• johnnyoptic - Home Page
• Tilt Lenses (For Sale)
• DIY Optics (Tutorials)
  • Homemade Lens Primer
  • What's all the Fuzz About?
  • Measuring Focal Length, Aperture and F-stop
  • The Monocle
  • Homemade Telephoto Lenses
  • Replicating the Rodenstock Imagon
  • Homemade lenses and Digital Infrared Photography
• Image Gallery
• Who is johnnyoptic?

Test Results

The image on the right was shot with the "Mr. X" disk (two slits crossing to form an "X").