Nikon 16mm f/2.8D Fisheye. \; z; R% h% N9 u! M2 H
Field of view (FOV) - horizontal, vertical, diagonal:; J5 H! Z9 ]; p1 h1 k* V
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°; P6 P3 }* J+ F+ C. O9 Q- Z( l4 R
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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Number of pictures required for a 360° panorama:
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•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
) _& A$ j' i1 ^5 y# {: U0 u•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
( k9 g2 Y5 j$ W•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z0 B9 q t" W& `8 A- L5 K2 _
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) |