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Varifocal vs Fixed Lens — How to Pick Focal Length for Distance
Explores key differences between varifocal and fixed-lens security cameras, including how each impacts framing, flexibility, and image consistency. Covers practical camera planning fundamentals: calculating focal length, estimating field of view at a given distance, and evaluating pixel density to ensure the right level of detail for identification, recognition, or general monitoring. Includes real-world examples for selecting the best lens option based on scene size, mounting location, and coverage requirements.
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Firestopping Penetrations - Low-Voltage Compliance Guide
Covers compliant firestopping for security and low-voltage cable penetrations: identify rated wall and floor assemblies, select the correct listed firestop system, and install it with proper materials, clearances, and application depth. Includes labeling and documentation practices to support inspections and closeout.
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ONVIF Streaming Standard | Architecture, Discovery, RTSP & Security
ONVIF powers cross-vendor interoperability for IP cameras by standardizing discovery, configuration, and streaming setup. This guide breaks down the SOAP/WSDL control plane, WS-Discovery device detection, Media profiles and GetStreamUri, and the RTSP/RTP/RTCP media stack—plus PTZ, events/metadata, and security (WS-Security, HTTPS/SRTP) with a look toward WebRTC.
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How to configure LDAP with AD on an Exacq VMS Server
Learn how to connect exacqVision to Microsoft Active Directory or Azure AD Domain Services using LDAP (389) or secure LDAPS (636). This walkthrough covers setup, testing, and adding directory users/groups for login access.
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