Nikon 16mm f/2.8D Fisheye8 v% }. H7 g t! G2 \; a; X
Field of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
5 A8 l) I* f) z/ {; K( k4 \•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): k! z) b' F3 L8 `2 f% P, Q
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
! k4 `. d( I7 G( k' P0 p7 K•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z& R! w0 V8 a# X0 e0 h
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) |