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The Nikon 1 series are high-speed〔(Nikon 1 V3: a quick summary ) DPreview〕 mirrorless interchangeable-lens cameras with 60 frames per second (fps) continuous shooting speed, using Nikon 1-mount lenses and announced on 21 September 2011.〔(Nikon announces new Nikon 1 compact system camera range with two cameras, lenses and accessories ) Whatdigitalcamera〕 The series currently includes Nikon 1 V1, J1, J2, and S1 with a 10-megapixel image sensor, the V2, J3 and AW1 with a 14-megapixel image sensor and further increased autofocus speed to 15 frames per second (fps),〔(Nikon announces 1 V2 - a more photographer-friendly, 14MP 1 series camera ) Dpreview〕 and the 1 V3, J4 with a new 18-megapixel image sensor, further increased again world’s fastest autofocus speed to 20 fps, 120 fps HD slow-motion at 1280 x 720 and 1080/60p.〔(Nikon 1 V3 offers improved AF system and faster continuous shooting ) DPreview〕 The J5 model added a 20.8MP sensor in 2015 and kept most other technical specifications the same as the J4 model. At the time of announcement, Nikon claimed that it features the world's fastest autofocus, with 10 fps—even during videos—based on hybrid autofocus (phase detection/contrast-detect AF with AF-assist illuminator), as well as the world's fastest continuous shooting speed (60 fps) among all cameras with interchangeable lenses.〔(Nikon announces Nikon 1 system with V1 small sensor mirrorless camera ) Dpreview〕 Slow-motion movies can be captured in up to 1200 fps with reduced resolution. Its inbuilt intervalometer enables time-lapse photography. The smaller CX sensor considerably increases the depth of field by 2.90 stops (2.7 times crop factor) compared to a 35mm FX camera at the same angle of view and f-number. ==New technologies== * Nikon CX format with 2.7 times crop factor.〔(Nikon 1 Cameras: CX Format Image Sensor ) Nikon USA〕 Although the image sensor area of 13.2 x 8.8mm2 is about half of the Micro Four Thirds system and a quarter of the Nikon DX format, it delivers a good performance for this small size,〔(Nikon 1 series: The tests ) Dxomark〕 comparable to current Four-Thirds sensors like Olympus E-5, Olympus PEN E-P3, Panasonic Lumix DMC-G3〔(Nikon 1 J1 vs Olympus PEN EP3 vs Panasonic GF3 ) Dxomark〕 or older DSLRs like Nikon D40.〔(Camera Sensor Ratings ) DxOMark〕〔(Imaging-resource: Sample images Comparometer ) Imaging-resource〕 * CMOS image sensor with integrated 73 phase detection sensors providing hybrid autofocus with both phase detection and 135-point contrast detect AF delivering the currently fastest commercially available autofocus.〔(Nikon Unveils Interchangeable Lens Camera System ) PCMag〕〔(Nikon 1 System First Impressions ) Dpreview〕 * Nikon 1-mount and F-mount adapter FT1 enabling the use of all F-mount lenses especially with integrated autofocus motor. The FT1 adapter mounts and meters with all AI-P, AF, AF-S, D and G lenses and compatibles providing autofocus with all lenses with integrated autofocus motor.〔(That New AF-S ED-IF G VR PC DC DX Nikkor is a What? ) Thom Hogan〕 It further mounts Pre-AI, AI, AI-S and E lenses without metering as well as lenses which jut out the F-mount (needing mirror lock-up on cameras with mirror). Although not recommended,〔(Nikon Mount Adapter FT1 Compatible Lens List ) Nikon〕 it is used with teleconverters for extreme telephotos.〔(Nikon V1 + FT1 Mount Adapter + 400mm f/2.8 + Teleconverter TC 2.0 Experimental )〕〔(Nikon 1 V1 and FT1 on Nikon AF-S 600mm f/4 VR lens + TC-14EII teleconverter )〕 * Lenses featuring Rear Focusing (RF) system with reduced moving masses and world's fastest extremely quiet Voice Coil motors (VCM) or Stepping (STM) motors to speed-up autofocus. * 3-Speed silent Power-Drive motor zoom in the Nikkor VR 10-100mm f/4.5-5.6 PD-Zoom optimized for shooting HD movies.〔(1 Nikkor VR 10-100mm PD-Zoom Lens Preview ) Cameradebate〕 * Nikon 1 Nikkor VR 10-100mm f/4.5-5.6 PD-Zoom integrates a high amount of technologies: High number of 21 elements including 1 High Refractive Index (HRI, >2), 3 Extra-low Dispersion (ED) and 2 aspherical lenses,〔(Nikon 10-100mm f/4.5-5.6 VR Lens Patent Could Be For New Nikon Mirrorless System ) Photographybay〕 Super Integrated Coating (SIC), internal focusing (IF) with world's fastest quiet Voice Coil motor, 3-speed silent PD-Zoom, Vibration Reduction (VR II), retractable lens mechanism and 7 rounded diaphragm blades.〔(Nikon 1 NIKKOR VR 10-100mm f/4.5-5.6 PD-ZOOM ) Nikon USA〕〔(Nikon 1 Nikkor VR 10-100mm f/4.5-5.6 PD-Zoom ) Dpreview〕 Together with the Canon EF 28-300mm lens it is the only current superzoom with 20 elements or more. * Fast electronic shutter (1/16 000) or additional electronically controlled mechanical focal-plane shutter. * The V1 incorporates a 'multi accessory port' currently used for dedicated 1 Series flash and GPS units as well as AS-N1000 cold shoe adapter for mounting the ME-1 stereo microphone. * High-speed dual multi-core image-processing pipelines with 600 megapixels per second speed: Expeed 3.〔(Nikon EXPEED 3 ) Nikon USA〕 * Smart Photo Selector Mode enables selection of the best candidates out of a high-speed sequence.〔(Nikon 1 Cameras Smart Photo Selector Mode ) Nikon USA〕 * Advanced High-definition video recording allows uninterrupted filming while capturing high-resolution photos. * Firmware updates of the Nikon 1 lenses are possible. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nikon 1 series」の詳細全文を読む スポンサード リンク
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