Nikon 16mm f/2.8D Fisheye
$ t( ^- C* c- U% w, g4 u$ ?! lField of view (FOV) - horizontal, vertical, diagonal:
6 j7 |, [& `2 q9 C
4 ]5 D1 h# D C: K$ E
7 U2 \) V# h( Q•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
" _+ v @* i; S9 b! r2 q. |•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
+ ?1 j1 ?$ N6 Y' w2 Q- e1 D& E
7 k6 s+ P9 Q: m3 }: q4 BNumber of pictures required for a 360° panorama:
* K4 ^: K* g# M/ ?9 z7 y4 y5 g& N U$ [) {9 D
•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
( X7 [6 V. X6 y3 y5 X. ]; b9 R. L' c6 F•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)0 W/ j0 t4 A. A& k0 e3 q2 c6 `
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
2 W: y. T' T! i, h+ P5 A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） |
