Nikon 16mm f/2.8D Fisheye
& @, ]( _ D% ^0 M4 p# [Field of view (FOV) - horizontal, vertical, diagonal:
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$ p: @) S, |1 t0 n$ l•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°4 g# R3 X- A* }: g. l$ M8 j5 h
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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+ V R) G' u. R- K* wNumber of pictures required for a 360° panorama:
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$ z0 L7 [4 Q* \* y1 b9 w% |•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap). A2 t y6 z7 c8 i; Q) y
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)- {' n3 u7 X. V
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
% |; W) I7 ~% M& @2 x7 Q& y8 f% g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) |