Sidney Ray, Applied Photographic Optics, s. 255–256. Sidney Ray, Applied Photographic Optics, s. 618. R. E. Jacobson, The Manual of Photography, s. 77. R. E. Jacobson, The Manual of Photography, s. 87.
R. Kingslake, A History of the Photographic Lens, s. 35. R. Kingslake, A History of the Photographic Lens, s. 36.
Michael R. Peres (red), Focal Encyclopedia of Photography, s. 3. Michael R. Peres (red), Focal Encyclopedia of Photography, s. 29. Michael R. Peres (red), Focal Encyclopedia of Photography, s. 92. Michael R. Peres (red), Focal Encyclopedia of Photography, s. 132. Michael R. Peres (red), Focal Encyclopedia of Photography, s. 134. Michael R. Peres (red), Focal Encyclopedia of Photography, s. 159.
Bibliografia
Kategoria:Obiektywy fotograficzne Kategoria:Historia fotografii