Nikon 16mm f/2.8D Fisheye. [+ ] e8 T. ~
Field of view (FOV) - horizontal, vertical, diagonal:
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: @& Z8 p) e3 x3 p& P5 X+ z•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°' [* P2 E2 t h5 X6 s. z) S
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°7 ~% h; O1 @1 ^5 [& Y
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Number of pictures required for a 360° panorama:& q( m7 H- X* ?- N c) \. ]
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•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
( H5 g' V2 ~: t+ [8 Q/ m4 p4 X•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
6 z1 u$ I' D: T1 p' {( ~/ c& s; p•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z3 P X3 Y, Q' s; z$ }5 Z$ g
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) |