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Compare 3 products

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Nikon D810A Digital Camera
Nikon D810A
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Nikon D850 Digital Camera
Nikon D850
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Pentax K-m Digital Camera
Pentax K-m
Available colors
Editiorial reviews
5
5 editorial reviews
Nikon D810A is a 36.0MP Advanced DSLR camera with a Full frame sized CMOS sensor and Nikon F mount. Read our D810A review to find its pros and cons.Read more
In May of 2015 Nikon provided me with their brand new D810A to give it a workout for landscape astrophotography. I wrote an article for their Image Chaser blog, and this is my personal review of the camera The Short Answer In my experience the D810A matches the high ISO performance of the D750.  The [Read More]Read more
Has Nikon introduced an astrophotographer's dream machine in the new D810A? Read our Nikon D810A preview to find out?Read more
Read editorial reviews
57
4.8 out of 5
20 user ratings
5 stars
95 %
4 stars
5 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
14
3.7 out of 5
9 user ratings
5 stars
22 %
4 stars
44 %
3 stars
22 %
2 stars
11 %
1 stars
0 %
Read editorial reviews
User rating
38
4.5 out of 5
38 user ratings
5 stars
52 %
4 stars
44 %
3 stars
2 %
2 stars
0 %
1 stars
0 %
55
4.3 out of 5
55 user ratings
5 stars
52 %
4 stars
25 %
3 stars
20 %
2 stars
1 %
1 stars
0 %
44
4.2 out of 5
44 user ratings
5 stars
43 %
4 stars
34 %
3 stars
22 %
2 stars
0 %
1 stars
0 %

Sensor

Sensor typeCMOSCMOSCCD
Image sensor formatFull frameFXAPS-C
Sensor size1.41 in1.41 in0.93 in
Sensor photo detectors37.0 Mpx
N/A
11.0 Mpx
Effective pixels36.0 Mpx45.75 Mpx10.0 Mpx
Image ratio w:h
  • 5:4
  • 3:2
N/A
3:2
Max resolution7360 x 4912 px8256 x 5504 px3872 x 2592 px
Other resolutions
  • 5520x3680
  • 3680x2456
  • 6144x4080
  • 4608x3056
  • 3072x2040
  • 6144x4912
  • 4608x3680
  • 3072x2456
  • 4800x3200
  • 3600x2400
  • 2400x1600
N/A
  • 3008x2000
  • 1824x1216
ProcessorExpeed 4
N/A
N/A

Image

ISO
  • 200
  • 12800
  • 51200
  • 64
  • 25600
  • 100
  • 1600
ISO minimum20064100
ISO maximum51200256003200
Boosted ISO minimum100
N/A
N/A
Boosted ISO maximum51200
N/A
N/A
Maximum image resolution7360 x 4912 px8256 x 5504 px3872 x 2592 px
White balance presets12
N/A
8
White balance modes
  • Auto
  • Custom modes
  • Fluorescent
  • Incandescent
  • Manual
  • Shade
  • Sunny
  • Auto
  • Cloudy
  • Flash
  • Fluorescent
  • Fluorescent H
  • Fluorescent L
  • Incandescent
  • Sunny
  • Auto
  • Cloudy
  • Daylight
  • Flash
  • Fluorescent
  • Manual
Custom white balanceyes
N/A
yes
Supported image file formats
  • JPG
  • RAW
  • TIF
  • JPEG
  • RAW
N/A
Photo effects
  • Black&White
  • Neutral
  • Vivid
  • Black&White
  • Negative film
  • Sepia
  • Vivid
  • Black&White
  • Sepia
Image stabilizerno
N/A
N/A
Image stabilization typeNo
N/A
Sensor-shift
Uncompressed formatRAW + TIFF
N/A
RAW
AEB/HDR supportyesyes
N/A
Supported aspect ratios
N/A
  • 1:1
  • 5:4
N/A
HDR
N/A
yes
N/A
ISO Auto
N/A
N/A
yes

