Electro-optical Magnification

PLV0

CCTV magnification

• M = Mcctv * RDM

• Mcctv = image size/ object size

• RDM = reference distance/ new distance

desktop cctv

• best for long term reading

• movable table (XY) mounted under camera

  • X = side to side

  • Y = forward and backward

  • can be locked

portable cctv

• best for longterm reading at school or work

• no movable table

• mounted to monitor or stand - flexible camera mount

• computer/ iPad/ android compatability

computer/ laptop cctv

• camera, control unit, & software

• Windows XP or MAC OSX 10.8 or later

• some need more than 1 USB port

• power source: plug in, USB, or rechargeable battery

computer/ laptop cctv other features

• screen grabber function

• split screen

• OCR

• line markers and window masking

hand held cctv

• electronic equivalent

• spotting or short term use

NuVision

• focus from 6 inches to infinity

• 10x at near, 5x at dist

• lightwweight

• fits over spectacles

• direct video input