The basic rules is:The smaller the focal length number (eg. 3.6mm, 4mm), the wider area you can see; the bigger the focal length (12mm, 16mm), the further you can see, but with narrower viewing angle. You...
Golf GPS vs Laser Rangefinders What is Best for My Game? Dear fellow eBayer and golfer After reading this guide, if you found it useful, please click yes at the bottom of the page. Are you a good golfer? Do...
The most common complaint about digital cameras is that they are tough on batteries. The need to power the LCD display continuously is given as the main reason for this heavy drain. It's a fair comment, but...
Subject: Laser Buying Guid e Topic: Eye Hazards Purpose: To provide a comprehensive overview of the potential Eye Hazards associated with the use of uncertified lasers.Audience: Laser owners, intending...
OZCCTV, YOURS SECURITY! --- click here to visit our ebay store The Minimum Illumination The minimum illumination means a figure that the object brightness is as low as the regulated degree of a camera...
OZCCTV, YOURS SECURITY! Camera Synchronization Modes: Vertical Synchronization, Color Video Compound Signal Synchronization, External Synchronization, Direct Currency Locked and Complete Synchronization...
Why doesn't my DVD play on my DVD player?There can be multiple reasons but the most common is your laser lens needs a clean or your DVD player is not formatted to read that particular disc, WHAT? You ask Some...