Optics and focus

Lens mountNikon FNikon AF-SPentax KAF2
Magnification (Crop factor)1.0 x1.0 x
N/A
AF assist (auto-focus assist light)LampLamp
N/A
Focus adjustmentManualAuto/ManualAuto
Contrast autofocusyesyes
N/A
Focal length multiplier1x
N/A
1.5x
Autofocus
  • Continuous Auto Focus
  • Servo Auto Focus
  • Single Auto Focus
  • Tracking Auto Focus
  • Continuous Auto Focus
  • Servo Auto Focus
  • Single Auto Focus
  • Continuous Auto Focus
  • Single Auto Focus
  • Spot Auto Focus
Auto Focus (AF) lockyesyes
N/A
Manual focusyes
N/A
yes
Auto Focus (AF) assist beamyes
N/A
N/A
Number of focus points51
N/A
5
Max number of AF points (incl. assistant)51153
N/A
Image stabiliserNoLens based only
N/A
Phase detection autofocusyesyes
N/A
Number of AF points (contrast)5199
N/A
Optical zoom
N/A
5.0 x
N/A
Minimum aperture
N/A
4
N/A
Maximum aperture
N/A
4
N/A
Contrast adjustment
N/A
yes
N/A
Brightness adjustment
N/A
yes
N/A
Autofocus in recording mode
N/A
yes
N/A
Filter diameter
N/A
3.03 in2.05 in

Screen and viewfinder

Screen size3.2 in3.2 in2.7 in
Articulated LCDnoyesno
Screen technologyLCD TFTLCDLCD
Display resolution640 x 480 px
N/A
N/A
Screen dots12290002360000230000
Touch screennoyesno
Field of view100.0 %
N/A
N/A
Live viewyesyesno
ViewfinderOpticalOptical
Optical
Viewfinder coverage100.0 %100.0 %96.0 %
Viewfinder magnification0.7 x0.75 x0.85 x
Dioptre correctionyes
N/A
N/A
Diopter adjustment (D-D)3 - 1
N/A
N/A
Eye relief0.67 in
N/A
N/A
Separate info displayyesyes
N/A
Flip-out screen
N/A
no
N/A

Photography features

Camera shutter type
  • Electronic
  • Mechanical
  • Electronic
  • Mechanical
N/A
Minimum shutter speed30.0 s
N/A
30.0 s
Maximum shutter speed1.0 s
N/A
1.0 s
Shutter priorityyes
N/A
yes
Aperture priorityyes
N/A
yes
Manual exposure modeyes
N/A
yes
Exposure compensation plus5
N/A
2
Exposure compensation minus-5
N/A
-2
Expousure compensation steps
  • 1/3
  • 1/2
  • 1
N/A
  • 1/2
  • 1/3
Auto exposure lockyesyes
N/A
AE EV steps
  • 1/3
  • 2/3
  • 1
N/A
  • 1/3
  • 1/2
Continuous shootingyesyes
N/A
Self-timer delay
  • 2
  • 5
  • 10
  • 20
  • 2
  • 5
  • 10
  • 20
N/A
Histogramyesyesyes
AE frames
  • 2
  • 3
  • 5
  • 7
N/A
N/A
WB Bracketing
Yes
N/A
N/A
Subject / scene modesno
N/A
no
Flash sync speed1/250s1/250s
N/A
Built-in flashyes
N/A
yes
Flash range12
N/A
11
Flash modes
  • Auto
  • Flash OFF
  • Redeye Reduction
  • Second-curtain Sync
  • Slow Sync
  • Auto
  • Normal
  • Slow Sync
  • Auto
  • Redeye Reduction
External flash connectionHot shoeHot shoe
N/A
External flashyes
N/A
yes
Continuous drive5.0 fps
N/A
3.5 fps
Scene modes
  • Portrait
  • Landscape
N/A
  • Close-up
  • Museum
  • Night portrait
  • Portrait
  • Sunset
  • Landscape
Self-timeryes
N/A
yes
Metering modes
  • Multi
  • Center-weighted
  • Highlight-weighted
  • Spot
N/A
  • Multi
  • Center-weighted
  • Spot
Manual settingsyesyes
N/A
Self-timer options
  • 2
  • 5
  • 10
  • 20
N/A
  • 2
  • 12
Shooting modes
N/A
  • Auto
  • Manual
  • Program
  • Scene
N/A
Number of exposures
N/A
2
N/A
Flash metering system
N/A
i-TTL
N/A
Speed (RAW)
N/A
7.0 fps
N/A
Exposure bracketing
N/A
0.3 - 1.0±EV
N/A

