CIR camera (Camera obscura)

Containing taxa: Cameras

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Red200nm550,510nm650,520nm731nm
Green200nm530nm630nm650nm
Blue200nm  546nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance
Red
Green
  Photopic
Infrared-Yellow
766nm - 701nm - 643nm
 
Red Green Photopic
FarRed-Green
657nm - 607nm - 546nm
 
Red
Green
Blue Photopic

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Notes and References:

Warrant E.J., Nilsson D.-E. (1998) Absorption of White Light in Photoreceptors. Vision Res., Vol. 38, No. 2, pp. 195-207. PII: S0042-6989(97)00151-X

Stavenga D., Smits R.P., Hoenders B.J. (1993) Simple Exponential Functions Describing the Absorbance Bands of Visual Pigment Spectra. Vision Res. 33(8) pp. 1011-1017. doi:10.1016/0042-6989(93)90237-Q



Note: Many species may have gaps in available data, which may be filled in with extrapolations from closely related species. The AVIAN website is copyright © 2011-2024 J. Gagnon. All rights reserved unless otherwise specified.