Nikon 16mm f/2.8D Fisheye# U) ^/ q- k; j# K7 o# L- R! W4 B: |1 r
Field of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
/ ]' \+ Y- O% i; d) O3 {7 g•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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& A. a" `. J7 hNumber 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); n3 `! D) F; k9 f% k9 a, G
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
: J7 A: U9 c( ?•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
) ?: q- L* j, X: o7 ^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) |