Nikon 16mm f/2.8D Fisheye. i7 A7 [$ R! m$ L4 c% i. u! b
Field of view (FOV) - horizontal, vertical, diagonal:0 ~- \" m+ i. F$ m. C0 E
9 B0 _- E, B) `* }
/ W, u0 r" l' C* q9 ?
•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
6 f* ^% }2 i4 V# |! r" A9 M5 m, D•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°. H' {& n. T- Y/ O$ i
( p t9 b$ `* D% A: z( L9 x
Number of pictures required for a 360° panorama:$ G! q8 [' ~, f7 g
$ b% }+ e# J$ S( d g5 C+ Z& D•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)4 m) C/ ]# n$ Q y2 P9 V# O( e
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
9 g9 y- i- N* P•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
* R6 K$ ^, R% k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) |