Nikon 16mm f/2.8D Fisheye
7 I/ f9 ?* t- S" d. ]Field of view (FOV) - horizontal, vertical, diagonal:0 m* c0 \$ ~4 S v8 E0 ~# T, p) D
$ y c, P% e; p$ {. N2 P7 _5 r- V( u6 K* Z1 Q
•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°4 h" ?0 U8 K, f. {
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°1 x: K$ v+ a( v
9 a6 U% ?; q, T9 iNumber of pictures required for a 360° panorama:. Y t3 t" x8 C# _$ ]$ @* B0 Y6 [) N
) V- b: K8 F( v% V" i1 L: T
•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
A6 g8 R( K" z w7 |! C•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap): p+ H7 e1 [: l. U8 Y* m, [9 \
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
! P! l, T/ ?! P5 H0 b* Q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) |