Nikon 16mm f/2.8D Fisheye. O5 s0 r1 k: L# _, @- i& i, [
Field of view (FOV) - horizontal, vertical, diagonal:0 B+ T6 U$ j0 ^+ Y1 j( T- Z- ~
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# L9 Z# M X& [$ s: K•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
# ]/ q) L8 R' x" S( Z0 R1 q•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°' i! N) U) x8 ^- R4 ?$ p
) a9 A# y1 O; L/ D: _: m. U/ `7 H* w% BNumber of pictures required for a 360° panorama:
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- |* e0 X* U% L/ x* {•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
0 x6 j) {% z' q; b8 R•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
$ A0 Y8 R1 s! M1 l8 h- O) \•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
2 {5 P. Z' c$ M5 F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) |