a7 (Alpha 7) Interchangeable Lens Camera

ILCE7K/B

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119,999
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  • 24.3 MP Full Frame Exmor® CMOS Sensor
  • BIONZ X™ engine for superb detail and noise reduction
  • E-mount interchangeable lens system
  • High-contrast, high-resolution XGA OLED Tru-Finder™
  • Simple sharing and control with Wi-Fi® and NFC One-touch

Lens

Lens Mount Sony E-mount lenses
Lens Compatibility Sony E-mount lenses

Sensor

TYPE 35 mm
SENSOR 35 mm full frame (35.8 x 23.9 mm) Exmor™ CMOS sensor
Number Of Pixels (Effective) 24.3MP
Number of Pixels (total) Approx. 24.7 megapixels
Image Sensor Aspect Ratio 3 : 2
Anti-Dust System Charge protection coating on Optical Filter and ultrasonic vibration mechanism

Recording (still images)

Recording Format (Still images) JPEG (DCF Ver. 2.0
Exif Ver.2.3
MPF Baseline compliant)
RAW (Sony ARW 2.3 format)
Image Size (pixels), 3:2 35 mm full frame L: 6000 x 4000 (24 M)
M: 3936 x 2624 (10M)
S: 3008 x 2000 (6.0 M)
APS-C L: 3936 x 2624 (10M), M: 3008 x 2000 (6.0M), S: 1968 x 1312 (2.6M)
Image Size (pixels), 16:9 35 mm full frame L: 6000 x 3376 (20M), M: 3936 x 2216 (8.7M), S: 3008 x 1688 (5.1M)
APS-C L: 3936 x 2216 (8.7M), M: 3008 x 1688 (5.1M), S: 1968 x 1112 (2.2M)
Image Size (pixels), Sweep Panorama Wide: horizontal 12,416 x 1,856 (23M), vertical 5,536 x 2,160 (12M)
Standard: horizontal 8,192 x 1,856 (15M), vertical 3,872 x 2,160 (8.4M)
Image Quality Modes RAW
RAW&JPEG
JPEG Extra Fine
JPEG Fine
JPEG Standard
RAW Output 14bit RAW
Picture Effect 13 types: Posterization (Color)
Posterization (B/W)
Pop Color
Retro Photo
Partial Color (R/G/B/Y)
High Contrast Monochrome
Toy Camera (Normal/Cool/Warm/Green/Magenta)
Soft High-key
Soft Focus (High/Mid/Low)
HDR Painting (High/Mid/Low)
Rich-tone Monochrome
Miniature (Auto/Top/Middle(H)/Bottom/Right/Middle(V)/Left)
Watercolor
Illustration (High/Mid/ Low)
Creative Style Standard
Vivid
Neutral
Clear
Deep
Light
Portrait
Landscape
Sunset
Night Scene
Autumn leaves
Black & White
Sepia
Style Box (1-6)
(Contrast (-3 to +3 steps)
Saturation (-3 to +3 steps)
Sharpness (-3 to +3 steps))
Dynamic Range Functions Off, Dynamic Range Optimizer (Auto/Level (1-5)), Auto High Dynamic Range (Auto Exposure Difference, Exposure Difference Level (1-6 EV, 1.0 EV step))

Recording (movie)

Recording Format AVCHD 2.0 / MP4
Video Compression AVCHD: MPEG-4 AVC/H.264
MP4: MPEG-4 AVC/H.264
Audio Recording Format AVCHD: Dolby Digital (AC-3) 2ch
MP4: MPEG-4 AAC-LC 2ch
Image Size (pixels), PAL AVCHD:1920 x 1080 (60p, 28M, PS)
1920 x 1080 (60i, 24M, FX)
1920 x 1080 (60i, 17M, FH)
1920 x 1080 (24p, 24M, FX)
1920 x 1080 (24p, 17M, FH)
AVC MP4: 1440 x 1080 (30fps)
VGA(640 x 480, 30fps)
MPEG 4: 720 Fine (1280 x 720, 30fps)
720 STD (1280 x 720, 30fps)
VGA(640 x 480, 30fps)
Movie Functions Audio Level Display, Audio Rec Level, Auto Slow Shutter, HDMI Info. Display

Storage Media

Compatible Recording Media Memory Stick PRO Duo™
Memory Stick PRO-HG Duo™
Memory Stick XC-HG Duo
SD memory card
SDHC™ memory card
SDXC™ memory card

Noise Reduction

Noise Reduction Long exposure NR: On/Off, available at shutter speeds longer than 1 sec.
Multi Frame NR Auto/ISO 100 to 51200

