 or the Sony A77 II – 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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Reasons to prefer the Nikon D850:

  • More detail: Offers more megapixels (45.4 vs 24MP) with a 38% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.75x vs 0.73x).
  • 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 (2359k vs 1229k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (1840 versus 480) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years and 2 months of technical progress since the A77 II launch.

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Arguments in favor of the Sony Alpha SLT-A77 II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (12 vs 9 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (143x104mm vs 146x124mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 358g or 36 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (64 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in May 2014).

If the count of relative strengths (bullet points above) is taken as a measure, the D850 is the clear winner of the match-up (20 : 11 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 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.

D850 20:11 A77 II

How about other alternatives? Do the specifications of the Nikon D850 and the Sony A77 II 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D850 or the A77 II. 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 where reviews by experts come in. 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Nikon D850+ +89/1004.5/55/55/5 Jul 2017 3,299 i
 
Sony A77 II..80/1004.5/54/55/5 May 2014 1,199 i
 
Canon 5D Mark IV+ +87/1004.5/55/54.5/5 Aug 2016 3,499 i
 
Canon 5DS+83/1004.5/55/54.5/5 Feb 2015 3,699 i
 
Canon 5DS R+83/1005/55/54.5/5 Feb 2015 3,699 i
 
Canon G3 X+..4.5/53.5/54/5 Jun 2015 999 i
 
Nikon D5..89/1004.5/55/55/5 Jan 2016 6,499i
 
Nikon D500+ +91/1004.5/55/55/5 Jan 2016 1,999 i
 
Nikon D7200+ +84/1004.5/54/54.5/5 Mar 2015 1,199i
 
Nikon D810..86/1005/54.5/54.5/5 Jun 2014 3,299i
 
Nikon Df..81/1004/54/54/5 Nov 2013 2,749i
 
Nikon D610+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 i
 
Nikon D800+ +82/1005/55/55/5 Feb 2012 2,999i
 
Nikon D800E..84/1005/54.5/55/5 Feb 2012 3,299i
 
Sony A68....4/5..4/5 Nov 2015 699i
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999i
 
Sony A7791/10081/100..4.5/55/5 Aug 2011 1,399i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Nikon D850:
Check Amazon price
Sony A77 II:
Check Amazon price

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

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    Specifications: Nikon D850 vs Sony A77 II

    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 D850 Sony A77 II
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Sony A mount lenses
    Launch Date July 2017 May 2014
    Launch Price USD 3,299 USD 1,199
    Sensor Specs Nikon D850 Sony A77 II
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.9 x 23.9 mm 23.5 x 15.6 mm
    Sensor Area 858.01 mm2 366.6 mm2
    Sensor Diagonal 43.1 mm 28.2 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 45.4 Megapixels 24 Megapixels
    Image Resolution 8256 x 5504 pixels 6000 x 4000 pixels
    Pixel Pitch 4.35 μm 3.91 μm
    Pixel Density 5.30 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 64 - 25,600 ISO 100 - 25,600 ISO
    ISO Boost 32 - 102,400 ISO 50 - 51,200 ISO
    Image Processor EXPEED 5 BIONZ X
    DXO Sensor Quality (score) 100 ..
    DXO Color Depth (bits) 26.4 ..
    DXO Dynamic Range (EV) 14.8 ..
    DXO Low Light (ISO) 2660 ..
    Screen Specs Nikon D850 Sony A77 II
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.75x 0.73x
    Viewfinder Resolution 2359k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2359k dots 1229k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Nikon D850 Sony A77 II
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 9 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy200 000 actuations150 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC or XQD cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-II UHS-I
    Connectivity Specs Nikon D850 Sony A77 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Nikon D850 Sony A77 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type EN-EL15a NP-FM500H
    Battery Life (CIPA)1840 shots per charge480 shots per charge
    Body Dimensions 146 x 124 x 79 mm
    (5.7 x 4.9 x 3.1 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 1005 g (35.5 oz) 647 g (22.8 oz)

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