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  • Hitachi VK-S655 Image 1

Hitachi VK-S655 Compact Chassis Camera

Quick Overview

1/4" Progressive Scan Ex-View Color CCD, NTSC/PAL output, 36X Optical Zoom F1.4 Lens and practical f value 3.3-119mm, 540 TV Lines of Resolution.

The Hitachi VK-S655 is a RoHS-Compliant compact chassis-type camera designed for surveillance of various sites under a wide range of light conditions. Even high-contrast scenes can be captured without glare or loss of detail thanks to the Wide Dynamic Range design.

Compact 36x Optical Zoom Lens
A reliable built-in x36 optical power zoom lens allows the user to monitor a scene from any angle. Combined with x12 digital zoom, the total zoom ratio is x432. Maximum digital zoom ix x2 when EIS is activated.35x compatibility mode available.

Progressive Recording Direct to HDD
Record high quality video directly to your hard disk. Say goodbye to grainy images and troublesome lines with progressive recording. Use this new function for cleaner, better quality video.

Electronic Image Stabilizer
Hitachi's EIS function allows for the ultimate video experience. By automatically eliminating blurry, jumpy images the VK-S655N/S655EN can be mounted in a vehicle to give crisp, easy-to-view images.

Wide Dynamic Range (WDR)
Hitachi's Wide Dynamic Range Technology uses two shutter speeds in alternative video fields and combines two fields into one progressive scan frame. The highly sensitive F1.4 lens allows detailed capture of images even in a mixture of over-bright and dark scenes.


  • Surveillance - In corporate, medical, learning institutes and other public places, security camera solutions offer peace of mind
  • Traffic Management - Monitoring and responding to ongoing road activity in residential and business areas
  • Telepresence - Conference type solutions in business or learning institutions
  • Low Vision Magnifier - Video technology for sight impaired individuals
  • Specifications
    Image Size 4.5mm Dia. (1/4-inch)
    Total Pixels 410k (811 x 508)
    Effective Pixels 380k (768 x 494)
    Progressive Scan Yes
    Zoom Magnification 36x
    35x compatibility mode Yes
    Practical f-value 36x (3.3-119mm) / 35 x (3.4-119mm)
    Practical Horiz. Angle 36 x (60.2°(w)° - 1.8°(t)) / 35 x (58.2°(w)° - 1.8°(t)) 
    F-value F1.4(w)* - F4.2(t)
    Zoom Speed (Manual) 4.6s*/6.6s 
    (In Preset : Trace / No-) 3.2s/2.0s  
    Auto VAF
    Manual (Far/Near) Provided
    Focal Range infinity - 1m (t) - 0.01m(w)* 
    Auto  Pro. AER+*(OFF - ON - 1/4 - 1/4k)
    Manual (ON/OFF) Provided (soft)
    Zoom/Focus/Iris 500k cycles
    IR Removable 50k cycles
    Method : Speed RS-232C : 57.6k /38.4k / 19.2k / 9.6k / 4.8k* bps 
    Command Protocol EAP (ECho control based on Address Protocol)/AFP (Ack control based on Function Protocol)
    Digital Slow Shutter Yes w/o WDR
    Frame Output OFF* / ON
    Wide Dynamic Range OFF* / ON (Auto* (offset) / Manual) 
    Frame Noise Reduction OFF / ON*
    Image Reverse OFF* / ON 
    Mirror OFF* / ON 
    Image Freeze OFF* / ON 
    Vertical Invert OFF* / ON 
    B&W OFF* / ON 
    Privacy Masking OFF* / ON * (2 zone 2-D / 8 zone 3-D (4/1 screen) 
    Motion Detect OFF* / ON 
    Motion Tracking YES (aera assignable)
    Various Customizable Settings Yes (Preset store (max. 111), WB tuning)
    Dynamic Spot Cancel Yes
    Slow Response AE 1x - 254x
             Zoom Mag. OFF* / ON (12x* (max. 12x)
             Auto Pro. AE (1/60 - 1/4ks)
             Auto (+DS Shutter) Pro.AE+ (1/2 - 1/4 - 1/4ks:Seamless)
             Manual Shutter priority 1/1 - 1/30ks
    Exposure priority F1.4 - F32
    AGC priority 0 - 30dB
             Manual (Sensitivity) 64x, 32x, 16x, 8x, 4x, 2x 
             Iris Auto*/Manual
             White Balance Auto*/Manual
             Normal Typ. 540 Min. 520 TVL 
    LUMINANCE S/N RATIO 50 dB or more
             IR-cut ON 1.0 lx
             IR-cut ON 0.1 lx
             IR-cut OFF  Approx: 0.01 lx (B/W)
             Condition  (F1.4(w), 50 IRE)
    SYNC SYSTEM Internal / Line-Lock (60Hz)
             Supplied Voltage  9-12V DC
             Supplied Current  290mA
             Max.  380mA  
             Consumption  2.6 W 
             Consumption Max. 3.4W
    VIDEO OUTPUT VBS:1.0Vp-p, Y/C Output
    VIDEO OUTPUT (DIGITAL OUTPUT) YUV422 8 bit output (REC656 type)
    DIMENSION  50 x 60 x 89.5mm (w/ M-case) 
    WEIGHT 235g (w/ M-case) 
    NO. OF CONNECTORS 4 (9 pin/4 pin : Analog Output) , (24pin/30pin: Digital Output)
    OPERATING TEMP. (RECOMMENDED) -10 - 60°C (0 - 40°)
    No Video available
    Hitachi VK-S655
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