A guide to using filters to their maximum potential

• Neutral Density Filters (ND)
  • What is a neutral density filter (ND)?
  • How strong is my ND filter?
  • What strength of ND filter should I use?
  • How do I calculate the correct shutter speed using an ND filter?
  • Minimising ‘light leak’?
• Graduated Neutral Density Filters (GND)
  • What is a graduated neutral density filter (GND)?
  • How strong is my GND?
  • What are the different types of GND and when should I use them?
  • What strength of GND should I use?
• Tips for using your ND and GND filters effectively
• Circular Polarising Filter (CPL)
  • What is a circular polarising filter (CPL)?
  • How do I use a CPL effectively?
• Natural Night Filter
  • What is the ‘Natural Night’ filter?
  • How do I use the Natural Night filter effectively?