Nikon 16mm f/2.8D Fisheye1 r2 x# N3 K$ D* p) @
Field of view (FOV) - horizontal, vertical, diagonal:, r* N6 {0 |1 V# _% W' j! S$ O- s
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* M6 n( k+ R5 L( j0 N•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
8 ^- J6 z7 V3 e•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°5 ^, f& h" D: U+ T3 Y/ g
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Number of pictures required for a 360° panorama:
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1 N( a5 i/ e1 g. `, F•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)5 v$ Q/ x3 f5 G4 s3 C' l
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)0 \ T3 i1 S) N4 N5 ^, q
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
5 y5 W8 i0 |* z* \/ D' Q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) |