White Balance

White Balance Modes Auto
Daylight
Shade
Cloudy
Incandescent
Fluorescent: Warm White / Cool White / Day White / Daylight
Flash
Color Temperature 2500 to 9900K & color filter G7 to M7(15-step), A7 to B7(15-step)
Custom
Underwater
AWB Micro Adjustment G7 to M7, 15-step / A7 to B7, 15-step
Bracketing 3 frames, H/L selectable

Focus

Focus Type Fast Hybrid AF (phase-detection AF/contrast-detection AF)
Focus Sensor "Exmor®" CMOS sensor
Focus Point 35 mm full frame: 117 points (phase-detection AF) APS-C: 99 points (phase-detection AF) / 25 points (contrast-detection AF)
Focus Sensitivity Range EV0 to EV20 (ISO100 equivalent with F2.8 lens attached)
AF Mode AF-S (Single-shot AF), AF-C ( Continuous AF), DMF (Direct Manual Focus), Manual Focus
Focus Area Multi Point (117 points (phase-detection AF), 25 points (contrast-detection AF)) / Zone / Center-weighted / Flexible Spot (S/M/L)
Other Features Lock-on AF, Eye Focus, Predictive control, Focus lock, Eye-Start AF (only with LA-EA2 or LA-EA4 attached (Sold separately))
TYPE
AF Illuminator range Approx. 0.3 m - approx. 3.0 m (with FE 28-70 mm F3.5-5.6 OSS attached)

Exposure

Metering Type 1200-zone evaluative metering
Metering Sensor "Exmor®" CMOS sensor
Metering Sensitivity EV0 to EV20 (at ISO100 equivalent with F2.8 lens attached)
Metering Mode Multi-segment
Center-weighted
Spot
Exposure Modes iAUTO
Superior Auto
Programmed AE (P)
Aperture priority (A)
Shutter-speed priority (S)
Manual (M)
Sweep Panorama
Scene Selection
Movie (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) )
Scene Selection Portrait
Landscape
Macro
Sports action
Sunset
Night portrait
Night scene
Hand-held Twilight
Anti-Motion Blur
Exposure Compensation +/- 5.0EV(1/3 EV, 1/2 EV steps selectable) (with exposure compensation dial: +/- 3EV (1/3 EV steps))
Auto (AE) Bracketing Bracket: Cont./Bracket: Single, With 1/3 EV, 1/2 EV, 2/3 EV, 1.0 EV, 2.0 EV, 3.0 EV increments, 3/5 frames (2.0 EV, 3.0 EV: only 3 frames) selectable
AE Lock Locked when shutter button is pressed halfway. Can be disabled from the Menu. Available with AE lock button.
ISO Sensitivity (Recommended Exposure Index) ISO 50–25600

Viewfinder

Viewfinder Type 0.5"-type electronic viewfinder (color)
Number of Dots 2,359,296 dots
Brightness Control (Viewfinder) Auto/Manual (5 steps between -2 and +2)
Color Temperature Control Manual (5 steps)
Field Coverage 100%
Magnification approx. 0.71 x (with 50 mm lens at infinity, -1m-1) diopter
Dioptre Adjustment -4.0 to +3.0m -1diopter
Eye Point Approx. 27 mm from the eyepiece lens, 22 mm from the eyepiece frame at -1m -1diopter (CIPA standard)
Viewfinder Display Graphic Display, Display All Info, No Disp. Info, Digital Level Gauge, Histogram
Real-time Image Adjustment Display On/Off

LCD Screen

TYPE 3.0 in type TFT LCD
Total Number of Dots 921,600 dots
Brightness Control (LCD) Manual (5 steps between -2 and +2), Sunny Weather mode
Adjustable Angle Up by approx. 90 degrees, Down by approx. 45 degrees
LCD Display Graphic Display
Display All Info
No Disp. Info
Level
Histogram
For viewfinder
Real-time Image Adjustment Display (LCD) On/Off
Focus Magnifier Yes Focus Magnifier (35 mm full frame: 5.9x, 11.7x APS-C: 3.8x, 7.7x)
Quick Navi Yes
Peaking MF Yes (Level setting: High/Mid/Low/Off, Color: White/Red/Yellow)

Other Features

Face Detection On/On (Regist. Faces)
Off
Face registration
Face selection (Max. number of detectable faces: 8)
Auto Object Framing Still images
Clear Image Zoom Approx. 2x
Smart zoom (Still Image) 35 mm full frame: M:approx 1.5x, S:approx 2x
APS-C: M:approx 1.3x, S:approx 2x
Digital zoom (Still Image) 35 mm full frame: L:approx 4x, M:approx 6.1x, S:approx 8x; APS-C: L:approx 4x, M:approx 5.2x, S:approx 8x
Digital zoom (Movie) 35 mm full frame: approx 4x APS-C: approx 4x
PlayMemories Camera Apps™ YES
Lens Compensation Peripheral Shading, Chromatic Aberration, Distortion
Image Processor BIONZ X™
Self-Portrait Yes (3 sec delay/OFF selectable)
Smile Shutter Smile shutter (selectable from 3 steps)
Touch Shutter YES

