Nikon 16mm f/2.8D Fisheye/ q9 J* v! z1 N# L2 P2 z( U5 W
Field of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°' X2 P+ {# p6 D
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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! |$ f+ N4 u% s% K$ M' z- u; b8 bNumber 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)( a2 ^ \- w/ j
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
j2 }' C: }) ]' h4 L# Y# x$ f- j•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
3 J9 h- r: ?+ f# c* S4 C7 u8 T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) |