View source for Nikon D4

{{short description|Digital single-lens reflex camera}}
{{Infobox camera
| model = Nikon D4
| image      = D4-85 1.4.JPG|
| kind = [[Digital single-lens reflex camera]]
| sensor = 36.0&nbsp;mm&nbsp;×&nbsp;23.9&nbsp;mm [[CMOS]], Nikon FX format, 7.3µm pixel size
| res = 16.4 effective megapixels (4928 × 3280 pixels)
| price = $5999.95
| sensor_maker = [[Nikon]]<ref>[https://www.chipworks.com/about-chipworks/overview/blog/full-frame-dslr-cameras-part-i-nikon-vs-sony Full Frame DSLR Cameras Part I - Nikon vs Sony] {{Webarchive|url=https://web.archive.org/web/20190521000732/http://www.chipworks.com/about-chipworks/overview/blog/full-frame-dslr-cameras-part-i-nikon-vs-sony |date=2019-05-21 }} Chipworks</ref>
| lens = Interchangeable, [[Nikon F-mount]]
| shutter = Electronically controlled vertical-travel focal-plane shutter
| shutterRange = 30 to 1/8000 second and bulb
| metering =  TTL exposure metering using 91,000-pixel RGB sensor
| emode = Programmed Auto [P], Shutter-Priority Auto [S], Aperture-Priority Auto [A], Manual [M]
| mmode =  Center-weighted: Weight of 75% given to 12mm circle in center of frame; Matrix: 3D color matrix metering III (type G and D lenses); color matrix metering III (other CPU lenses) ;Spot: Meters 4 mm circle (about 1.5% of frame) centered on selected focus point
| farea = 51-area Nikon Advanced Multi-CAM 3500FX
| fmode = Auto AF-S/AF-C selection (AF-A), Continuous-servo (AF-C), Face-Priority AF available in Live View only and D-Movie only, Full-time Servo (AF-A) available in Live View only, Manual (M) with electronic rangefinder, Normal area, Single-servo AF (AF-S), Wide area
| cont = 10 frame/s (11 frame/s with AE/AF lock on first frame)
| viewfinder = Optical-type fixed eye level pentaprism
| speedRange = ISO equivalency 100 to 12,800 in 1/3, 1/2 or 1.0 EV steps, Boost: 50–204,800 in 1/3, 1/2 or 1.0 EV steps
| flash = none built-in
| flbkt =  2-9 frames in steps of 1/3, 1/2, 2/3 or 1 EV
| fcbkt = none
| WB = Auto, Presets (5), Manual, and Color temperature in [[kelvin]]s
| wbbkt =  2 to 9 exposures in increments of 1, 2 or 3 EV
| rearLCD = 3.2-inch diagonal, (921,000 dots), TFT VGA
| storage = One [[CompactFlash]] (Type I) card slot, one [[XQD card|XQD]] card slot
| battery = Li-ion EN-EL18
| weight = {{convert|1180|g|lb|abbr=on}}
| obp = EH-6B AC Adapter
| date             = 5 January 2012
| made_in          = {{JPN}}
| predecessor      = [[Nikon D3S]]
| successor        = [[Nikon D4S]]
}}
The '''Nikon D4''' is a 16.2-megapixel professional-grade [[Full frame digital SLR|full frame]] ([[135 film|35mm]]) [[digital single-lens reflex camera]] ([[DSLR]]) announced by [[Nikon Corporation]] on 6 January 2012.<ref name="nikon">{{cite web|url=http://www.nikon.com/news/2012/0106_flagship_01.htm |title=Digital SLR Camera Nikon D4|publisher=Nikon Corporation|date=January 6, 2012| access-date=January 7, 2012}}</ref> It succeeds the [[Nikon D3S]] and introduces a number of improvements including a 16.2 megapixel sensor, improved auto-focus and metering sensors and the ability to shoot at an extended [[ISO speed]] of 204,800.<ref name=engadget>{{cite web|title=Nikon announces D4 DSLR camera: full-frame 16.2 MP sensor, 204,000 extended ISO, XQD support, $6,000 price tag|url=https://www.engadget.com/2012/01/05/nikon-d4-dslr-camera/|work=Engadget|access-date=6 January 2012}}</ref> The camera was released in February 2012 at a recommended retail price of $5999.95.<ref name=engadget /> It is the first camera to use the new [[XQD]] memory cards. It was replaced by the [[Nikon D4S]] as Nikon's flagship camera.
