Nikon 16mm f/2.8D Fisheye
, k. L i0 b: G5 bField of view (FOV) - horizontal, vertical, diagonal:8 l- k' k2 x$ p" v/ p
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°$ |. M" l" E; V6 N
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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Number of pictures required for a 360° panorama:5 M, ?* k0 a, W5 e- j% Q
2 m0 g& z: w2 w•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
% E4 d6 n* l" N) n9 I: y; y0 H( W& d•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
/ k$ {7 E, e, O5 t( k1 D2 g+ r•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z, B& Y: `5 l( o- ^1 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) |