Nikon 16mm f/2.8D Fisheye, f1 F2 D4 l; s3 t6 T5 D/ ?
Field of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
( T3 C/ C5 Z$ @0 ]' z' R8 S, _- w- {•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°$ u9 M' E' T4 L
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Number of pictures required for a 360° panorama:) G: o, N6 |! q: T) U
$ m; @8 m" M7 H! f" }/ i•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
/ X: M w' O7 k: F- c•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)$ i+ P t/ R* `
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z- f. Y# }8 J" s) J$ l; [$ A1 E- o% K
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) |