Nikon 16mm f/2.8D Fisheye
" x: o V: Q8 ?4 k, V( xField of view (FOV) - horizontal, vertical, diagonal:
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5 i7 o* i* k# e \) F, c5 L•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°7 K: `9 V4 _: w
•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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6 a7 N: k# b; X" X0 Y) X•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)# s- o8 [4 `# K2 u3 ~" @1 S/ @
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
3 h6 |. ]% N% m•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z. J( J3 W& L+ Y# o; P
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) |