Nikon 16mm f/2.8D Fisheye1 e$ V7 x* U; `1 i& `* N
Field of view (FOV) - horizontal, vertical, diagonal:
Y: l0 ^7 w( K& {: @! ?, D& Y; W7 p- R" z Q6 ]0 y
@5 ?) p/ S9 x4 X; _$ d
•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°: u& T; ?3 r' C6 J3 c% o7 O
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°6 |1 F, c# ]& L& J5 W
, k: D7 b5 V( j' gNumber of pictures required for a 360° panorama:
: e4 m% ~ n1 c: B1 N. m9 B$ Y, P9 Z, R) {
•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
/ e) L2 s7 J0 Q1 ?" p9 U•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
: M: x4 U' U+ C: R8 t•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
, ^4 \) _, {3 ? @歪把子后,对角线170度上扬5-10度,然后补地面。(根据计算,没有亲自实践仅供参考) |