Springwood Farm

Mysteries of Photography

A series of short articles on some weird and wonderful aspects of human perception, imaging and photography.

  1. Mysteries of Photography #1:  We see with our Brains, not with our Eyes

  2. Mysteries of Photography #2: Your Brain, Rainbows and RGB

  3. Mysteries of Photography #3: White Balance, a.k.a. Colour Temperature

  4. Mysteries of Photography #4:  Edge Perception

  5. Mysteries of Photography #5: Black and White Conversion

  6. Mysteries of Photography #6: Why is Lens Aperture always “F” Divided by a Number?

  7. Mysteries of Photography #7: Why 1.4, 2, 2.8, 4, 5.6, 8, 11, 16, etc.?

  8. Mysteries of Photography #8: Binary Numbers and Photography

  9. Mysteries of Photography #9: Why I made a deliberate error in Mysteries #8 and why White is (255,255,255) in JPG RGB

  10. Mysteries of Photography #10: Are your Prints and your Digital Images showing as too dark in competitions?

  11. Mysteries of Photography #11: Why do competitions specify Digital Images in the sRGB colorspace?

  12. Mysteries of Photography #12: Is sRGB all that bad?

  13. Mysteries of Photography #13: Why there is no such thing as depth of field but we think there is

  14. Mysteries of Photography #14: The Mysteries of Light

  15. Mysteries of Photography #14: What is Colour and why is the Grass Green?

  16. Mysteries of Photography #16: Exif

  17. Mysteries of Photography #17: Diffraction

  18. Mysteries of Photography #18: Lenses

  19. Mysteries of Photography #19: Diffraction

  20. Mysteries of Photography #20: Polarised Light

Documents from Major Photography Groups

PSA Guide to Nature Photography (2022). A comprehensive guide to judging Nature competitions and also an excellent guide to which of your images to submit (or not submit) for Nature.

Notes from Tutorials