Light Correction of Blue and Red Lights using Spherical Lens

| View Cart ⇗ | Info

“Showing a system with chromatic difference of spherical aberration. O” ₌ image of O for red light; O’” for blue. The system is under—corrected for red, and over—corrected for blue rays.” —Encyclopaedia Britannica, 1910

Source

Encyclopaedia Britannica (11th ed., vol. 18) (New York, NY: The Encyclopaedia Britannica Company, 1910)

Downloads

TIFF (full resolution)

2400×758, 177.2 KiB

Large GIF

1024×323, 26.9 KiB

Medium GIF

640×202, 15.0 KiB

Small GIF

320×101, 6.3 KiB