Guidance on using Zoom Video Conferencing for:

and some additional general help:

Frequency Separation by John Dobson

A zip file containing

  • instructions
  • a video tutorial
  • an example
  • and actions for Photoshop

can be downloaded here.

Luminosity Actions by John Dobson

The video file can also be viewed here and below

and downloaded here

while the Quick Luminosity Action Install can be downloaded as a compressed zip file from Dropbox here by clicking on the Direct Download


PCC – Data Protection Policy

Viveca Koh on Smart Phone apps for photography


Manual on PCC Studio Lights


Peter Robin & Lew Wasserstein on Studio Lights, High Speed and Macro

Simon Mee on Back Button Focus


John Dobson on Experimenting with manipulated images.



Peter Robin on Macro photography

as PDF

The CACC Calibration Set,  A set of images used for calibrating computer screens or projectors.