Nikon 16mm f/2.8D Fisheye* m, s# T/ J2 p" o2 B0 q0 a
Field of view (FOV) - horizontal, vertical, diagonal:! R1 z* Z9 j- w" S2 e3 C
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
' R( A2 q( v- p2 r& [•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°/ \, D$ Y6 \* p; G# g0 w2 ]
4 n7 z l: w" ^: R. fNumber of pictures required for a 360° panorama:$ n0 d- w3 q2 X/ |$ t! w
" K- n6 \. Z2 |9 k•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
2 l4 e, Y( g, D6 B. G•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)6 U6 v9 v. V; k* E/ f3 H
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z4 }! a0 Y) h' x* ^: M
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) |