Nikon 16mm f/2.8D Fisheye
5 ~$ Q9 o& w6 u1 g) tField of view (FOV) - horizontal, vertical, diagonal:8 U p9 e0 {7 f6 E; p
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
2 g) ~/ d* p @! O0 v' B5 j•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107° q) i8 S, l) ]) @. w2 w
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Number 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)- |# D4 l+ Y) H1 U
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
. R1 b* E8 T" ?2 W6 I2 ^•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
0 ], e. \' _" s2 w4 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) |