Emergency vehicle fleet prepared for commercial vehicle safety systems
Knowledge Base

Guides Written for Buyers, Not for Search Engines

Every article answers a question our engineering team is asked repeatedly by distributors, fleet engineers and installers — with enough detail to use in a real specification.

From the JFA-CAM engineering desk

Start with the decision, then go deeper.

These guides come from real specification, installation and quality work. Start with the buying guide if you are choosing a system, then use the technical articles to settle lenses, interfaces, power, recording and mounting.

25 guides · 5 topic groups · no sponsored rankings

Browse the topics
10 articles

Camera knowledge

Practical guidance for real installations
On-vehicle installation
Camera knowledge

02. How Far Will a Camera Actually See? Focal Length, Sensor Size and Field of View, Worked Out

Focal length, sensor size and field of view worked out: how far a camera sees, what lens reads a plate at 10 m, and the mounting blind strip.

Read guide 11 min read
On-vehicle installation
Camera knowledge

03. AHD vs IP vs CVBS: Which Video Standard for a Vehicle Fleet?

AHD, IP and CVBS compared for commercial vehicles: resolution, cable distance, latency, cost, recording quality and which standard suits which installation.

Read guide 4 min read
Lens film application
Camera knowledge

04. Camera Sensor Guide: 2053, 8536H, 307 — What the Chipset Numbers Mean

How to read a vehicle camera datasheet: sensor size, what chipset numbers such as 2053, 8536H and 307 actually mean, lens construction, WDR and IR-CUT filters.

Read guide 6 min read
Field installation
Camera knowledge

05. IP69K vs IP68 vs IP67: What Vehicle Camera Ratings Really Mean

What IP ratings actually test, why IP68 and IP69K are not comparable, why IP69K matters for pressure-washed fleets, and what the rating does not cover.

Read guide 5 min read
Field installation
Camera knowledge

06. Night Vision for Commercial Vehicles: How to Read Lux and IR Specifications

How infrared night vision works on vehicle cameras: lux ratings, 650 versus 850 nm LEDs, IR range, backscatter and why housing design decides image quality.

Read guide 5 min read
Field installation
Camera knowledge

07. Why Night Video Smears When the Vehicle Moves — And How to Specify Around It

Motion smear on vehicle cameras comes from exposure time, not a fault. How shutter speed, noise reduction and frame rate blur a moving night image.

Read guide 8 min read
Field installation
Camera knowledge

08. When a Vehicle Camera Goes Purple: The Conditions That Cause It

Purple or magenta video is not a random fault. It appears only under a specific set of conditions — what has to be true first, how to tell the five conditions apart, and the tests that reproduce each one.

Read guide 21 min read
Field installation
Camera knowledge

09. LED Flicker and Banding in Vehicle Video: Why Traffic Lights Strobe on Recordings

Why LED traffic lights and billboards strobe or band in vehicle video, why it matters for evidence, and what LED flicker mitigation changes.

Read guide 7 min read
Field installation
Camera knowledge

10. Camera Latency by Interface: Why a Reversing Camera Must Never Be an IP Camera

Typical latency for LVDS, AHD, USB and IP video, how far a truck travels while the image arrives, and which interface suits each duty.

Read guide 7 min read
360 calibration on site
Camera knowledge

11. 25, 30, 50 or 60 fps: What Actually Limits a Vehicle Camera’s Frame Rate

Why a camera that can run at 60 fps ships at 25, what the analogue and processor limits are, and how to check a frame rate claim.

Read guide 8 min read

Looking for a reliable camera system supplier?

Tell us your vehicle type and application — we will recommend the right system and quote within 24 hours. Distributors and OEM/ODM projects welcome.