Nikon 16mm f/2.8D Fisheye
& N3 f$ ?) _+ M* u5 a- D( kField of view (FOV) - horizontal, vertical, diagonal:! ?3 c8 ?' |8 U6 b. ?% j( v4 \0 B
) F1 V x! t9 P
) ^9 H6 F; f" w: C: z; I•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°4 D+ \1 z U; @4 j: d" ?
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°, w! P6 i6 @, y9 O. u6 N1 X
! z4 W6 f: E! y) R
Number of pictures required for a 360° panorama:
% Z' R4 O5 L A5 U& h+ w- I) Y
$ n7 ?- l3 e% x•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)3 y/ O& M% Y/ H# A9 z b. p `
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
4 N7 s) J: a5 h' J•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
0 A( A8 P7 J, z- k, ^) j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) |