Nikon 16mm f/2.8D Fisheye! [3 T) c9 U% H% e# h: s
Field of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
$ p5 g; G% P9 N•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°) H4 X( q9 |$ R+ Q& L2 W
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Number of pictures required for a 360° panorama:6 [" t0 _% P% E- c5 Q7 d
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•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)5 _2 ^* Q7 B2 p/ u/ ]" U, q
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)+ `$ t( }/ i- E7 [
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
8 B" H3 e0 ]- P2 j; w8 d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) |