CPP: Inverse Square Law

Steve Kozak M.Photog.Cr., CPP

Alas, the rumors about the Inverse Square Law being on the CPP exam are true! Learn about what it is and how to apply it in this video as PPA Instructor Steve Kozak takes you through Inverse Square Law as it relates to the CPP Exam. Topics covered include:

  • Definition of the Inverse Square Law
  • How to apply Light Falling off
  • Distance between your subject and your light source
  • Using Inverse Square Law in regards to distance and F-Stops

Don’t worry – it’s not as confusing as it sounds! Steve gives you everything you need to know about this important rule so you’ll be all set to ace the test.

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Steve Kozak Bio

Steve Kozak is an active member of the Professional Photographers of America and the Texas Professional Photographers Association. PPA Certified and having earned “Master of Photography” and the “Craftsman” degrees, his work has appeared in the prestigious “Loan Collection.” Professional recognition of his work includes the Masterpiece Award from Fuji Film USA and the Sunset Print Award from LexJet. He has served on the PPA Board of Directors and is a PPA qualified instructor for PPA Certification prep classes.

Steve has recorded over a dozen videos for the PPAedu program. These videos include classes on the fundamentals of photography, manual flash photography, exposure, opening a new studio as well as videos for CPP study preparation.


He has taught 19 years at the prestigious Texas School of Professional Photography and 16 years at Imaging USA.  He has also taught at the Mid-America Institute of Professional Photography, The East Coast School, and Image Explorations near Victoria, British Columbia.

Steve serves as the Executive Director of the Texas Professional Photographers Association.