Nikon 16mm f/2.8D Fisheye
7 e: M. r; n z( e4 g! B# @Field of view (FOV) - horizontal, vertical, diagonal:
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°5 Q' r6 [- E1 F( q b# r
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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3 x/ {0 f1 M8 M! J7 {Number of pictures required for a 360° panorama:2 i! ]* k* t- }% K
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•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)* K3 X" Q( r3 [+ O" F& p
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)5 X" X3 z: H- Q9 A1 R% U4 Y1 }- g) s; n
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
9 |$ U1 G9 P$ ^* R- x: A: 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) |