Nikon 16mm f/2.8D Fisheye
+ ~1 g% i) ]: N" \. J: X0 O5 xField of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°" v/ H) m, s0 Y# [
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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6 a# w- P0 R6 n6 PNumber of pictures required for a 360° panorama:! K5 h6 P1 p( r
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•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)( h# P$ D; Y7 b7 Q) p- A* D) b
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)+ E$ X' \( T& Y
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z/ W8 e5 s) y. f) O
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) |