Nikon 16mm f/2.8D Fisheye" H$ H! x1 M; g" ?' o' H
Field of view (FOV) - horizontal, vertical, diagonal:* j! K" s: B9 P) S4 s G3 f/ I+ [
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°( U' W$ e M1 K
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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* l+ Y4 L6 |8 k0 x5 V: R3 INumber of pictures required for a 360° panorama:
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# f* Y" F8 M1 Z& x: u$ F& ^•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
' K4 Q" W5 f) k) P- [•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
1 U" \/ c0 e F0 V, H _•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z3 a3 j, i) n" P s7 ~+ t
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) |