Nikon 16mm f/2.8D Fisheye+ F3 J$ g, g6 w' v' h
Field of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
5 u- O! U, _- |3 w+ Q' _2 ~" A9 s•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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u5 a) f# O# n4 ^9 K6 b2 D4 YNumber 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)
9 ]8 [7 X. Y0 q•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap) j) s0 |7 X0 k/ V
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z9 `* t0 ~7 g5 G2 w( g$ v
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) |