Shenzhen Kai Mo Rui Electronic Technology Co. LTDShenzhen Kai Mo Rui Electronic Technology Co. LTD

Product

CM8255 Category::Long zoom

CM8255 2.12 megapixels, 55x zoom, digital output: LVDS, analog output: CVBS, focal length 4.25–234 mm

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IntroductionParameters

Product Introduction

CM8255


- 1/2.8" Sony STARVIS CMOS sensor


2.16 million pixels (total pixels)


2.12 million pixels (effective pixels)


- 55x zoom (TBD)


Built-in 40x optical zoom lens with extremely high reliability.


It features autofocus, auto iris, auto D&N, and zoom functionality.


- Full HD resolution


1920x1080p 30/25fps 1280x720p 30/25fps


- Day/Night mode (ICR)


Day/Night mode (ICR) automatically activates based on ambient light conditions, enabling the camera to operate effectively in both daytime and nighttime environments.


- DNR (Digital Noise Reduction, 2D+3D)


DNR technology reduces noise to produce clear images. The camera's DNR function utilizes adaptive 2D filters and adaptive 3D filters, with the former reducing noise in image brightness and the latter reducing noise caused by motion.


- Privacy Masking Function


The privacy region function can mask specific areas within a scene.


- Screen Display


This camera supports OSD functionality. Therefore, the camera can be controlled by selecting text displayed on the monitor screen.


- Smart Motion Detection


When motion is detected on the screen, an alarm signal can be triggered. This feature is particularly useful when monitoring multiple screens simultaneously.


- Digital Image Stabilizer (DIS)


The image stabilizer function reduces image blur caused by vibrations, allowing you to obtain images with minimal blur.


Output


Digital Output: LVDS


Analog Output: CVBS


- Protocol


This camera supports multiple protocols (VISCA, PELCO-D, PELCO-P).


Product Parameters

Model

CM8255

Image Sensor

1/2.8" Sony IMX335 CMOS Sensor

Total Pixels

1945(H) x 1109V) = 2.16M pixels

Effective pixels

1945(H) x 1097(V) = 2.13M pixels

Active pixels

1937(H) x 1097(V) = 2.12M pixels

Scanning system

Progressive Scan

Sync. System

Internal

Resolution

Digitall : 1080p 30/25fps, 720p 30/25fps

Analog : CVBS

Min. illumination (50%)

Color(1/30s, 72.0dB) : 0.02 lux , BW(1/30s, 72.0dB) : 0.002 lux

Color DSS(1/1s, 72.0dB) : 0.002 lux , BW DSS(1/1s, 72.0dB) : 0.0002 lux

Video Output

Digital : LVDS

Analog : CVBS

S/N Ratio

more than 50dB (AGC off)

Lens

Lens type

40x Day & Night Zoom Lens

Zoom Ratio

x55, Digital x32 Zoom (TBD)

Focal Length

f =  4.25mm ~ 234mm

Aperture Ratio

F1.6 (wide) ~ F4.95 (tele)

Angle of View (D, H, V)

Wide

69.30°

62.13°

37.44°

Tele

1.48°

1.29°

0.73°

Function

Zoom/Focus


Focus Mode

Auto / One Push / Manual / Auto-Ext

Distance

0.1 / 1.5 / 3.0 / 6.0 / 10.0 m

Zoom Speed

0(Slow) ~ 7(Fast)

Lens Refresh

One Push / 1day ~ 10days

E.Zoom

Off / MAX 2x ~ 32x

Zoom Preset

5 preset

Exposure


Mode

Auto / Iris. Priority / Shut. Priority / Manual

AGC(Gain Control)

0 ~ 10 steps

Shutter Speed

1/1 ~ 1/100,000 sec

Iris

Close ~ F1.6

DSS(Digital Slow Shutter)

Off / 2x / 4x / 8x / 16x / 32x

Flickerless

Off / On / Auto

Brightness

0 ~ 14 steps

BACK LIGHT

Off / BLC /HLC

Day&Night

Auto / Day / Night / Ext-in

White Balance


Mode

Auto / One Push / Manual / Indoor / Outdoor / Auto-Ext

Red Gain

0 ~ 100 steps (Manual mode only)

Blue Gain

0 ~ 100 steps (Manual mode only)

Chroma

0 ~ 20 steps

Hue

0 ~ 20 steps

Image


DNR

2D/3D, 2D+3D

LEVEL

0 ~ 15 steps (2D+3D)

2D-NR

0 ~ 15 steps (2D/3D)

3D-NR

0 ~ 15 steps (2D/3D)

Mirror

Off / H / V / H&V

Sharpness

0 ~ 15 steps

Contrast

0 ~ 20 steps

Image Bright

0 ~ 20 steps

DWDR

Off / Manual / Auto

Defog

Off / Manual / Auto

Freeze

Off / On

Gamma

0.35 ~ 0.70

Intelligence


Privacy Mask

Off / On (8 points)

Motion Detection

Off / On (4 points)

DIS(Digital Image Stabilizer)

Off / On

Special Func.


Defect DET

Off / On

System

NTSC / PAL

HD Format

720p30(25)fps / 1080p30(25)fps

Comm

ID : 1 ~ 255

Baud Rate : 2400 / 4800 / 9600 / 19200 / 38400 /  57600 / 115200 bps

Protocol : Pelco-P / Pelco-D / VISCA

Display


Disp Sel (Off / On)

ID / Title / Zoom Ratio / System Message

Set Title

Text Edit

Init Sel (Off / On)

ID / Baud Rate / Protocol / Version / Init. Message

Set Init Msg

Text Edit

Electrical

Power Source

9V to 15V DC

Power Consumption

Max 540mA (@ 12VDC)

General

Power Input

Connector

Video Output

Connector

Operating Temperature

-10℃ ~ +50℃ (Humidity : 0%RH ~ 90%RH)

Storage Temperature

-20℃ ~ +60℃ (Humidity : 0%RH ~ 90%RH)

External Dimension

54(W) X 64(H) x 101(D)

Weight

355g


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