Nikon 16mm f/2.8D Fisheye5 g2 g2 c' {" e" o9 P9 x: C
Field of view (FOV) - horizontal, vertical, diagonal:
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! [' W) O9 e; A1 n•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
3 C2 ^7 S7 K) s: H' `+ b•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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! C8 t9 n0 v8 V0 c8 Y+ QNumber of pictures required for a 360° panorama:1 m' I/ w$ [ B4 M& L
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•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)% ?3 O/ _& T. i
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
, z; S0 q9 O5 t H. l8 Q•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
# J' R; f& l! R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) |