Videography features

Maximum resolution1920 x 1080 px3840 x 2160 px
N/A
Video recordingyesyesno
HD typeFull HD4K Ultra HD
N/A
Supported video file formats
  • H.264
  • MOV
  • MPEG-4
  • H.264
  • MOV
  • MP4
  • MPEG-4
N/A
Recording resolutions
N/A
  • 1280 x 720
  • 1920 x 1080
  • 3840 x 2160
N/A
Camera playback
N/A
  • Movie
  • Single image
  • Slide show
  • Single image
  • Slide show
Video recording limit
N/A
70.0 min.
N/A
Max resolution (highest frame rate)
N/A
1920 x 1080
N/A
Max frame rate (highest resolution)
N/A
30.0 fps
N/A
Max frame rate (regardless of res.)
N/A
120.0 fps
N/A
Motion JPEG frame rate
N/A
30.0 fps
N/A

Design

Body typeSLRSLRSLR
Body materialAluminum-magnesiumAluminum-magnesium
N/A
Colour of productBlackBlackBlack
Anti-dust systemyesyes
N/A
Environmentally sealedyesyesno

Dimensions

Weight31.04 oz32.28 oz20.81 oz
Width5.75 in5.75 in4.82 in
Height4.84 in4.88 in2.66 in
Depth3.21 in3.09 in3.6 in

Storage

Compatible memory cards
  • CF
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SDXC
  • XQD
SD
Dual memory card slotsyesyes
N/A
Storage types
  • SD
  • SDHC
  • SDXC
  • Compact Flash
  • SDHC
  • SD
  • SDXC
  • XQD
  • SD
  • SDHC
Camera file system
  • DCF 2.0
  • DPOF
  • Exif 2.3
N/A
N/A
Memory slots
N/A
2
N/A

Connectivity

HDMIyesyesno
HDMI connector typeMiniMini
N/A
USB connector typeMicro-USB BMicro-USB B
N/A
USB version3.13.12.0
Headphone portyes
N/A
N/A
Microphone portyes
N/A
N/A
WirelessOptional
N/A
N/A
Remote controlyes
N/A
yes
PictBridgeyesyes
N/A
NFCnono
N/A
Wireless network (Wi-Fi)noyes
N/A
Bluetoothnoyes
N/A
Firewirenono
N/A
USB port
N/A
yes
N/A
Supported WiFi types
N/A
  • IEEE 802.11b
  • IEEE 802.11g
N/A
Bluetooth version
N/A
4.1
N/A

Other features

Timelapse recordingyes
N/A
no
GPSnoyesno
Energy Star certifiedno
N/A
N/A
Languages supportMultiMulti
N/A
Tripod mounting supportedyesyes
N/A
Tripod thread
N/A
1.0 in
N/A
Orientation sensor
N/A
N/A
no
Calendar
N/A
N/A
yes
Image editing modes
N/A
N/A
  • Resizing
  • Trimming

Often compared with Nikon D810A

Nikon D810A Digital Camera
Nikon D750
NikonD810A
NikonD750
Nikon D810A Digital Camera
Nikon D850
NikonD810A
NikonD850
Nikon D810A Digital Camera
Nikon D800E
NikonD810A
NikonD800E
Nikon D810A Digital Camera
Nikon D800
NikonD810A
NikonD800
Nikon D810A Digital Camera
Nikon D500
NikonD810A
NikonD500
Nikon D810A Digital Camera
Nikon D610
NikonD810A
NikonD610
Nikon D810A Digital Camera
Sony a7 III
NikonD810A
Sonya7 III
Nikon D810A Digital Camera
Sony a7 II
NikonD810A
Sonya7 II

Often compared with Nikon D850

Nikon D850 Digital Camera
Nikon D810A
NikonD850
NikonD810A
Nikon D850 Digital Camera
Nikon D810
NikonD850
NikonD810
Nikon D850 Digital Camera
Nikon D750
NikonD850
NikonD750
Nikon D850 Digital Camera
Nikon D5
NikonD850
NikonD5
Nikon D850 Digital Camera
Nikon D500
NikonD850
NikonD500
Nikon D850 Digital Camera
Nikon D800E
NikonD850
NikonD800E
Nikon D850 Digital Camera
Nikon D800
NikonD850
NikonD800
Nikon D850 Digital Camera
Nikon Z7
NikonD850
NikonZ7