Question by : Should I buy the GVS1000 Long Range IR Day Night PTZ Surveillance Camera?
Hello

I am looking to protect a Port Harbor and need to see about 1000m at night.

I was looking at the GVS1000 because its made by Bosch (Extreme CCTV) but it only does 1km distance which is a bit short as I am hoping to get at least 2km, of night vision.

The GVS1000 uses active IR but I am not sure if thermal would be better.

Is there a better solution out there or is the GVS1000 the only camera that can see these ranges at night.

If there are better solutions out there please post information and links

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Thanks for your help please post some other options that are available.
Wow thanks William, Ascendent makes some amazing products they are going to custom build me a solution with active IR and thermal, thanks for giving me exactly what I needed.

Sincerely
Eric

Best answer:

Answer by William
Hello

Manufacturer: http://www.ascendentgroup.com/home.htm
Information: http://www.gobeyondsecurity.com/forum/topics/long-range-ir-surveillance
Demo Video: http://www.ascendentgroup.com/technology.htm

Ascendent Technology Group offers Extreme Long Range Active IR, Cooled thermal imager and long range motorized zoom optics. Ascendent also offer 1024X1280 HD Cooled thermal imager with lens up to 1500mm but we usually integrate it with Active IR so you get get identification not just detection.

The Ascendent Sigma series is better then the Bosch GVS1000 for 7 main reasons.

1) Longer Range: Ascendent offer up to 8km (Bosch 1km)
2) Better illumination: Ascendent uses lasers for wider angle and better distance.)
3) Lasts longer Bosch GVS1000 2000 hours Ascendent 10,000 hours
4) Technology Bosch uses outdated LED technology Ascendent uses lasers
5) Better Pan-Tilt-Zoom GVS-1000 up to 8 degrees a second Sigma offer 90 degrees
6, Lens Options Bosch max is 1500mm Ascendent is 5000mm
7, Bosch is only active IR, Ascendent offers Active and Passive IR

Active IR vs Thermal Imaging
Active IR imaging has significant advantages over thermal imaging by producing images with up to 500% higher resolution. Active IR also has the ability to go through optically pure substances such as windshields. Since thermal relies on heat waves it works great for long range detection but does not have the ability to capture details making virtually useless for identification unlike optical systems. But thermal has greater distance and can worl in bad weather like heavy rain, snow or fog unlike optical systems.

Zoom Laser IR Diode (ZLID)
Ascendent’s ZLID laser illuminators combine laser diode technology with precision engineered optics and sophisticated electronics to provide extreme long range Active IR illumination greatly exceeding both performance and Distance over traditional IR LED illumination in application that require over 200m (650ft) of illumination. Ascendents ZLID (Zoom Laser IR Diodes) Technology (IR Laser) synchronizes IR intensity and area illumination with motorized zoom lens for outstanding active IR performance, eliminating over exposure, washout, and hot-spots for unparalleled performance at distances up to3.5km (11,500ft) and 10km classification performance at 10km in complete darkness.

The Sigma Series PTZ delivers long range day/night surveillance. Its powerful 20-3000mm motorized zoom lens can detect intruders at distances of up to 35km. The high-output, continuous-wave laser provides recognition for up to 8km and identification up to 3km. Ascendents Sigma series provides unparalleled video surveillance and situation assessment for perimeter protection and border defense.

Key Features:
3000m (9,845 ft) Identification performance Distance in complete darkness (Optional 10km)
ZLID : Zoom Laser Infrared Diode (Syncs with Zoom Lens)
Lens: 25-1500mm, 20-3000mm 1000mm-5000mm motorized Zoom Lens
1/2 EMCCD infrared tuned True Day Night camera
Dual MICF IR cut filter switch for true day night performance
Endless 360 degree, Heavy Duty Pan-Tilt-Zoom (PTZ) Positioning,
Extreme environment -45C~60C with anti corrosive coating
Optional FLIR Thermal 680×480 Or Ascendents 1024X1280 imager
Integration with AVA Video Analytics
High precision Pan-Tilt driver

Industry Leading Performance
Ascendent’s Active IR module combines laser diode technology, quality precision optics and sophisticated electronics. This creates long range active IR illumination greatly exceeding both the performance and distance of traditional IR LED illumination. The ASCLIR3000M-810 (IR Laser)
synchronizes IR intensity and area illumination with motorized zoom optics for flawless active IR imaging. This eliminates overexposure, washout and hot-spots for outstanding night time performance at great distanceSuperior Image Quality The Sigma series incorporates highly tuned 1/2 ” EMCCD imaging equipment that is optimized for long range surveillance to render superb detail rich color by day. At night or 0 lux environments the Sigma series intensifies IR light on an electron level for clean crisp monochrome images. This in tandem with its laser illuminator to capture minute details resulting in identification and prosecution of trespassing parties.

Long Range Zoom Optics
IR optimized optics for 24/7 long range surveillance up to 90,000Ft (30KM) by day and (3.2km) 10,000ft in 0lux (complete darkness) while maintaining excellent clarity. Making it the clear choice for perimeter protection, homeland security, critical infrastructure and military logistics.

Ascendent is the only company I use for Long Range Passive and Active IR.

Hope this helps
Will

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