The Nikon D4 is aimed at sports and action photographers and photojournalists. With a continuous shooting rate of 10fps, a 20-second burst would yield 200 full-resolution images with full metering and autofocus for each frame. If exposure and focus are locked, the shooting rate can be increased to 11fps.
== Features ==
*16.4 effective [[megapixel]] Full-Frame (36&nbsp;mm × 24&nbsp;mm) sensor with ISO 100–12800 (ISO 50–204800 Boost)
*[[Expeed#Expeed 3 (FR)|Nikon Expeed 3]] image/video processor
*91,000 pixel RGB metering sensor with Advanced Scene Recognition System
*Advanced Multi-CAM3500FX auto-focus sensor (51-point, 15 cross-type)
*0.12 s start up time and 0.042 s shutter release delay.
*Image sensor cleaning
*Ten frames per second in continuous FX mode (eleven frames per second with auto-exposure and auto-focus disabled)
*Buffer for 100 RAW or 200 JPEG frames in one burst
*Built-in HDR and time lapse modes
*Built-in 10/100 base-T Ethernet port for data transfers and tethered shooting.
*[[1080p]] Full HD movie mode at [[24p|24]] fps worldwide and [[PAL|25]] or [[NTSC|30]] depending on region, [[720p]] at 25/50 or 30/60 fps, [[HDMI]] [[HD video]] out with support of [[uncompressed video]] output, stereo monitor headphone out, and [[Stereophonic sound|stereo]] input (3.5-mm diameter) with manual sound level control.
*Kevlar/carbon fibre composite shutter with a rating of 400,000 actuations
*Live View with either phase detect or improved contrast detect Auto Focus
*Virtual horizon indicates in Live View mode, also available during video capture
*'Active D-Lighting' with 6 settings and bracketing (adjusts metering and D-Lighting curve)
*Dual card slots, one [[CompactFlash]] UDMA and one [[XQD card|XQD]] card slot (mirror, overflow, back-up, RAW on 1/JPEG on 2, Stills on 1/Movies on 2, copy)
*Fully weather sealed with O-rings
* GPS interface for direct geotagging supported by [[Nikon GP-1]]
==Reception==
[[File:2012 Nikon D4 magnesium-alloy frame 2012 CP+.jpg|thumb|left|Nikon D4 magnesium-alloy frame]]
The ''D4'' achieved the fourth-best result in the DXOmark sensor rating, only beaten by two versions of the [[Nikon D800]] and a medium format, 80-megapixel camera ([[Phase One (company)|Phase One]] IQ180).<ref>{{Cite web |url=http://www.dxomark.com/index.php/Cameras/Camera-Sensor-Ratings |title=DXOmark Sensor ratings |access-date=2012-03-24 |archive-date=2012-03-21 |archive-url=https://web.archive.org/web/20120321161023/http://www.dxomark.com/index.php/Cameras/Camera-Sensor-Ratings |url-status=dead }}</ref>
== References ==
{{reflist}}
== External links ==
{{Commons category multi|Nikon D4|Taken with Nikon D4}}
* [http://www.nikonusa.com/pdf/manuals/dslr/D4_EN.pdf Nikon D4 Manual] Nikon
* [http://www.nikonusa.com/pdf/manuals/dslr/D4_TechnicalGuide_En.pdf Nikon D4 Technical Guide] Nikon
* [http://imaging.nikon.com/products/imaging/lineup/digitalcamera/slr/d4/ Nikon D4 global product page] at Nikon.com
* [http://www.nikonusa.com/Nikon-Products/Product/Digital-SLR-Cameras/25482/D4.html#tab-ProductDetail-ProductTabs-TechSpecs Nikon D4 USA specs], Nikon Inc.
* [http://www.dpreview.com/articles/7799914638/nikon-d4-overview/ Nikon D4 overview] at Digital Photography Review
* [https://web.archive.org/web/20120114145850/http://www.estiasis.com/taxonomy/term/549 Nikon D4 news coverage] at Estiasis.com
{{Nikon DSLR cameras}}
{{Full-frame DSLR cameras}}
[[Category:Nikon DSLR cameras|D4]]
[[Category:Nikon F-mount cameras|D4]]
[[Category:Live-preview digital cameras]]
[[Category:Cameras introduced in 2012]]
[[Category:Cameras made in Japan]]
[[Category:Full-frame DSLR cameras]]