Canon, Nikkor, Samyang

Canon, Nikkor, Samyang (a.k.a. Bower, Falcon, Polar, Vivitar…), Sigma, Tokina (a.k.a. Pentax, Samsung)
Fisheye lenses (+ one standard super-wide ++ a speculated Canon Zoom) image Radial Mapping
25
20
15
Distance from center ( mm) mesured on the captured image of a cylindrical target
(EOS 5D) Beware: Misalignment of view finder Vs lens axis and Vs Sensor are uncorrected
10
5
0
-150
-105
-60
-15
30
75
120
-5
-10
-15
-20
Sigma 8mm f3,5
Sigma 8mm f4,0
Nikkor 10,5mm f2,8
Tokina 10-17@10mm
Tokina 10-17@11mm
Tokina 10-17@12mm
Tokina 10-17@13mm
Tokina 10-17@14mm
Tokina 10-17@15mm
Tokina 10-17@16mm
Tokina 10-17@17mm
Canon 15mm
Zeiss 16mm
Samyang 8mm
Samyang rectilinear 14mm
Canon Zoom 8-15mm
Poly. (Canon Angle
Zoom 8-15mm)
depuis l'axe optique
-25(en degrés) dans l'espace objet