Shutter

Shutter Speed Still images: 1/8000 to 30 sec, Bulb
Movies: 1/8000 to 1/4 (1/3 steps) up to 1/60 in AUTO mode (up to 1/30 in Auto slow shutter mode)
Flash Sync. Speed 1/250 sec.
Electronic Front Curtain Shutter Yes (On/Off)

Image Stabilization

Steadyshot Not supported (image stabilization supported on lens)

Flash Control

Flash Control Pre-flash TTL
Flash Compensation +/- 3.0 EV (switchable between 1/3 and 1/2 EV steps)
Flash Modes Flash off
Autoflash
Fill-flash
Slow Sync.
Rear Sync.
Red-eye reduction (on/off selectable)
Hi-speed sync.(With compatible external flash)
Wireless control (With compatible external flash)
External Flash Compatibility Sony a System Flash compatible with Multi Interface Shoe, attach the shoe adapter for flash compatible with Auto-lock accessory shoe
Wireless Control Yes

Drive

Drive Modes Single Shooting
Continuous shooting
Speed Priority Continuous shooting
Self-timer (10/2 sec delay selectable)
Self-timer (Cont.) (with 10 sec delay 3/5 exposures selectable)
Bracket Single
Bracket Cont.,WB Bracket
DRO Bracket
Continuous Drive Speed (approx. max.) 5fps (in Speed Priority Continuous Shooting mode)

Playback

Playback Modes Single (with or without shooting information RGB histogram & highlight / shadow warning)
9/25-frame index view
Enlarged display mode (L: 18.8x, M: 12.3x, S: 9.4x)
Panorama (Standard): 25.6x, (Wide): 38.8x
Auto Review (10/5/2 sec, Off)
Image orientation (Auto/Manual/Off selectable)
Slideshow
Panorama scrolling
Folder selection (Date/Still/MP4/AVCHD)
Forward/Rewind (movie)
Delete
Protect

Interface

PC Interface Mass-storage, MTP, PC remote
NFC™ Yes (NFC forum Type 3 Tag compatible)
HD Output HDMI micro connector
BRAVIA Sync (link menu)
PhotoTV HD
4K still image PB
Multi Interface Shoe Yes
Interfaces Multi/Micro USB Terminal
Multi Interface Shoe
Microphone minijack
Headphone minijack
Vertical Grip Connector
Smart Accessory Terminal 2 Remote Control (RMT-DSLR2 (sold separately)); Headphone Terminal (3.5 mm Stereo minijack); Vertical Grip Connector

Audio

Microphone Built-in stereo microphones or ECM-CG50/XLR-K1M (sold separately)
Speaker Built-in, monaural

Print

Compatible Standards Exif Print, Print Image Matching III, DPOF setting

Power

Supplied Battery NP-FW50 W-series Rechargeable Battery Pack
Battery Life (Still Images) Up to 340 shots
Battery Life (CIPA, Movies) Actual Recording: Approx. 60 minutes (Viewfinder), Approx 65 minutes (LCD screen) (CIPA standard)
Continuous Recording:Approx. 100 minutes (Viewfinder), Approx 100 minutes (LCD screen) (CIPA standard)
External Power AC Adapter AC-PW20 (sold separately)
Internal Battery Charge Yes

Size & Weight

Dimensions (W x H x D) 126.9 x 94.4 x 48.2 mm
Weight (with battery and memory card included) 416 g (Body Only) / 474 g (With battery and media)

WiFi® & NFC

View on Smartphone Yes
Upload to PC Yes
View on TV Yes
Wireless & Network Capabilities Wi-Fi
NFC One-touch functionality
Downloadable Camera Apps

Compatible OS

Compatible OS Windows Vista SP2, Windows 7 SP1, Windows 8, Mac OS X (v10.5-v10.8)

Footnotes

* Continuous movie recording is possible for approximately 29 minutes (limited by product specifications).
** Indicated recording time is defined by repeating the following cycle: Power on, start recording, zoom, stand-by, and power off.
*** Indicated recording time is defined by repeating the following cycle: Pressing the MOVIE button. No other operations such as zoom are performed.
  • Rechargeable Battery NP-FW50
  • AC Adaptor AC-UB10
  • Shoulder strap
  • Body cap
  • Accessory shoe cap
  • Eyepiece cup
  • Micro USB cable
  • SEL2870

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